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Property - Acquisitions - 902 00 Naranja Town Site (State Land Parcel Purchase) 2 of 2 Files
GEOPHYSICAL REPORT STATE LAND TRUST PROJECT ORO VALLEY, ARIZONA 1,11{ NotortiiiE NM16 SURVEY for THE TOWN OF ORO VALLEY Issue date: April 17, 2000 Zonge Job# 0004 Zonge Engineering & Research Organization, Inc. 3322 East Fort Lowell Road, Tucson, AZ 85716 USA Tel(520) 327-5501 Fax(520) 325-1588 Email zonge @zonge.com State Trust Land Project page 1 GEOPHYSICAL REPORT EM-61 SURVEY STATE LAND TRUST PROJECT ORO VALLEY, ARIZONA PROJECT SUMMARY. On February 15, 20 � �,, 00 n::.:. "" Eng ineern. ;nd Research Organization, Inc. conducted nd uc to d an Land Trust Project survey on the State Area in Oro Valley at the request of Chuck Sweet. The crew consisted of Bart Black and Marlowe Seavey. The purpose of the survey was presence to verifythe or absence of any trenches containing drums or underground storage tanks (USTs). Data acquisition began on February 15 and was completed on the February 19. A line spacing of feet was used on this project with stations acquired approximately every 0.65 feet along the 25 survey lines. FieldEquipment:E ui ment: The EM-61 system is a modified transient electromagnetic (TEM) survey type technique. This t e of survey involves transmitting a 50% duty cycle, time domain, square wave q signal into an ungrounded loop of wire. This square wave signal alternates between positive, zero, negative, and zero voltages, and this cycle repeats 75 times per second. The measurements are made when the transmitter is off, i.e., when the transmitter voltage is zero. During these times, decaying magnetic fields from subsurface conductors can be measured. In the EM-61 system, Y g these magnetic fields are detected with two horizontal ungrounded loops of wire. The measurements are made at fixed times after the background earth response has decayed, but while decaying secondary fields from strong conductors (such as metallic objects) are still detectable. By measuring the magnetic fields during the "off" periods, the EM-61 typically has a State Trust Land Project page 2 muchreater depth of investigation than normal frequency-domain metal detection systems. The g p instrument itself consists of one transmitter loop and two receiver loops mounted on the coil assembly.. Measurements of both the top and bottom loop are recorded and displayed by the integrated data logger. DATA PRESENTATION Data arepresented in one plan view plot of the bottom loop data. Contouring was done on a log y axes plotted scalewith the x- in feet. By plotting the data on a logarithmic scale the very small features are not lost, while the large anomalies are not over-powered by too much detail. Background noise is plotted in green, small anomalies are shown in yellow, and large anomalies g la ed in browns and reds. Every fifth station are displayed is posted on the plots. y .... DISCUSSION OF THE DATA PLOTS Numerous weak, isolated features are evident in the data, but this is expected at a site of shallow mining activity which involved heavy equipment. Metallic parts, such as bolts, connectors, etc. from machineryare often found in the shallow soil at sites like this, and will cause weak, isolated anomalies. The results in the different areas in this project were generally as expected: areas that contained buildings and machinery such as Grid C showed a substantially larger number of anomalies than areas that appear to have been holding ponds, such as Grids B and F. Most significant anomalous features in this data set can be correlated with visible surface features, or can be associated with known or suspected utilities. Field crew notes are included on the plan viewp identifying lots identif in anomalies that have an obvious surface source. Most unexplained anomalies arephY Y sicall smaller and weaker in amplitude than anomalies expected from an underground storage tank or from a trench containing multiple drums. Onlytwo of the unexplained anomalous areas exhibit amplitudes and physical sizes that may p indicate e larg metallic targets; however, these two anomalies both occur on Grid C, near the former asphalt plant. The proximity to the buildings and machinery suggests that these anomalies p are probably robabl not the result of drums in trenches. One anomaly is located on Line 350, centered State Trust Land Project page 3 approximately at station —320, and the other is located on Line 325 centered at approximately pp Y station —255. The area referred to as "Grid H" in the "stockpile boulders" area was covered by a continuous path of readings between the boulders. The data for this area are presented in profile form, instead of as a plan view map. As a result, it is not possible to interpret some of the high readings that were recorded, since it is not possible to determine the actual size of the anomalies. In the event that the boulders are moved at some time in the future, we recommend that additional data be acquired in this area to determine the actual physical size of the anomalies. The areas referred to as Grids I and J were intended to investigate an apparent trench in historical photographs.hoto hs. These data are also shown as profile plots due to the limited number of lines and p short line length. No significant features are evident in this area.; For comparison purposessample data` set is included`from an underground storage tank a recent) discovered at a site ipn Tucson using an EM-61 system. The example includes a plan view which has been colored using the same scale as the plots in this report, in addition to a profile plot of the data for Line 0 of that project. Values over the tank range as high as 1500 millivolts to as low as 600 millivolts, though the interpretation is complicated by a re-enforced curb and as yet unknown tank edge location. SUMMARY On the basis of the data acquired and the data density, it is unlikely that a trench containing numerous buried drums or an underground storage tank is present on the property in the areas surveyed. As noted above, there are two anomalies in Grid C which may merit further investigation, although these may be explained simply through further historical research. An increased line density would provide more assurance that no significant targets were missed between the lines, but the history of the site may not justify the added expense of a denser data set. Cris Mauldin Mayerle Norman R. 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Research tCorporation 1 I I I I F Tracer Research Cor p o r at ion r v� Vapor Trace®Shallow Soil Gas Survey Town of Oro Valley Naranja State Land Site October 10, 2000 Prepared for: Town of Oro Valley 11,000 N. La Canda Drive Oro Valley, AZ 85737 Telephone: (520)229-4710 Facsimile: (520) 229-4724 Prepared by: Tracer Research Corporation 3755 North Business Center Drive Tucson, Arizona 85705 Telephone: (520) 888-9400 Facsimile: (520) 293-1306 Submitted by: JLAAA*4.4. Ai/ Lawrence W. Schenmeyer Tracer Research C or p or a t i on 1.0 VAPOR TRACE® SHALLOW SOIL GAS SURVEY 1 1.1 Objective 1 2.0 SITE DESCRIPTION 2 3.0 SOIL GAS SAMPLING METHODOLOGY 2 4.0 ANALYTICAL METHODOLOGY2 4.1 Chromatographic System 3 4.2 Analyses 4 5.0 QUALITY ASSURANCE AND QUALITY CONTROL 4 5.1 Soil Gas Sampling Quality Assurance 5 5.2 Analytical Quality Assurance Samples 6 6.0 RESULTS 7 APPENDIX A. SOIL GAS ANALYSIS RESULTS 8 APPENDIX B. COMPLETE ANALYTICAL DATA & LOGBOOK 9 1.0 Vapor Traced Shallow Soil Gas Survey Tracer Research Corporation(Tracer Research)performed a Vapor Trace® shallow soil gas investigation at the Naranja State Land Site, in Oro Valley, Arizona. The investigation was conducted on October 9 and 10, 2000 for the Town of Oro Valley, Arizona. 1.1 Objective The purpose of the investigation was to determine the extent of possible soil and/or groundwater contamination by screening the shallow soil gas for the presence of volatile organic compounds(VOCs). Soil gas samples were collected and analyzed for the following analyte class and compounds: Analyte Class:HALOGENATED HYDROCARBONS (HALOCARBONS) 1,2-dichloroethane (1,2-DCA) Trans 1,2-dichloroethene(T 1,2-DCE) Cis 1,2-dichloroethene (C 1,2-DCE) Trichloroethene(TCE) Tetrachloroethene(PCE) Analyte Class:HYDROCARBONS benzene toluene ethylbenzene xylenes total volatile hydrocarbons October 10,2000 1 30651-000.S • MIN Tracer Research I C or p or a t i on 2.0 Site Description For this investigation, 15 soil gas samples were collected from 15 sampling locations. Soil gas samples were collected at a depth of 2.5 to 15 feet below ground surface (bgs). Samples were collected through soil cover. 3.0 Soil Gas Sampling Methodology Custom fabricated 3-foot flights of 1 1/2-inch outer diameter(OD) drill steel were assembled and pushed and/or pounded to a depth of 3 to 5 feet with the hydraulic system. Once at the desired depth a post-run adapter was attached to clean 1/4-inch OD polyethylene tubing and lowered inside of the drill steel. The tubing was rotated to thread the post-run adapter into the point holder on the downhole end of the probe. An 0-ring at the top of the post-run adapter threads ensures an airtight seal with the point holder. The aboveground end of the polyethylene tubing was attached to an evacuation pump for sampling. Samples were collected in a glass syringe by inserting a syringe needle through a short silicone rubber segment connecting the tubing to the evacuation pump. The soil gas flow was checked prior to sampling with a vacuum gauge. The vacuum was monitored by a vacuum gauge to ensure an adequate gas flow from the vadose zone. Vacuum readings less than 2 inches of mercury(in Hg)below pump maximum indicate sufficient soil permeability and porosity for sampling. The volume of air within the polyethylene tubing was purged by evacuating 2 to 3 tubing volumes of soil gas. The evacuation time in seconds versus the vacuum in inches of mercury was used to calculate the necessary evacuation time. The vacuum in inches Hg was recorded as each sampling location. Soil gas vacuums ranged from 2 inches Hg. The maximum pump vacuum was 22 inches Hg. 4.0 Analytical Methodology During this investigation,up to 10 milliliters (mL) of soil gas were collected for each sample and immediately analyzed in the Tracer Research analytical van. Subsamples (replicates) from these samples were injected into the gas chromatograph(GC) in volumes of 1 to 1000 microliters (µL) depending on the VOC concentrations in the sample. Analytical instruments were calibrated at the beginning of the investigation using fresh working standards made from National Institute of Sciences and Technology(NIST) traceable standards and reagent blanked solvents. October 10,2000 2 30651-000.S • Tracer Research Cor p o r a t i o n 4.1 Chromatographic System A Hewlett-Packard 5890 gas chromatograph(GC), equipped with an electron capture detector(ECD), flame ionization detector(FID),.and two computing integrators were used for sample analysis. Chlorinated hydrocarbons and hydrocarbons were separated in the GC on a 60 meter AT-624 capillary column. The column was operated in a temperature-controlled oven. Nitrogen was used as the carrier gas. The instrument calibrations were checked periodically throughout the day to monitor the response factors and retention times. The following paragraphs explain the GC, ECD and FID processes. GC Process The sample is injected into the GC where it is swept through the analytical column by the carrier gas. The detector senses the presence of a component different from the carrier gas and converts that information to an electrical signal. The components of the sample pass through the column at different rates, according to their individual properties, and are detected by the detector. Compounds are identified by the time it takes them to pass through the column(retention time). ECD Process The ECD captures low energy thermal electrons that have been ionized by beta particles. The flow of these captured electrons into an electrode produces a small current, which is collected and measured. When the halogen atoms (from halocarbons) are introduced into the detector, electrons that would otherwise be collected at the electrode are captured by the sample, resulting in decreased current. The current causes the computing integrator to record a peak on a chromatogram. The area of the peak is compared to the peak generated by a known standard to determine the concentration of the analyte. FID Process The FID utilizes a flame produced by the combustion of hydrogen and air. When a component, which has been separated on the GC analytical column, is introduced into the flame, a large increase in ions occurs. A collector with a polarizing voltage is applied near the flame and the ions are attracted and produce a current, which is proportional to the amount of the sample compound in the flame. The electrical current causes the computing integrator to record a peak on a chromatogram. By measuring the area of the peak and comparing that area to the integrator response of a known aqueous standard, the concentration of the analyte in the sample is determined. October 10,2000 3 30651-000.S Tracer Research C o r p o r a t i o n 4.2 Analyses The detection limits for target compounds depend on the sensitivity of the detector to the individual compound as well as the volume of the sample injection. The detection limits of the target compounds were calculated from the response factor, the sample injection size, and the estimated minimum peak size (area) observed under the conditions of the analyses. If any compound was not detected in an analysis, the detection limit is given as a"less than" value, e.g., <0.1 µg/L for benzene. TABLE 1. DETECTION LIMITS FOR TARGET COMPOUNDS roximate Detection Limit A App ik,'.fo::`t:}':{/}4<Yw�. S fPI'{{%+t.••.}/f)tC'4;'..`:''v?:v\:i\v.v#'•l'hiv�'r 'i> : { 0.9 1 .he.: .11.1,01iEps, 1 in kX {lend: 1 vs SC E�vfC§PP: FrS..%i.::s,..`?'Y7i.}.Sx'.C.,x.. F:;Y,"i.:•:,..:,:'j:•:'k{:o'?::n':. 0.5 • 0.2 } ..}Y 0.1 { 0.002 • 0.001• p 5.0 Quality Assurance and Quality Control Tracer Research's Quality Assurance (QA) and QualityControl (QC) ro ram was program followed to maintain data that was reproducible throw h the investigation. An overview p g g presenting the significant aspects of this program is presented on the following pages. p p October 10,2000 4 30651-000.S Tracer Research C o r p o r at ion 5.1 Soil Gas Sampling Quality Assurance To ensure consistent collection of samples,the following procedures are performed. Sampling System The soil gas sampling system is made up of the point holder(which holds the sampling point during emplacement), the post-run adapter that screws into it, and 1/4-inch polyethylene tubing. The point holder and post-run adapter are washed and baked after each use. Drill steel does not come in contact with the sample and is cleaned as necessary for regular maintenance. Clean polyethylene tubing is used for each sample and discarded after sampling. The polyethylene tubing is securely attached to the post-run adapter via a hose barb. The post-run adapter screws into the point holder at the base of the probe and is sealed with an 0-ring. The upper end of the polyethylene tubing is connected to the evacuation pump with a silicone rubber tubing septum that permits syringe sampling. The entire system is tested at the start of each sampling day to verify system integrity. Sampling Probes With the post run sampling system for soil gas, only the point holder and post-run adapter come in contact with the sample and require decontamination. The drill steel itself is isolated from the sample by clean polyethylene tubing and does not come in contact with the sample. The drill steel is steam cleaned at the end of the day as part of the regular maintenance schedule. Glass Syringes Glass syringes are used for only one sample a day and are washed and baked out at night. If they must be used twice,they are,purged with carrier gas(nitrogen) and baked out between probe samplings. Sampling Efficiency Soil gas pumping is monitored by a vacuum gauge and flow meter to ensure that an adequate flow of gas from the soil is maintained. October 10,2000 5 30651-000.5 Tracer Research C o r p o r a t i o n 5.2 Analytical Quality Assurance Samples Quality assurance samples are performed at the minimum frequencies listed in Table 2. The actual frequency depends on the number of samples analyzed each day and the length of time of the survey. TABLE 2. QUALITY ASSURANCE SAMPLES S e re uenc ren �► amp�ls 3 per day or 1 per site al tical Meths Baps 1 per day ont nu ng C 1 r' tion C ec 10% (1 every 10 samples) Fief S ite is 1 per day ea ent. lan 1 per set of working standards li. ,lca.t+ 'a ..les . : 10% of all sam les The ambient air samples are obtained on site by sampling the air immediately outside the mobile analytical van and directly injecting it into the GC. Analytical method blanks are taken to demonstrate that the analytical instrumentation is not contaminated. These are performed by injecting carrier gas (nitrogen) into the GC with the sampling syringe. Subsampling syringes are also checked in this fashion. Continuing calibration checks are analyzed to verify the detector response for the target VOCs. If the response changes by more than twenty-five percent,the gas chromatograph is recalibrated and new response factors are calculated. A reagent blank is performed to ensure the solvent used to dilute the stock standards is not contaminated. Analytical instruments are calibrated daily using fresh working standards made from National Institute of Sciences and Technology traceable standards and reagent blanked solvents. Quantitative precision is assured by replicating analysis of ten percent of the samples. Replicate analyses are performed by subsampling vapors from the same sampling syringe. The injector port septa through which samples are injected into the GC are replaced daily to prevent possible gas leaks from the chromatographic column. All sampling and October 10,2000 6 30651-000.S Tracer Research 1 Cor p o r a t ion I subsampling syringes are decontaminated after use and are not used again until they have __ been washed in anionic detergent and baked at 90°C. 6.0 Results An overview of the analytical results is shown on Table 3. The analytical results from this soil gas investigation are provided in Appendix A. The data are presented by location and by analyte concentration. When the compound was not detected, the detection limit .. is presented as a "less than" value, e.g., <0.1 µg/L. r ii. TABLE 3. SUMMARY OF SOIL GAS ANALYTICAL RESULTS E ,;.„,;„,,,,,;„:„:„,,,,.,,,.:„,,,,„,„,„,„„,..,,:.;,,,,„:„.,„:„:„,„:„,„:„,„;,..,::„..,.;,...„.:;,,,.„,,:;;„,;„..,„„:!,:,,.,,:,„,,„ Number of samples 3 .iikpigotipig >>'t.°{( <r:=' in Low concentration 3 High concentration Sam le s with 311111110,*10010,0 ' :iii:.t:' L g `which com ound� p � (,ug/L) (,ug/L) i high concentration 111111,11,11:iiihingoii„i;„0„,W., detected ��nt�x�� � K :: _____..." '••. .• 0 �• ND .� _ NA �wNA • Toluene. ( 0 ..a.,...... _.� NA.______..___ NA __._�._ . _. ____ ! '''''-E--t—h--y-117)--e—T—rizeintelli!:. ______O___ ':..1....._'.'..._''''":.... N. .I) •.....: ,,...:. NA Tt. i NA ..:. ,- ...,.. -,,_,_,.,: ,,..': Xylenes . 0 ND NA •NA TVII ;t 0ND NA I,NA T.1,2-- �'L� 0 NU NA NA C...1.,2 71) 0 ND ND N .. ,2 SCAj__.___o____,,LL_;.._APLL., ....::,___________.__.tND NA .. :,;.::'-. TCI+, • 1 ND 0.03 SG-10-10-15' P E 6 0.004 1 SG-10-10-15' ND=non detect NA=not applicable October 10,2000 7 30651-000.S Tracer Research Cor p o r a t i o n APPENDIX A. Soil Gas Analysis Results Tracer Research C or p or a t i on ..........,... Client/Site: Naranja State Land/Town of Oro Valley Date: 10/09/2000 Analyst: L Schenmeyer Job Number: 30661-000.S C-1,2,DCE T-1,2 DCE 1,2 DCA TCE PCE BENZENE SAMPLE Lig& , ,pg/L pg/L iug/L pg/L pg/L. , AIR BLANK <0.2 <0.5 <0.1 <0.002 <0.0009 <0.7 SG-10-1-5' <0.2 <0.5 <0.1 <0.002 0.004 <0.7 SG-10-2-5' <0.2 <0.5 <0.1 <0.002 <0.0009 <0.7 SG-10-3-5" <0.2 <0.5 <0.1 <0.002 <0.0009 <0.7 SG.10-4-2.5' <0.2 <0.5 <0.1 <0.002 <0.0009 <0.7 Final Data 1 10/10/2000 Tracer Research Cor p o r a t i o n Naranja State Land/Town of Oro Valley Date: 10/09/2000 Analyst: L Schenmeyer Job Number: 30661-000.S ETHYL TOLUENE BENZENE XYLENES TVHC(C4-C9) SAMPLE pgiL pg/L pg/L pg/L AIR BLANK <0.9 <1 <1 <1 SG-10-1,5' <0.9 <1 <1 <1 SG-10-2-5' <0.9 <1 <1 <1 SG-10-3-5' <0.9 <1 <1 <1 SG-104-2.5' <0.9 <1 <1 <1 Final Data 2 10/10/2000 Tracer Research Cor p o r at ion11 Client/Site: Naranja State Land/Town of Oro Valley _ pate: 10/1012000 Analyst: L Schenmeyer Job Number: 30661-000.5 • C-1,2, INCE T-1,2 DCE 1,2 DCA TCE PCE BENZENE SAMPLE pg/L pgIL vig/L _ pg11. _ pgIL . pgIL AIR BLANK <0.2 <0.5 <0.1 <0.002 <0.0009 <0.7 S0-10-5-5' <0.2 <0.5 <0.1 <0.002 <0.0009 <0.7 SG-10-5-10' <0.2 <0.5 <0.1 <0.002 <0.0009 <0.7 SG-10-7-10' <0.2 <0.5 <0.1 <0.002 0.005 <0.7 SG-10-9-15' <0.2 <0.5 <0.1 <0.002 0.07 <0.7 50-10-10-15' <0.2 <0.5 <q.1 0.03 1 <0.7 SG-10-11-15' <0.2 <0.5 <0.1 <0.002 0.02 <0.7 SG-10-12-15' <0.2 <0.5 <0.1 <0.002 <0.0009 <0.7 SG-10-13-15' <0.2 <0.5 <0.1 <0.002 <0.0009 <0.7 SG-10-14-11' <0.2 <0.5 <0.1 <0.002 <0.0009 <0.7 SG-10-15-9' <0.2 <0.5 <0.1 <0.002 <0.0009 <0.7 SG-10-8-5' <0.2 <0.5 <0.1 <0.002 0.002 <0.7 AIR BLANK <0.2 <0.5 <0.1 <0.002 <0.0009 <0.7 Final Data 1 10/10/2000 Tracer Research C o r p o r a t ion Client/Site: Naranja State Land/Town of Oro Valley / Date: 10/10/2000 Analyst; L Schenmeyer Job Number: 30651,000.S ETHYL TOLUENE BENZENE XYLENES TVHC(C4-C9) SAMPLE pgIL pgli. tigIL pgIL AIR BLANK <0.9 <1 <1 <1 SG-10-5-5' <0.9 <1 <1 <1 SG-10-640' <0.9 <1 <1 <1 SG-10-7-10' <0.9 <1 <1 <1 SG-10-9-15' <0.9 <1 <1 <1 SG-1040-15' <0.9 <1 <1 <1 SG-1041-15' <0.9 <1 <1 <1 SG-10-12-15' <0.9 <1 <1 <1 SG-1043-15' <0.9 <1 <1 <1 SG-10-1441' <0.9 <1 <1 <1 SG-10-15-9' <0.9 <1 <1 <1 SG-10-8-5' <0.9 <1 <1 <1 AIR BLANK <0.9 <1 <1 <1 Final Data 2 10/10/2000 Tracer Research C o r p o r a t i o n I APPENDIX B. 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I C C E C C .t Tracer Research Corporation 3855 North Business Center Drive Tucson, Arizona 35705 (602) 888-900 I SOTL GAS LAG BOOK Job Number: 36 ( 5 f ' D 00. .5 Client: .Tdwn et- Ord uci /Ley Site: f 5Ta7� 'Lai c/ Location: Or Dates Worked: / v � G d /0 /a LooO Book #, ( 5 of JOB SL1MAJy TOTAL NUMBER COLLECTED SOIL GAS SAi"VLPLES I 5 TOTAL, NUMBER COLLECTED WATER SAM2LES DEPTH OF S HALLO WEST SAMPLE COLLECTED DEPTH OF DEEPEST SAMPLE COLLECTED 15 TOTAL NUMBER POINTS USED ao TOTAL NUMBER 7'LENGTHS OF PROBES USED /v Di2�1� HIGHEST SAMPLING VACUUM L 0 WEST SAMPLING VACUUM MAXIMUM VACUUM OF PUMP NOTES or INTEREST /) /0/2000- o N s/fP�/f,�.,zd fioafbcii/ny Afiaffi 6 /644 2)Nieheov- NoQiv/%-i9,0iace 3: 40c.,1/40,1/ e ve jcc, f7J5 /9// ,645-0 p (.° 5 ec-Pril 1r..:z.....al cmb.,uo. Project No. //1/' / UTILITY NOTIFICATION AND RELEASE AGREEMENT This Agreement by and between Tracer Research Corporation,an Arizona corporation(herinafter "TRC") and hereinafter"Client")is for the purpose of setting forth the responsibility of Client as it relates to on the subject property which is located at 1. Client Responsibilities: Client shall be responsible • functions: po for performance of the following a. Locating and marking subsurface utilities. b. Obtaining any necessary utility clearances. 2. Indemnification. Client herebyreleases TRC and agreesindemnify to indemnify and hold TRC harmless from any and all liability, damage and/or responsibility for any of the following: ng: a. Damage or destruction to subsurface utilities, i elines or other p subsurface structures or systems; b. Environmental damage or pollution of everykind and description; c. escriptlon; Acts of third parties; d. Liability to any third party. Client further promises and guarantees to TRC that should it be • named as a party to a lawsuit by any party for any reason arising out of or dealingwithsubject the subs ect matter of this Agreement, or should it be held liable with respect to anytransaction of • any nature whatsoever connected with the subject matter of this Agreement, Client will at all times indemnify and save TRC harmless damages,and against any and all liabilityfor dama es to ss, costs,charges and expenses of whatsoever kind or nature. DATED: • TRACER RESEARCH CORPORATION CLIENT By: :BY• Title: Title: SOIL GAS INVESTIGATION BACKGROUND INFORMATION b Number: Van Number: /y 3 0 6 Sl —Gov- S Plate Number: ,r/4 te Name: Location: Algl'")._ 5747-e La, Parc& ( Ofd Va /'-e y iTZ rtes Of Investigation: t OA /D 0 / /o /R7/Zoci ) l feat Name and Address: Field Representative(s)For Client: Timm of ata Vu (Ie/ Cf7�uc/� s�vtCfi-' !l ooa AI Ca 4 J, r Oro U.. ioneNumba: 2q _ lJ -710 meson To Whom Report And Questions Should Be Directed: C b'vc )C Svy zone Number: 5 2.0 - ,2 2.q - L!?10 Fax Number: 520 - „2,2 Gj- U 7 2,4y REW: 4a./1 rewLeader: — Sc y_9, Field Assistant: /4 NO C eport To Include(CHECK ONE): / Additional information to be included in report at client's request 27.1 QA/QC-Procedures-Data Only —1 Full Report With Contour Maps and Interpretation VO arpose Of Investigation: s/ se.s3 wi e..1,r o f Kir►^-7` L.ftvt a(.. Fo ►z 191-rdi 4 s e irget VOCs: C-ix D c G PC F L—13r.,z D,st Client'1012. •, n of target c's verification: 1.). DC E 115042...04.2. 19 4.49 TCL Tow+�. �� is MI r�- C roundwater Information(if available): epth To Water: ,UIQ l Direction of flow: I )URGES OF CONTAMINATION: ?c5S/4 Jt. 5!71-e_ i'L co c t PLA1-cP Co.41. 2010gic Setting(e.g.soil type,subsurface geology,etc.): Are-Tr ve moi / 5071ds / ' ii ' .1S xr Research Corporation SITE M DRAW SPIE MAPS TO SCALE and include: • Job number • Client • Site name and location • Scale,both bar and inch equivalent • North arrow(approximate) • Soil gas locations and numbers • Cultural and natural features to identify the site . IF MAPS ARE SUPPLED BY CLIENT, CHECK FOR ACCURACY AND CLARITY AND ENCLOSE. MAP(S)HAVE BEEN CHECKED FOR COMPLETENESS AND ACCURACY: Signature of Field Assistant Traces Ramada Corporation 1t T "J V O as ', vi • O - _.... -- -..______ _- __ - _ _ w.: -__.- _ -____-. V z • _ _._ _ _--.._ __. _ _. -_ . • _. __ _.__.. _ ____ _ _______________ �, a� . . --_ _ • . -. - W U Q y 0 rn . _ __ . . _. _. . _ ._ . _ z-.-',,,lg •z 0 • .r...rte--_--........ --_._ -._. . -....__--_ --- . _....-...___ _.- -. .• ....___ __ r4k...-_ .__._ _-.__- -_-.-...r-....-►_..._-"_----_•_-_..._ -_ter._ +-•.... .-..._ w.._..y.._.r•--' ` I .- . _ _. ___..__ ._ _-.. +.rte-_...._.. -...._•_•_-_i-.1��_�..._. __ _. _ . __. ...._.___ loir-J ii .__ _____________,______ _ ____________ _ __ __ ____ _________ _______..____________. ._.__________.____. ._ ._ .0 • ] ..... ______ _. It , - . : o ‘-: _-___..::. : I.___- -_-__--___:____- - 111 --_ ____•_ ______.. - -_..-. • ____._ - _____________ _..____._._ . ...-___._- .-____• _ -____ _._- _ U .0 - — _-- - - - _._._._�_-.- --- -___--_. _.__� ..w {y ; .....a _-• --- -.,. - - ... _..___. - -- - --; U 0 0 U .a m - • _ ___ gi 40 - . ; ❑ ❑ ❑ za o d a _._ ________ ::: td ,,,,,...... A .,A _ - - _ . N2 7:9 to .4 .4 P. Q a C) A. E . U .. O ` - _ _ -• _ _ o z c3 z . 0 ❑ ❑ ❑ E o 4, _ o E--. Cil i la • C I ___;________________________ ____;_________________________ • ! L) 0 ! �: _ — _ gyo -'-'0 z z u •• ii - fi. 0 ti a 0 ........ l1 -r_- ..-.. - - - ! - , * l 1 i 0 II — 1 -.J 4 --________ 4 ; , _______ ________ , . . 1 : o _ _ i i I , I i A 1 4__________.4_1_12,„______ . f I f , T t - ----L- i _ - { . _ 11 o _ 1 i . . + CQ 1,-. m o) o 1 `r_�_..._....___�_ -+ .- _-- . - - .�-�,. '---------'_..�.`-�' y_-►_-'- --._�._.r._---. rte• _ _ l --•-_- _'_'-"'' 13 di - ---- —--t --- - --- - �— - - - _-. - _ M it ____._ _ _ _____:-.-7_____ ___________ e D4 ..- - - . . ... -.-.. _ 1 L. L. ____ _____ i DAILY SUMMARY CLIENT: JOB NUMBER: fo/q �� i6W� ao,o cia//7 3 IC S boa( FIELD HOURS Time on Site: 0 $- Q� Lunch Hours Time off Site: Downtime Hours' 10:00 Standby Hours2 Client's signature verifying time E - on and offsite: Billable Hours(office use only): NOTE: REPORT TIME TO NEAREST O.tS HOURS DECONTAMINATION Probe Decontamination Syringe Decontamination Total Hours: 0- S Total Hours: G,5- Signature Signature of verification y GC Operator: Signature of verification by Field Assistant: ictweriv Af./ )1•27.44 M SAMPLING AND ANALYSIS Calibration Sampling Analysis AIM a Time Start: Vacuum used(Check one): Total System Blanks: 06 .0a �. Transducer Time End: 67:o0 Max Vacuum: ?,2„. (in Hg) Total Ambient Air Samples: t Total Hours: Probes Used: pRi Total Analytical Blanks: p Points Used: 5 Total Water Blanks: r • 01*—5.i.e. Soil Gas � Water Samples Collected: 0 Samples Collected: Downtime includes time spent repairing sampling&analytical equipment;note times and explanation on following field data pages Standby includes time available for sampling but waiting for client;note times and explanation on following field data pages IMP •t.oer ae.eum Corporation SAMPLING DATA Date: I. /0 Job Number 5,65g Location: Client: rd 11,( 7/7 Tow,\ 6/— Op Ufily List Rental or Extra Equipment use on this Date: TIME SAMPLE D P P V E SP NOTES/ADD'L DATA REQUESTED BY CLIENT NUMBER E. A VA ilski 0 This inties,coalattioisas,notasliptirtd, tos ciescrisZionap of samre,lines loocatirs, on andjenbrs TB B U C PN proceduns and nistetials,etc. HE E U L T PUSH/ M E S FT # POUND (is TIME VOL USED (s) (cc) • I 'I o„„. 1- , DriLL 5—feet a3 ° 10- 5/ S (P /5 IC 7 G-Tex‹. 7s-Av,a. 5 f-vakit sbr - 5so 10-s z e , 10 1• f 5rThAP-- I A5 bNi3wQ 15Z 10'2 Yz. Z'573 z`.12 31) ,(AAnvQ.cl_ bo.-t (e-(44-/Pi4e-7y-7- AT'ittre (#4/<P Perudv.o/fil/tdili /46 to/Y4606-4 ,wv.)cc-6 V , • I • 'Ps ••• SAMPLING DATA Job Number ation: Climb Rental or Extra Equipment use on this Date: IE SAMPLE D P P V E SP NOTES/ADM DATA REQUESTED BY CLIENT NUMBER E R R A V A 0 This Includes,bat is not limited to: description of samplingloon and general area, P 0 0 C A MI ground conditions,asphalt,concrete,soil appearance,odors,atimon,bac till T B B U C PN procedures and materials,etc H E PUSH/ M E S F'T # POUND (to TIME VOL USED H�) (s) (cc) 4I • • • • • c r ` i � 1 r ' � NOTES Date I Clien t: I Job Number: L t . I• DAILY SUMMARY CLIENT: JOB NUMBER: /CV/Oh opo 7-61a/V of oeo V4// y 3Off/-a o o s 4ZBER. C/a td,,v y /C °0/ 08.00 5 FIELD HOURS Time on Site: C)gO Z1 Lunch Hours Time off Site: Downtime Hours' / A '3 3 Standby Hours2 Client's signature verifying e on and offsite: Billable Hours(office use only): NOTE: REPORT'lIl4tE TO NEAREST 0.25 HOURS DECONTAMINATION Probe Decontamination Syringe Decontamination Total Hours: � Total Hours: ,,5 Signature of verification by GC Operator: Signature of verification by Field Assistant "6:-/-7L ade-a(Pia-dloar SAMPLING AND ANALYSIS Calibration Sampling Analysis rune Start: • Vacuum used(Check one): Total System Blanks: O$°° Diaphram Transducer Time End: 0900 Max Vacuum:7_2, (in Hg) Total Ambient Air Samples: 3 Total Hours: Probes Used:• ��� ,Total Analytical Blanks:. ' Points Used: S Total Water Blanks: Soil Gas I \ Water Samples Collected: 0 Samples Collected: )owntime includes time spent repairing sampling&analytical equipment;note times and explanation on following field data pages itandby includes time available for sampling but waiting for client;note times and explanation on following field data pages mow A.srreb Corporation SAMPLING DATA Dat /V16/2000 Job Number 3 ) ( 5CSOO,S Location: Client: 041 Vei/ey_,, iZ . 70W/if 0/4"-oed Vi,-/7 List Rental or Extra Equipment use on this Date: TIME SAMPLE D P P V E S P NOTES/ADD'L DATA NUMBER E R bt A V A O This iad �U��BY�r odea,bat is nd limited to: deseriptlon o[sampling loodon and;eaaal s a P O C A M I �oond cosdltlma,asphalt,ooaaete,soil appearaooe,odor,re�etatloo,badder] TB B U C PN procedures and materials,dc. HE E U L T pusxi M E S FT / POUND (m TIME VOL USED NO (s) (¢) ■ C��b i3t\< �t � Nit 4 Z- ZS /0 W45)/s'T� 6/rr4 K U x,-S'� � rt•►1 �fi4�e�- � u.ncGircy - g26 10—C 5tut � Z { ' LlOs 1 I Ggfr �veSAi►c�llco bbl C° Ve2 -- - Jgff5 to'lb 10� `C t b Z 15s $ I s PrkA.L.Pis it$sv . iJ rC--fc rev-i- tSC 1t±ve(1. S N55 :7.710-1 ics` '' ,o Z2- t ry 8' ) 561-2,,e- Atkrtic.�/��s RA,4_81a8lay s�q; , ,� I - -fo-16 15 /fi. 5 Zb C7 i ,,m-....t__. its itec\re-_, 5"D- ' I-,lot, a -10-15 15 15 L LO 6. ( 5A-A.&2. ins 693U'2. ji 54.'1V. f 1 I Iti s'qo 45 t5 (16' q orb 7 1 . s h-m2. As . Ak3a-V ) hILO _ID_15' )5' '' 1 5 3 Lo 7 I 5ii-i,q__ f1/4-s taiSab\f\23 i Y9-13- , 1 z°5 -P--i5/ )6 C� /5 L a I 5tiwkr_A-5 643 a \ig.. . //,v Sic,-kt-k- e •PPk\' I ( to-- 1V‘ 11 /1 )-' 3° q r 14"- ''''‘iA61--/Cel-t-t -tkA 1\ `255 ; a� q, `�o � � o q 1 \-VtA& RIALAx. Fecti5A 0, • Re.f4,-A.1 dim& Gk. - -er 130D 5-(-10-135--) ,%(' 4 7 7 5 5 7-11,". 5 (1/47\6\J Mai . le N9-- • I , , . ; ,-, . Tracer Research i C o r p o r a t i on I , , , , , , - , - , , , , , , , ; , , : , , , , , , „ i Tracer Research Corporation appreciates the opportunity of being of service to your organization. Because we are constantly striving to improve our service to you, we welcome any comments or suggestions you may have about how we can be more responsive to the needs of your organization. If you have any questions about the fieldwork, analytical results, or this report, please call Lawrence W. Schenmeyer at 520-888-9400. I . . . .. I • . . I I ' , I , , , , , , , , . 1 i_ Tracer Research C o r p o r a t i on M Vapor Trace®Shallow Soil Gas Survey I for Town of Oro Valley Naranja State Land Site October 10, 2000 I w 41/ $40 itt r AN t 1411W ENVIRONMENTAL ENGINEERING CONSULTANTS, INC. MEMORANDUM TO: Mayor and Town Council Members FROM: Chuck Sweet, Town Manager DATE: November 8, 1999 SUBJ: Phase I Environmental Site Assessment - State Land Parcel Attached is the Phase I Environmental Assessment Report for the 170+ State Land parcel on Naranja Road recently completed by Environmental Engineering Consultants, Inc. This report was contracted for in order to prepare the Town for possibly bidding on this state land parcel in April of 2000. The findings of the Phase I Environmental Site Assessment Report indicate there is no evidence of recognizable environmental contamination, with the exception of some existing asphalt debris and miscellaneous construction debris that was present at the time of the site visit. The report does reflect the remedial work that took place in 1994 and 1996 when Calmat Industries excavated petroleum-contaminated soil and included this material in the asphalt used for paving. In order to move forward on this project, I would like to discuss the attached report with the Town Council in a study session in the near future. The report recommends that a limited Phase II inventory be conducted on the subject property using a magnetic survey to eliminate the possibility of buried tanks or other metallic objects. Between now and a future study session, I will attempt to determine the actual costs of performing a magnetic survey as recommended in the report. I look forward to •iscussing the attached report with you in the near future. 11 i IIILAILL. /1.111rd ./ Chuck Swe- Town Manager c: Kathi Cuvelier, Town Clerk Dan Dudley, Town Attorney David Hook, Water Utility Director Bill Jansen, Town Engineer Ainsley Reeder, Parks & Recreation Administrator Brent Sinclair, Community Development Director PHASE I ENVIRONMENTAL SITE ASSESSMENT: 170.62 ACRES OF STATE- OWNED LAND IN THE EAST HALF OF SECTION 2, TOWNSHIP 12 SOUTH, RANGE 13 EAST, GILA AND SALT RIVER BASELINE AND MERIDIAN, ORO VALLEY, AZ 85737 (PIMA COUNTY Prepared For: ASSESSOR'S PARCEL 224-03-169F) TOWN OF ORO VALLEY 11000 NORTH LA CANADA DRIVE ORO VALLEY, AZ 85737 Telephone: (520) 297-2591 Facsimile: (520) 544-3830 fir _ GEo;- //c-J\ c06\ / o \ 26042 j EEC PROJECT NO.99079 SYLVIA H ROSS 4 % OCTOBER 29, 1999 " g_ -A, U'r r0„> Prepared by: KEVIN A.PIERCE and SYLVIA H.ROSS ENGINEERING and ENVIRONMENTAL CONSULTANTS,INC. 4625 E.FORT LOWELL ROAD, SUITE 200 TUCSON,AZ 85712 PHONE: (520)321-4625 FAX: (520)321-0333 CONTENTS SECTION PAGE EXECUTIVE SUMMARY iii Findings iii Recommendations iv Documentation iv 1.0 INTRODUCTION 1 1.1 Purpose 1 1.2 Scope of Services 2 1.3 Assignment and EEC Staffing 3 2.0 SITE DESCRIPTION 3 2.1 Site and Area Characteristics 4 2.1.1 Description of the Subject Property 4 2.1.2 Past Uses of the Subject Property 5 2.1.3 Current and Past Uses of Adjacent Properties 7 2.2 Physical Setting of the Property 7 2.2.1 Topography and Surface Drainage 7 2.2.2 Geology 8 2.2.3 Groundwater 8 3.0 REGULATORY REVIEW 9 3.1 Federal Environmental Records 9 3.2 State Environmental Records 10 3.3 Pima County Department of Environmental Quality 12 3.3.1 Petroleum-Contaminated Soils 12 3.3.2 Air Quality Violations 12 3.3.3 Miscellaneous Records 13 4.0 SITE RECONNAISSANCE,INTERVIEW,AND REVIEW OF POTENTIAL HAZARDS 13 4.1 Hazardous Substances and Containers 14 4.2 Polychlorinated Biphenyls (PCBs) 14 4.3 Pits, Sumps, Dry Wells, Catchbasins and Drainageways 15 4.4 Aboveground and Underground Storage Tanks 15 4.5 Water Wells 15 4.6 Surface Stains and Indications of Solid Waste Disposal 16 5.0 ENVIRONMENTAL INQUIRY NOT INCLUDED IN ASTM PRACTICE E 1527-97 16 6.0 FINDINGS AND RECOMMENDATIONS 17 6.1 Findings 17 62. Recommendations 18 CONTENTS SECTION (Continued) PAGE 7.0 LIMITATIONS 19 8.0 REFERENCES CITED 20 APPENDICES A: FIGURES A-1. Location and Topographic Map A-1 A-2. Parcel Location Maps A-2 A-2. Aerial Photograph-June 15, 1953 A-3 A-3. Aerial Photograph-February 23, 1960 A-4 A-4. Aerial Photograph- August 19, 1967 A-5 A-5. Aerial Photograph- April 20, 1998 A-6 B: SITE PHOTOGRAPHS B-1. Looking west at the property across the central pit area B-1 B-2. Looking southwest at the property across the central pit area B-1 B-3. Basin along east boundary B-2 B-4. Abandoned concrete slab near central pit B-2 B-5. Asphalt debris near north entrance B-3 B-6. Miscellaneous construction debris B-3 B-7. Shredded wood debris on east ridge B-4 B-8. Looking east across the central pit area at wood debris, transformer B-4 C: HISTORICAL TITLE REPORT C-1 D: ENVIRONMENTAL DATABASE D-1 E: WATER WELL RECORDS E-1 F: SELECTED PIMA COUNTY DEQ RECORDS Fl Remediation Documentation, 1994 Release of Petroleum Product F1-1 F2 1994 Inspection Report and Citation Documentation F2-1 F3 1995 Inspection Report F3-1 F4 1998 Inspection Report F4-1 FS Notice of Transfer of Permit to Sunward Materials F5-1 F6 1999 Inspection Report F6-1 G: COMPLETED ENVIRONMENTAL QUESTIONNAIRE F-1 H: EEC STAFF RESUMES H-1 Privileged and Confidential Engineering and Environmental Consultants, Inc. ii Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half Sec. 2, T12S, R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 EXECUTIVE SUMMARY Engineering and Environmental Consultants, Inc. (EEC) has performed a Phase I Environmental Site Assessment in general conformance with the scope and limitations of the American Society for Testing and Materials (ASTM) Practice E 1527-97 for a parcel of land in the East half of Section 2, Township 12 South, Range 13 East, Gila and Salt River Base and Meridian, Oro Valley, AZ 85737 (Figure A-1, Appendix A). The subject property, consisting of 170.62 acres (according to Assessor's records), is within the town limits of Oro Valley, Arizona, and is further identified as Pima County Assessor's Parcel No. 224-03-169F (Figure A-2). The property is owned by the state of Arizona. The site was most recently occupied by CalMat of Arizona (CalMat), a sand and gravel extraction company that also used the site for an asphalt mixing plant during some of the company's period of use. The street address for the operations was 800 West Naranja Road, although some of the permits also had addresses of 600 West Naranja Road, and 800 West Tangerine Road.. FINDINGS This assessment has revealed no evidence of recognized environmental conditions, as defined under ASTM E 1527-97, in connection with the property, with the following exceptions: • CalMat had not completely finished "restoring" the property at the time of the site visit. Furthermore, at the time of preparation of this report, CalMat had not yet completed a report on the company's closure activities. According to a representative of the Arizona State Land Department, the company has 45 days following closure to submit a final report on closure activities. • At the time of the site visit, the property contained several piles of debris, including asphalt debris and miscellaneous construction debris. The occupant was in the process of removing some of the piles; these materials are not considered hazardous. • The site operation had an air quality permit from the Pima County Department of Environmental Quality (PCDEQ). That entity is also responsible for solid-waste issues, including oversight of spills of regulated (but not necessarily hazardous) solid wastes, such as oil and diesel. In 1964, CalMat was cited for several infractions of air quality permit requirements. The issues were resolved and the case was closed. • In addition, in 1994, there was one release of petroleum product. The site was partially excavated and the petroleum-contaminated soil (PCS) was placed on plastic sheeting and covered with additional plastic sheeting. In 1996, the rest of the Privileged and Confidential Engineering and Environmental Consultants, Inc. 111 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85 73 7 contaminated area, which had been beneath a tank, was excavated. The contaminated soil, under a plan approved by PCDEQ, was incorporated into asphalt and used for paving. • There are four registered water wells on the subject property, according to the Arizona Department of Water Resources; all wells are in the same 10 acres. Owners are listed as R.E. Miller Paving (two wells) and the State of Arizona (two wells). These wells were not located at the time of the site visit because of limited access. RECOMMENDATIONS Although this Phase I ESA did not find any indication of hazardous, or special waste materials that would affect the use of the property, EEC makes the following recommendations for follow-up investigation or action items: • The town of Oro Valley should obtain and review the site closure report when it becomes available from the Arizona State Land Department. After reviewing that report, a decision should be made as to whether to implement a limited Phase II investigation to determine if any buried materials remain. Because of the large area of the site, EEC recommends that any initial limited Phase II study should be a magnetic survey to look for buried tanks or other metallic objects. The area of concern should be only those areas actually excavated during the life of the operations. • A new site visit should be made to determine if any of the asphalt and other material remains on site after "official closure." Although inert debris is not hazardous, EEC recommends that any residuals be removed and disposed of in a landfill that accepts non-hazardous construction debris. • EEC recommends that wells be either registered in the new owner's name, or abandoned following regulations of the Arizona Department of Water Resources. DOCUMENTATION The evaluation was completed on the basis of a review of aerial photographs (Appendix A); a site visit by Kevin A Pierce of EEC, on August 12, 1999, at which time the photographs in Appendix B were made; review of the historical title report, showing the history of leases (Appendix C); review of federal and state environmental databases (Appendix D), including one for water wells (Appendix E); and review of available Pima County Department of Environmental Quality records (Appendix F). A questionnaire was completed on September 9, by Mr. Gary Slusher of the Arizona State Land Department (Appendix G). Privileged and Confidential Engineering and Environmental Consultants, Inc. iv Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half,Sec. 2, T125,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85 73 7 An environmental questionnaire was also sent to Mr. Andy Siersma of CalMat Company of Arizona, the most recent occupant of the property. Mr. Siersma stated in a telephone conversation with EEC on September 7, 1999,that he was advised by his company not to return the questionnaire to EEC, and that a closure report for the site would be sent to the State Land Department within 2 to 3 weeks. As of this time, the closure report has not been made available to EEC. Following submittal of a draft copy of this report to the town of Oro Valley, in September 1999, Oro Valley provided EEC with a copy of report in the town files, concerning the initial excavation of the PCS in 1994. The report, which is missing the cover and table of contents, but is all that was available to Oro Valley, is a preliminary report, desribing the partial excavation. A later report, written after full excavation, was found in the files of the PCDEQ. Because of the lengths of the reports, they are cited, but are not included in this report. Resumes of the Engineering and Environmental Consultants, Inc. staff that completed this Phase I ESA are in Appendix G. References cited, alphabetically by author and date, are listed in Section 7.0. Privileged and Confidential Engineering and Environmental Consultants, Inc. v Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half,Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 1.0 INTRODUCTION Engineering and Environmental Consultants, Inc. (EEC), has prepared this Environmental Site Assessment for 170.62 acres of land within the town limits of Oro Valley, Arizona. The property, owned by the state of Arizona, is identified as Pima County Assessor's Parcel Number 224-03-169F. The property is north of Naranja Road, in the eastern half of Section 2, Township 12 South, Range 13 East, Gila and Salt River Base and Meridian, Oro Valley, Arizona(Figures A-1 and A-2, Appendix A). Operations on the property used the address of 800 West Naranja Road, although addresses of .600 West Naranja Road and 800 West Tangerine Road were also found in the records. 1.1 PURPOSE This report is designed to address the appropriate provisions of the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) innocent landowner defense and applicable state regulations. The objective of this ESA is, using appropriate inquiry, to identify recognized environmental conditions. As stated in ASTM Standard E 1527-97, the term "recognized environmental conditions" means: . . . the presence or likely presence of any hazardous substances or petroleum products on a property under conditions that indicate an existing release, a past release, or a material threat of a release of any hazardous substances or petroleum products into structures on the property or into the ground, groundwater, or surface water of the property. The term is not intended to include de minimis conditions that generally do not present a material risk of harm to public health or the environment and that generally would not be the subject of an enforcement action if brought to the attention of appropriate governmental agencies. This Phase I ESA develops an information base regarding the potential of hazardous substance contamination on the subject site. Hazardous substances as used herein shall refer to hazardous substances, hazardous materials, or toxic substances defined in CERCLA, as amended by the Superfund Amendments and Reauthorization Act (SARA) Privileged and Confidential Engineering and Environmental Consultants, Inc. Page 1 Phase 1 Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land in the E half,Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 of 1986 (Public Law 99-499); the Hazardous Materials Transportation Act, 49 United States Code, Section 1801 et seq.; the Toxic Substance Control Act, 15 U.S.C. Section 2601 et seq.; the Resource Conservation and Recovery Act (RCRA), as amended, 42 U.S.C. Section 6901 et seq.; and in the rules or regulations adopted and guidelines promulgated pursuant to said laws. The purposes of this ESA include: • Identifying the presence or likely presence of an environmental condition that may trigger an environmental liability on, restrict the use of, or affect the marketability or value of, the property; • Identifying any immediate risk to the public health or safety or the environment; and • Identifying the need for additional testing to confirm and evaluate the scope, location, source, and nature of any environmental condition. 1.2 SCOPE OF SERVICES The scope of services, following EEC's proposal to the Town of Oro Valley and the general practice of ASTM E 1527-97, is as follows: • Obtain and review reasonably ascertainable public information concerning environmental conditions at the subject property and surrounding sites. This information includes, but is not limited to federal, state, and local records to identify regulated hazardous waste sites and recorded hazardous site conditions reported by government agencies. • Obtain and review available aerial photographs to determine the historic development of the subject property and adjoining properties. Enlarge key photographs to an appropriate scale and include them in the final report. • Perform a visual reconnaissance of the property and all accessible facilities and improvements on the property to discover the presence of contamination, such as, but Privileged and Confidential Engineering and Environmental Consultants, Inc. Page 2 Phase 1 Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 not limited to chemical use, storage, treatment, disposal practices, suspect asbestos containing materials, and wildcat dumping. • Conduct an interview with a knowledgeable person or persons (if available) to obtain additional historical information concerning the property. • Review any previous Phase I or other environmental reports provided to us by the Town of Oro Valley. • Obtain and review the historical title from at least 1940, or as early as possible. • Prepare and submit two bound and one unbound copy of the report to document the findings of the Phase I ESA; this report will include a photographic log, the historic title, the environmental database report, and any other pertinent information that we discover during the Phase I investigation. A professional engineer or geologist, licensed to practice in Arizona will seal the report. 1.3 ASSIGNMENT AND EEC STAFFING This Phase I Environmental Site Assessment report has been prepared by EEC on behalf of, and for the exclusive use of, the Town of Oro Valley and its employees and agents. The evaluation and report was completed by Kevin A Pierce and Sylvia H. Ross, R.G., under the direction of J. Chuck Hollingsworth, P.E. and president of EEC. Resumes for these professionals are in Appendix G. 2.0 SITE DESCRIPTION The property, as shown on Pima County Assessor's listings, consists of 170.62 acres, elongated in a north-south direction, with frontage on Naranja Drive (Figure A-2, Appendix A). A map, obtained from the state Land Department, shows the property as consisting of 170.00 acres, with an embedded 6.00-acre parcel; this map is also shown on Figure A-2). The site is in an area that is a mix of residential and vacant land. Privileged and Confidential Engineering and Environmental Consultants, Inc. Page 3 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half,Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85 73 7 2.1 SITE AND AREA CHARACTERISTICS Less than half of the property were used for materials mining and processing (sand and gravel, and perhaps asphalt mixing.) and is not vegetated due to excavation and grading; this estimate is made on the basis of the aerial photographs on Figures A-5 and A-6, Appendix A. In the northern portion of the property, extraction occurred to the east property boundary. The north, south, and west margins of the property support native vegetation. 2.1.1 Description of the Subject Property Most of the site has been recently graded, and most of the structures have been removed from the site since it was last operated as a sand and gravel facility (Photographs B-1 and B-2, Appendix B). Structures remaining on the property at the time of the site visit included a portion of a lined basin (Photograph B-3), a concrete slab (Photograph B-4), a boulder stockpile, and a travel trailer. Areas of asphalt debris (Photograph B-5), construction debris (Photograph B-6), and wood debris (Photograph B-7) were still present on the property at the time of the site visit. The more prominent of these features have also been marked on Figure A-6, Appendix A, the 1998 aerial photograph of the site. At the time of the site visit, the excavation pits had been graded smooth and most of the materials formerly stockpiled on-site had been removed (Photographs B-1 and B-2). Boulders were still stockpiled along the western boundary of the property and a large pile of asphalt debris was located along the southern boundary (Photograph B-5). One front- end loader was observed loading asphalt debris onto trucks, which were transporting it off-site. No permanent structures were observed on the property. In some locations, concrete slabs remained where structures were previously located (Photograph B-4, Appendix B). A travel trailer and a camper mounted on a pick-up truck were also located in this area., which apparently was the "headquarters area" for operations on the property since the 1970s. A watchman was residing in the trailer and/or camper. Privileged and Confidential Engineering and Environmental Consultants, Inc. Page 4 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half,Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 A large quantity of shredded wood debris mixed with soil was observed in the central area of the property (Photograph B-8, Appendix B). Shredded wood debris with almost no soil was observed adjacent to the roadway on the ridgeline along eastern boundary of the parcel (Photograph B-7). The origin and purpose of the shredded wood in unknown, however it is possible that it was used for on-site dust control. 2.1.2 Past Uses of the Subject Property The property, owned by the state of Arizona, has been leased for sand and gravel extraction facility from 1962 through this year. In addition, the parcel supported a stationary asphalt mixing plant during most of the 1990s. The parcel was used actively for materials mining and processing for much of the last 37 years. The parcel was also leased for grazing from February 1954 through 1982 (Appendix C). Prior to leasing, the parcel was undeveloped desert land. Aerial photographs of the region, dating from 1953 through 1998, were reviewed at Cooper Aerial Survey, Tucson, Arizona. Four of these photographs, those taken in 1960, 1973, 1988, and 1998, were enlarged to a scale of 1 inch equals approximately 400 feet. The April 4, 1960, aerial photograph (Figure A-3, Appendix A) shows the area as completely undeveloped. No structures, roads, or other signs of human impact are visible in the photograph. A south-flowing wash is near the west side of the property, with tributaries entering the main wash from the east. The December 21, 1973, aerial photograph (Figure A-4) shows that excavation has begun and approximately a quarter of the property has been disturbed. A covered structure, what appears to be an office trailer, a concrete slab, and several unidentified features are visible in the southern area near the western boundary of the property. Trucks and heavy equipment can be seen throughout the area, and a linear piece of equipment, possibly soil screening equipment, is located in the central portion of the property. Two areas appear to be basins that may hold water. No adjacent property shows any development in this photograph. Unpaved roadways allow access to the property from both the north and Privileged and Confidential Engineering and Environmental Consultants, Inc. Page 5 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85 73 7 south. Naranja Drive, which was unpaved at the time of this photograph, is visible on the south boundary of the parcel. The July 15, 1988, aerial photograph (Figure A-5, Appendix A) shows approximately 50 percent of the parcel has undergone excavation. Three to five structures are visible in the central western boundary area where structures were identified in the previous photograph. Two other structures are visible in the central eastern boundary area. As with the previous photograph, trucks and heavy equipment can be seen throughout the area. The soil screening and sorting operation has been expanded in the central excavation area, with several sorting lines in operation. Four areas appear to be basins to contain water. One basin in the west central portion of the property appears to contain water at the time the photograph was taken; it is unclear if the other basins contain water or not. Copper Creek Elementary School has been constructed west of the parcel. Naranja Drive has been paved and streets south of Naranja Drive are visible. The March 31, 1998, aerial photograph (Figure A-6) shows that excavation has expended to the northern boundary of the property. The same three structures shown in the previous photograph are still located near the central western boundary. The structures that were previously in the central eastern boundary area have been removed. The soil screening and sorting operation now consists of only one sorting line, and trucks and equipment are concentrated in this area. The apparent remains of two basins are visible in the eastern and southern portions of the property and five rectangular, east-west trending excavations are visible in the north central portion of the property. Housing developments have been built north of Copper Creek Elementary School, along the entire eastern boundary of the parcel, and south of Naranj a Drive. The chain-of-title (Appendix C) has 11 entries for leases, beginning in 1954, which is the date of the first grazing lease on the property. The first commercial lease, dated November 26, 1962, to Oro Rock and Sand, Inc. marks the beginning of mineral extraction. No voluntary environmental mitigation use restrictions (VEMURs) or environmental liens were found in the record. Privileged and Confidential Engineering and Environmental Consultants,Inc. Page 6 Phase 1 Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land,in the E half,Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 2.1.3 Current and Past Uses of Adjacent Properties The past and present uses of parcels that are immediately adjacent to the subject property are as follows: North: Native, undeveloped land, followed by Tangerine Road. East: (Southern two-thirds) Monterra Vista Drive, followed by single-family homes, and (Northern one-third) single-family homes and lots along Pyramid Point Drive. South Naranja Drive followed by single-family homes. West: (Southern two-thirds) undeveloped land, followed by single-family homes; (north-central area) Copper Creek Elementary School; and (northern corner) single-family residential property. None of the neighboring properties have high-risk environmental uses or are listed in the database of federal or state environmental sites. 2.2 PHYSICAL SETTING OF THE PROPERTY The physical setting description consists of information on topography and drainage, geology, and groundwater. The information was obtained from both record documents and the site visit. 2.2.1 Topography and Surface Drainage Elevations range from approximately 2680 feet at the southwest corner of the property, where the wash exits, to more than 2,800 feet at the center of the north boundary. Elevations are above mean sea level (MSL), National Geodetic Vertical Datum of 1929. Elevation information was derived from the U.S. Geological Survey (USGS) 7.5-minute series topographic map entitled Oro Valley, Ariz. (1981), which has a 40-foot contour Privileged and Confidential Engineering and Environmental Consultants,Inc. Page 7 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half,Sec. 2, T125,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 interval, with supplemental contours at 20 feet. The map was constructed using aerial photographs taken in 1975; thus the map shows the sand and gravel operation at about the mid-point in its existence. The topographic map is presented as Figure A-1, Appendix A. The property is slightly more than a mile north of the Canada Del Oro. A south flowing dry wash, on the west side of the property, flows to the Canada Del Oro, which in turn flows to the Santa Cruz River to the west. 2.2.2 Geology The property is in the Tucson basin, which is located in the Sonoran Section of the Basin and Range Physiographic Province (Arizona Bureau of Mines, 1969; and Fenneman, 1931). The Basin and Range Province is characterized by elongated mountain ranges, trending to the northwest, which are separated by broad alluvial valleys. Tucson Basin deposits are derived from the weathering of these local mountains, with deposition into large alluvial fan complexes (Davidson, 1973). The basin contains alluvial soils from a few feet thick near the mountains to over 20,000 feet thick in parts of the valley (Anderson, 1987). Alluvial soils are highly variable and range from sand, gravel, and cobbles to silts and clays. In some areas, deposits of moderately cemented sandy clay and clayey sand (caliche) are encountered, often having the characteristics of soft rock. On-site superficial soils are silty sands with gravel and cobbles. 2.2.3 Groundwater The site is within the Tucson Active Management Area. In this area, the principal water- bearing units are the Pantano Formation, the Tinaja Beds, and the Fort Lowell Formation. According to Davidson (1973), the property is within the boundaries of the Tucson basin alluvial aquifer. Groundwater data provided by the Arizona Department of Water Resources (ADWR) and Tucson Water (1998) indicate the depth to groundwater is between 300 and 400 feet; Privileged and Confidential Engineering and Environmental Consultants, Inc. Page 8 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half Sec. 2, T125,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 depths increase toward the northwest corner of the property. ADWR lists four water wells on the property, all in the same 10 acres. (page E-4, Appendix E). The ADWR well registry dated January 7, 1997, lists the depth to water in two of these wells at 352 and 365 feet at the time they were drilled (1965 and 1986). The direction of regional groundwater movement is to the southwest, parallel to the Canada del Oro (Tucson Water, 1998). 3.0 REGULATORY REVIEW Regulatory evaluation consists of a review of federal and state environmental permits and compliance records. Records were researched using a database search produced by All Lands Title (Appendix D). 3.1 FEDERAL ENVIRONMENTAL RECORDS Federal records reviewed under the protocol of ASTM E 1527-97 include the following: • Under Section 105 of the Comprehensive Environmental Response, Compensation of Liability Act (CERCLA), the Environmental Protection Agency (EPA) has listed sites or facilities currently eligible for federal funds for study and/or remediation of assessed contamination. These sites are considered Superfund sites and are listed on the National Priority Lists (NPL). The site is not listed as a Superfund site or on the NPL and no Superfund sites are located within 1.0 mile of the site. The site is not listed as a Federal CERCLA site and none are listed within 0.5 mile of the site. • The Resources Conservation and Recovery Act (RCRA) list is an EPA maintained database of facilities in the U.S. that have obtained an EPA number. The EPA number is required for facilities that generate hazardous wastes (large and small), transport hazardous wastes, or treat, store and dispose hazardous wastes (TSD facilities). The documents were reviewed to determine if the site or neighboring properties are RCRA sites. No RCRA TSD facilities were identified on the subject property or within a 0.5-mile radius of the property boundary. No RCRA TSD facilities with Privileged and Confidential Engineering and Environmental Consultants, Inc. Page 9 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half,Sec. 2, T12S, R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 corrective action against them by EPA were found within 1.0 mile. No RCRA generators were identified on the subject property or on adjoining properties. • The Emergency Response Notification System (ERNS) is a national computer database system that is used to store information on the sudden and/or accidental release of hazardous substances and petroleum into the environment. The ERNS database contains information on specific releases, spill location, substance released, and responsible parties. This list was reviewed for the 0.125-mile radius from the edges of the property. No ERNS records were identified for the subject property or nearby properties. 3.2 STATE ENVIRONMENTAL RECORDS State records reviewed under the protocol of ASTM E 1527-97 include the following items: Water Quality Assurance Revolving Fund (WQARF), Arizona CERCLA, underground storage tanks, leaking underground storage tanks operating and closed landfills, aquifer protection and other permits, and dry well registrations. • Since 1981, the Arizona Department of Health Services (ADHS) and its successor, the Arizona Department of Environmental Quality (ADEQ) have surveyed the state's groundwater and public drinking water supplies to determine the location and extent of groundwater contamination. The State of Arizona has established the WQARF program to perform investigations and conduct remedial action activities at sites which may have actual or potential impact upon waters of the State caused by hazardous substances. The WQARF program allows the State to identify the extent and impact of the contamination and to identify parties that are potentially responsible for contamination remediation of the site. The property is not located in a WQARF site, and no WQARF sites are located within 1 mile of the subject property. • The Arizona CERCLA Information and Data System (ACIDS) List is a database of locations subject to investigation for release, or threat of release of hazardous substances under Federal CERCLA and the State WQARF programs. Inclusion of a site on the ACIDS list does not imply that the location is contaminated, is causing Privileged and Confidential Engineering and Environmental Consultants, Inc. Page 10 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land,in the E half,Sec. 2, T125, R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 contamination or is in violation of State or Federal Statutes and Regulations, only that the site is subject to investigation. The property is not listed as an ACIDS site and no ACIDS sites are located within 0.5 mile of the site. • The review of the state Underground Storage Tank (UST) list indicates no facilities within 0.125 mile of the boundaries of the site. • Review of the state Leaking Underground Storage Tank (LUST) list indicates no LUST facilities within 1/2 mile of the boundaries of the property. • The ADEQ Office of Waste Programs' directories were reviewed for information regarding the presence of landfills and waste dumps in the proximity of the site. These directories are the Arizona Directory of Municipal Solid Waste Landfills and Rubbish Landfills and the Directory of Arizona Closed Solid Waste Landfills and Closed Solid Waste Dumps. No operating landfills or waste dumps are located on- site or within 0.5 mile of the site. No registered closed landfills are located within 0.5-mile of the site. No indication of "wildcat" dumping was seen during the site visit or on the aerial photographs. • Aquifer protection permits (APPs) are required by ADEQ for any type of facility that J might pollute the groundwater. The subject property was not on the APP list. There were also no surface water discharge permits, or wastewater reuse permits. • ADEQ requires registration of dry wells that are used to accept runoff or other water for disposal. The subject property was not on the dry well list. • Facilities handling more than 1,000 kilograms of hazardous substances or more than 1 kilogram of extremely hazardous substances annually are required to report those substances and the amounts, under SARA Title III regulations. No such facilities were listed within 1.0 mile of any of the subject properties. Privileged and Confidential Engineering and Environmental Consultants, Inc. Page 11 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 3.3 PIMA COUNTY DEPARTMENT OF ENVIRONMENTAL QUALITY EEC staff reviewed Pima County Department of Environmental Quality (PCDEQ) records at that agency's office. Because of the large number of records, some of which are duplicate information, not all of the information is included as Appendices to this report. For instance, annual inspection reports for 1994 and 1995 are included because there were violations of air quality or solid waste regulations. Reports 1996 and 1997 are not included because there were no notices of violations. However, the two most recent inspections are included to show that there have been no violations in the most recent years. 3.3.1 Petroleum-Contaminated Soils In response to a 1994 Notice of Violation from Pima County, CalMat excavated 650 cubic yards (975 tons) of burner oil and diesel fuel contaminated soil that were near the 20,000-gallon asphalt cement tank on site. CalMat analyzed the material and determined that the material was suitable for use in asphaltic concrete aggregate. The soil was stockpiled on plastic sheeting and covered with additional sheeting. Not all of the petroleum-contaminated soil was removed at that time because some of it was underneath the tank,which had to be moved to another location prior to removal of the PCS. After correspondence between PCDEQ and CalMat over a period of a year, the plan to incorporate the PCS into "hot mix" paving was approved and the project was completed. The summary of compliance events is provided on page F1-8, Appendix Fl. On March 4, 1996, CalMat sent a certified letter to PCDEQ, stating that the work was competed (page F1-11). The follow up report was submitted in May 1996. PCDEQ considers the case closed; indicating that the Agency believed the release was no longer a threat to the environment. The cover and table of contents are on pages F1-13 through F 1-15; the entire report is in the files of PDEQ. 3.3.2 Air Quality Violations In 1994 and 1995, CalMat was cited for concerns for visible emissions from the plant on Naranja Road (Appendices F2 and F3). The concerns were resolved through corrective Privileged and Confidential Engineering and Environmental Consultants, Inc. Page 12 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half Sec. 2, T125,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 action by CalMat. These air quality violations do not constitute long-term environmental concerns at the site. 3.3.3 Miscellaneous Records The 1998 compliance record indicated that the plant was in compliance at that time (Appendix F4). In May 1998, the air-quality permit was transferred to Sunward Materials, with a notice that operations would cease as of date of transfer (Appendix F5). At the time of the 1999 inspection, the "...facility met requirements of Titles 17 and 7" (page F6-2 Appendix F6). It was noted that operations had ceased at the facility. 4.0 SITE RECONNAISSANCE, INTERVIEW, AND REVIEW OF POTENTIAL HAZARDS Kevin A. Pierce of EEC conducted a site reconnaissance on August 12, 1999, in order to observe and record information concerning present site conditions. Mr. Pierce tried to make a site visit approximately one month earlier, but was asked to leave by CalMat employees. At the time of the second site visit, Mr. Pierce was still not provided access to all areas of the property. Site photographs, made at the time of the second site visit, are in Appendix B. EEC was not permitted by the site occupant to photograph the southwest portion of the property. In August, environmental questionnaires were sent to Mr. Andy Siersma of CalMat Company of Arizona and to Mr. Gary Slusher of the Arizona State Land Department. Mr. Siersma stated in a telephone conversation with EEC staff on September 7, 1999, that he was advised by his company not to return the questionnaire, and that a closure report for the site would be sent to the State Land Department within 2 to 3 weeks. The closure 4 report has not, at this time, been made available to EEC. I The questionnaire completed by Mr Slusher was returned to EEC's office on September '. 9, 1999, and is included as Appendix G. Mr. Slusher, or whoever completed the questionnaire, did not complete the information on length of time associated with the property, nor did he initial and date the pages. However, the person completing the Privileged and Confidential Engineering and Environmental Consultants, Inc. Page 13 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land,in the E half Sec. 2, T12S, R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 questionnaire noted that there were no environmental violations, liens, or other known environmental conditions connected with the property. 4.1 HAZARDOUS SUBSTANCES AND CHEMICALS No indication of hazardous substances was found in the database search; the site reconnaissance also did not indicate any hazardous substances. No hazardous substance containers or unidentified substance containers were seen on any of portion of the property. An equipment service truck was observed on-site. The truck carried motor fuel and grease and oil for the excavation equipment working at the site. It is the opinion of EEC that, without further information, no additional inquiry into hazardous substances and petroleum products is warranted. CalMat provided documentation that the petroleum contaminated soils were removed in the mid 1990s and were recycled into asphalt "hot mix" and used to pave the entrances to the property. EEC finds no indication that residuals from this release were left on site. 4.2 POLYCHLORINATED BIPHENYLS (PCBs) A total of six electrical transformers were observed on site. Four were pole mounted in the vicinity of the truck and trailer (one east of the entrance road, three on a single pole in the headquarters area). Two pad-mounted transformers are located in the central areas of the property where soil screening and sorting operations were carried out. Power is supplied to the pad-mounted transformers through overhead lines. The transformers do not have labels indicating that they have been tested for PCBs, and are therefore classified as contaminated(with 50 parts per million [ppm] to 500 ppm) PCBs, per Section 40 Code of Federal Regulations,Part 761. No indication of leakage was seen during the site visit. If the transformers were to leak in the future, leakage should be reported to power company,which will be responsible for repair and any cleanup of PCBs. I Privileged and Confidential Engineering and Environmental Consultants, Inc. Page 14 0 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land in the E half,Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 4.3 PITS, SUMPS, DRY WELLS, CATCH BASINS AND DRAINAGEWAYS Pits, sumps, dry wells, and catch basins potentially allow contaminants in surface water to move downwards toward the groundwater. Several basins were identified on the property through the aerial photograph review (Figures A-4 through A-6, Appendix A). Most basins are now filled in and graded over, but the remains of one basin along the eastern boundary of the property were observed (Photograph B-3, Appendix B). The western portion of the basin has been removed, but the eastern portion remained at the time of the site visit. The basin is lined with a plastic liner, which can be seen under the remaining portion of the basin. Natural drainage through the property has been disturbed through the excavation and materials handling operations on the property, although the northern portion of the wash on the western side of the property is in it natural state. However, there are no sites with controlled hazardous materials up-gradient of the property. It is assumed that the buildings at the headquarters site used a septic tank for domestic waste disposal. However, no indication of the location of the septic system was seen. Because there is no reason to believe that anything other than domestic waste entered the system and because the depth to groundwater is greater than 300 feet, it is the opinion of EEC that the probable septic system does not warrant additional inquiry at this time. 4.4 ABOVEGROUND AND UNDERGROUND STORAGE TANKS No indication of aboveground or underground storage tanks was noted during the site visit. No USTs are registered in the area of the subject property (Page B-8, Appendix B). The service and fuels truck observed in the headquarters area of the property carried a storage tank for dispensing fuel to the equipment on site. 4.5 WATER WELLS The ADWR (Page E-4, Appendix E) lists four water wells as being on the property, all in the same 10 acres. Three are listed as being for industrial use and the other's use is listed Privileged and Confidential Engineering and Environmental Consultants, Inc. Page 15 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half,Sec. 2, T12S, R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 as "none." Wells are registered to R.E. Miller Paving or the state of Arizona. No indication of the actual location or configuration of the wells was observed during the site visit. EEC recommends that these wells be located. In addition, they should be registered in the current owner's name (or buyer's name at the time of sale). Furthermore, they should be placed in service or abandoned following regulations of the ADWR. 4.6 SURFACE STAINS AND INDICATIONS OF SOIL WASTE DISPOSAL No surface stains, odors, or stressed vegetation were observed on the property. Most of the property, however, had been freshly graded. As a result, any existing stains would have been removed or buried. Several piles of debris were found on the property during the site visit, including boulders, asphalt debris, construction debris and shredded wood debris. The asphalt debris is mixed with dirt and appears to be broken-up paving. There is no indication that the property was used for manufacturing of asphalt emulsions. Some of the asphalt debris was being removed from the property during the site visit. The miscellaneous construction debris reportedly was being removed and disposed of off-site. The wood debris appears to be shredded native material that may have been used for dust control. EEC recommends that another site visit be made to confirm that the asphalt and construction debris has been removed from the site. If not, the materials should be disposed of in a landfill that accepts these materials. 5.0 ENVIRONMENTAL INQUIRY NOT INCLUDED IN ASTM PRACTICE E 1527-97 Environmental inquiry into potential environmental conditions outside the scope of work for ASTM Standard E 1527-97, which deals only with CERCLA-defined hazardous substances and petroleum products, includes such items as asbestos-containing materials (ACM), radon, lead-based paint, and lead in drinking water. Notes on these items are below: Privileged and Confidential Engineering and Environmental Consultants, Inc. Page 16 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85 73 7 • Because there are no buildings on the property, ACM, lead-based paints and lead in drinking water are not an environmental consideration. • The Arizona Radiation Regulatory Agency (ARRA), in cooperation with the U.S. Environmental Protection Agency (EPA), initiated a program to measure radon concentrations in homes. The survey was conducted in response to the growing concern about potential health risks associated with indoor radon exposure. Fourteen of the fifteen samples of radon gas measured in homes in the 85737 zip code were below the EPA recommended action level of 4.0 pCi/L. One sample was 5.2 pCi/L. On the basis of these results and knowledge of the local geology, there is no reason to believe that radon gas would be high on the subject property. Radon gas, however, can also be a function of building construction and release of radon gas from water supplies, so site specific tests would be required to completely rule out radon gas in any building constructed on the property. 6.0 FINDING AND RECOMMENDATION EEC has performed a Phase I ESA in general conformance with the scope and limitation of ASTM Practice E 1527-97 for a parcel of land in the East half of Section 2, Township 12 South, Range 13 East, Gila and Salt River Base and Meridian, Oro Valley, AZ 85737 (Figure A-1, Appendix A). The subject property, consisting of 170.62 acres, is within the town limits of Oro Valley, Arizona, and is further identified as Pima County Assessor's Parcel No 224-03-169F (Figure A-2). The property is owned by the state of Arizona. The site was most recently occupied by CalMat of Arizona, a sand and gravel extraction company that also used the property to operate a hot-mix asphalt plant during the 1990s. 6.1 FINDINGS This assessment has revealed no evidence of recognized environmental conditions, as defined under ASTM E 1527-97, in connection with the property, with the following exceptions: Privileged and Confidential Engineering and Environmental Consultants, Inc. Page 17 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land in the E half,Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 • CalMat had not completely finished "restoring" the property at the time of the site visit. Furthermore, at the time of preparation of this report, CalMat had not yet completed a report on the company's closure activities. According to a representative of the Arizona State Land Department, the company has 45 days following closure to submit a final report on closure activities. • At the time of the site visit, the property contained several piles of debris, including asphalt debris and miscellaneous construction debris. The occupant was in the process of removing some of the piles; these materials are not considered hazardous. • The site operation had an air quality permit from the Pima County Department of Environmental Quality (PCDEQ). That entity is also responsible for solid-waste issues, including oversight of spills of regulated (but not necessarily hazardous) solid wastes, such as oil and diesel. In 1964, CalMat was cited for several infractions of air quality permit requirements. The issues were resolved and the case was closed. • In addition, in 1994, there was one release of petroleum product. The site was partially excavated and the petroleum-contaminated soil (PCS) was placed on plastic sheeting and covered with additional plastic sheeting. In 1996, the rest of the contaminated area, which had been beneath a tank, was excavated. The contaminated soil, under a plan approved by PCDEQ, was incorporated into asphalt and used for paving. • There are four registered water wells on the subject property, according to the Arizona Department of Water Resources; all wells are in the same 10 acres. Owners are listed as R.E. Miller Paving (two wells) and the State of Arizona (two wells). These wells were not located at the time of the site visit because of limited access. 6.2 RECOMMENDATIONS Although this Phase I ESA did not find any indication of hazardous, or special waste materials that would affect the use of the property, EEC makes the following recommendations for follow-up investigation or action items: Privileged and Confidential Engineering and Environmental Consultants, Inc. Page 18 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half Sec. 2, T125, R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 • The town of Oro Valley should obtain and review the site closure report when it becomes available from the Arizona State Land Department. After reviewing that report, a decision should be made as to whether to implement a limited Phase II investigation to determine if any buried materials remain. Because of the large area of the site, EEC recommends that any initial limited Phase II study should be a magnetic survey to look for buried tanks or other metallic objects. The area of concern should be only those areas actually excavated during the life of the operations. • A new site visit should be made to determine if any of the asphalt and other material remains on site after "official closure." Although inert debris is not hazardous, EEC recommends that any residuals be removed and disposed of in a landfill that accepts non-hazardous construction debris. • EEC recommends that wells be either registered in the new owner's name, or abandoned following regulations of the Arizona Department of Water Resources. 7.0 LIMITATIONS This report is limited to the duties, liabilities, and obligations as set forth in the statement of work and pursuant to the Agreement between the Town of Oro Valley (Client) and EEC. EEC performed this environmental assessment in accordance with generally accepted practices of other consultants undertaking similar studies at the same time and in the same geographical area. EEC observed the degree of care and skill generally exercised by other consultants under similar circumstances and conditions. EEC's findings must be considered not as scientific certainties, but rather as our professional opinion concerning the significance of the limited data gathered during the course of our assessment. No other warranty, expressed or implied, is made. EEC does not and cannot represent that the site does not contain any hazardous substances, contaminants, pollutants, petroleum hydrocarbons, or any other latent conditions beyond that observed by EEC during the course of the project. This report is also subject to the following specific limitations: Privileged and Confidential Engineering and Environmental Consultants, Inc. Page 19 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned landin the E half Sec. 2, T12S, R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85 73 7 The observations described in this environmental survey were made under the conditions stated therein. The environmental report was based solely upon the services described therein, and not on scientific tasks or procedures beyond the scope of described services or the time and budgetary constraints imposed by the Client. In preparing this report, EEC may have relied on certain information provided by federal, state, and local officials and/or other parties referenced therein, and on information contained in the files of federal, state, county and/or local agencies and other sources made available to EEC at the time of this project. Although there may have been some degree of overlap in the information provided by these various sources, EEC did not attempt to independently verify the accuracy or completeness of all information reviewed or received during the course of this project. A good faith effort has been made to consult pertinent sources of data, and EEC has disclosed to the Client all discovered information. No warranty is made regarding the accuracy of any publicly documented information or the opinions of officials consulted for this project. In the event that the Client obtains information regarding environmental or hazardous substances issues at the site not contained in this report or the survey, such information shall be brought to EEC's attention forthwith. EEC will evaluate such information and, on the basis of this evaluation, may modify the conclusions and/or recommendations stated in this report. 8.0 REFERENCES CITED The following published references were used in completing this Phase I ESA • Anderson, S.R. 1987. Cenozoic Stratigraphy and Geologic History of the Tucson Basin, Pima County, Arizona. U.S. Geological Survey Water-Resources Investigation Report 87-4190. October 1987. • Arizona Bureau of Mines (now the Arizona Geological Survey). 1969 (reprinted 1975). Mineral and Water Resources of Arizona. Bulletin 180. Tucson. Privileged and Confidential Engineering and Environmental Consultants, Inc. Page 20 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half,Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85 73 7 • Arizona Radiation Regulatory Agency. No Date. Home Radon Survey, Phase I and Phase II Summary. Phoenix, Arizona. • Environmental Science and Engineering, Inc. 1995. Petroleum Contaminated Soil Remediation Work Plan. Prepared for CalMat, and submitted to Pima County Department of Environmental Quality under cover letter of February 24, 1995. [See Appendix • Environmental Science and Engineering, Inc. 1996. Results of Excavation of Petroleum Contaminated Soil Area Beneath 20,000 Gallon asphalt Tank and Incorporation of Excavated Petroleum Contaminated soil into Asphalt Process. Prepared for CalMat/Industrial asphalt Facility and presented to Pima County Department of Environmental Quality, under cover letter of May 22, 1996. [See Appendix Fl.] • Davidson, E.S. 1973. Geohydrology and Water Resources of the Tucson Basin, Arizona. U.S. Geological Survey Water-Supply Paper 1939-E. • Fenneman, N.M. 1931. Physiology of the Western United States. McGraw-Hill Book Company,New York. • Tucson Water Planning & Engineering Division. 1998. Annual Static Water Level Basic Data Report, Tucson Basin and Avra Valley, Pima County, Arizona 1996. Prepared Research and Technical Support Section. May, 1998. • U.S. Geological Survey. 1981. Oro Valley, Ariz. quadrangle. 7.5 minute series (topographic), Pima County, Arizona. Privileged and Confidential Engineering and Environmental Consultants, Inc. Page 21 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land,in the E half,Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 APPENDIX A FIGURES Privileged and Confidential Engineering and Environmental Consultants,Inc. Phase 1 Environmental Site Assessment October 29, 1999. 170.62 Acres of state owned land,in the E half Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85 73 7 r1 i i1i, IIII \I 11 II \, '----31, -,-....--....2-7 --- / �35 ,� -- - 36 _ \._ n2700 II rr t, (c, ;! - '� )af II i r/ : : ' ) l's ' II II 1 �/ (( `�° 1 . i \it ,/,/ i /, , f II iii It I � ANGL'IN 1 II— JBM ROA_D _ - --_-�!l no { _ J4 -` SITE \1 +BM BM 14 ► l k 2800 1 LOCATION `! 2763 oo Il b irlir: . ''' . "ic — fir' 1 Il 1 ti ' , i, ,,, ); . „�(g4 - , , i o )(.. .. . , , ,, x2788 I. 1. 4 I / ' r o /( . Z I N/ 1 i ----- --- - ( ,:i I .-, II i �l ►' ( ,% Sand and :vei n, ! • ` W , `.> n p (.,eit, Well ':;..,1,1, I \\271.9______ 2 W 2712 -r fl' 1 1 4 ... ' I , ,: ' , y BM 2649 - r / k 2725 i, I, ��'. x 2741 i� i , t/� I I p 1 i ,, ,:j.' , .•• ') • • t. • ,: ,� � � � ', i it � r` \ ik.\' le '(.. Trailer..Park - II . O f j' ://s ,__,,c=- :E-L1 , ,' . , . . '' /*., ! , ' '>.''. p2608 Q � �� �, _ _)�\-\"------ ' ..;'.. . r ,, ,, . ,, , , :,...„,::::„.... 1 j .. .. , ;f: ? i, ‘ ,,. •• i •, I ��, ,ANE f----- �� Pte`"''.• soo. f`; • �\• I ,% ►1 Sewage ~'d '•• '-...„. .... .g ° ''.. , •, , i + ✓y/ 7 �� o /tf -._:_ ==_== 2546 ' ! % ;„,-- • 2581 • `` L J �T�l i - �� • • i ., .' ; \ a-- % /•,�`--��--�•�• / �/ 'IVY_ ,,/ `, ,.�� �.. BM 2643 I 6.. y ./____---,./1:. • . ._..._I. ... , , ,,. . i . , , ' .(). ,--:--' I. /4 V‘ \\ •cr• • ;-11,: \ . , '' \ sl. .C-- N FIGURE A-1 LOCATION and TOPOGRAPHIC MAP A Scale: 1:24,000 Contour Interval: 40 feet Engineering and Environmental Consultants,Inc. Supplemental Contours at 20 feet 4625 E.Fort Lowell Road,Suite 200 Source: USGS 7.5-minute series Tucson,AZ 85712-1126 Oro Valley,AZ (1981) Telephone:520-321-4625 Facsimile: 520-321-0333 Privileged and Confidential Engineering and Environmental Consultants, Inc. 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' ' Jr-.. -. -#� =tea` �� � _�_. it - __.- _ Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land,in the E half Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 11 C C : 1 APPENDIX B SITE PHOTOGRAPHS 5 C C C ' C sie Privileged and Confidential Engineering and Environmental Consultants, Inc. Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half,Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 ' err i r ..... - ---7---__- -:----_-_----- : _ ---- - , AthAtIlli _ _ = - Photograph B-1. Looking west at the property across the central pit area _ - - -- ; ••-. ,. -_ - sir N. r ::.� - -_. - - azo • • i b ............-- , ...4::,::,::‘--1 .ziti!:,,,_____w__‘*-1_{ - ae-_ s=+•I S - ....;t7-“.1%� _ 5 = -- -�_ _ ''irk ; _A—A:,{ . .- z __ a '.- . F `' Photograph B-2.Looking southwest at the property across the central pit area Privileged and Confidential Engineering and Environmental Consultants, Inc. B-1 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 r . ♦_•ter' - 'art t - — .. e- . ,,A,,,: &.,_L • -->Z` > '`'ter w '-" —,� _ R fir• . 1'` ,-', -'. .-`_ .� _.„-- - 4-• R 3 i �, .- e _. Via: -_ v ._ •t. - . —. - -- _ ik 41004, ' - - --if' -e � ,.,wt.; , 44 ' t!` ' -' ' 4rtlei7.1.4 ' } s e., F . i v - - _ - -- - - . -Photograph B-3. Basin along the east boundary y lir i --; - -_ _ -_ _-__2. _._mac- _ - _. _ _ a - - _ - - - - a _ - = T 3` ' N max_ - .�- ..� . 4'"'".. =t Photograph B-4. Abandoned concrete slab near central pit Privileged and Confidential Engineering and Environmental Consultants, Inc. B-2 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half,Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224- 03-169F, Oro Valley,AZ 85737 4 ., , „_...,,--_-_. ____ --zip-- . _ ,. ., . .,,,,,k, a sF _ - sem_= � 3{ fit%:,:: : ' '4'-'''' -.L;;'.'-' r 1''''‘I'1‘,--7-4-Z.': -% -'fiki -•4105,-. :--,,,,,..-_.A:_i.,.174!,-4,*:: i: • ..!,:i. ;.,,_ _.,,,trapk, a- _.;75,:..- -44....- -N...,.- - .. - a_�i-,-„S 'F -`. -�- !'!�- - ,` *04,iF a :fid'=--,1.1.4:4'-- _ _'i. '.r- - •=a "F • r •iii '' _ w r- ' �-..;-.:.1,....,'_3� �_ - � - #,--- ` �_ 414-.*. - �• !" �- * . `''' 4.7,:ii. :°V*.'7 '''-:.--.. -''''.,,,,,i'-'1W.-.......,'- --.'t-*--j'---,'''-- ir. ';!F .•Z ;al!, ..°`" .: tiiTI:- _ s _.s ....., ... :#-..-.-4:..--',.;;N: _#+� i�� Y - -:4: , -=r ;�. �. • ILA \; } .�'t. ;�_ - `!ice' �-{�.� --f-_.,..:,:_ ,I11....,,: ::-...II", ,st:- - - .mss K- .,----- 8,.,. .... :..-„„,. -,,.-ipr .: - fig ! } �. _ �1 _ +Y v y, t +' 'fi4.t ,....--,-.4, • • r y _ - sem` -� _ -- a. � � _ � _ �.la.: T _._, i _ • Photograph B-5.Asphalt debris near north entrance 4.,i..._ , . It' t A _,_ ,,,,.. __, ,,.... - „K., -.,„e-4.:,..---ie - '_ -, _. _ ..... _ , �T icir —__ ..., .--_ ._ c...„. , . ........_ _ , „Nowt -iji,V _ - ter- 17;71.1hlig.::WP':- -,. I' : :17:11111:- --:''''-4-411k-1 :--------.--:"--ff:----1:-----;:-------- ---- -*----I:1----'--__ :..,-:__ --"'-'77:1--__ -'1k— dill - Y 3 _----Aiskiret._---; - _ _ III s PM a z _ gine r f_____=.__________„_________:__ _ ___ _ _-_-_— .'- __ Photograph B-6. Miscellaneous construction debris Privileged and Confidential Engineering and Environmental Consultants, Inc. B-3 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half,Sec. 2, T125,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 E iPt APINI } . • . - }T • • t- i _'--,.„_ ..-: i e_ g Jr a= ice} y Photograph B-7. Shredded wood debris on the east ridge A -,,,,,,h'I' ,-,,,, . - - - ' ac____.* *--,--4*-- ?-- . . -.,..?..1*Ii.et,14, -- , ---z-..',--.-- .--zitkl,„c 4.--—t-- . --2,- - — - f t s Photograph B-8. Looking east across the central pit area at wood debris,transformer Privileged and Confidential Engineering and Environmental Consultants, Inc. B-4 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 APPENDIX C HISTORIC TITLE REPORT 111 Privileged and Confidential Engineering and Environmental Consultants, Inc. �Y �`"�l • •� :• ALL LANDS TITLE P.O. Box 56398, Phoenix, AZ 85079 (602) 242-7921 Fax (602) 242-4493 HISTORICAL TITLE REPORT YOUR FILE NO: 99079 ALT FILE NO: 99-0657T DATE: April 27, 1999 ALL LANDS TITLE hereby reports a Historical Title Report to the land described below, subject to the leases, VEMUR's and Environmental Liens as shown in Schedule B. This is a historical title report ONLY and is neither a guarantee of title, a commitment to insure or a policy of title insurance. The total liability is limited to the fee paid for this report. 1. Title to the estate or interest covered by this report is vested in: THE STATE OF ARIZONA, BY AND THROUGH ITS STATE LAND DEPARTMENT 2. By virtue of that State Selection vested upon Statehood on February 14, 1912. ' 3. The land referred to in this report is located in Pima County, Arizona, described as follows: 111 Assessor's No.: 224-03-169F " 1 SEE LEGAL DESCRIPTION ATTACHED ' C-1 of 2 SCHEDULE B 1. Grazing Lease No. G-576-S, to Sasha Sam Headman, dated 2-1-54; assigned to Kathleen Headman on 6-27-56, and terminated 1-31-64. 2. Grazing Lease No. G-1046-S, to Walter A. McDonald, dated 2-28-56, assigned to Lloyd W. Golder,Jr., on 11-26-57, and terminated 6-30-65. 3. Commercial Lease No. C-719-S, to Oro Rock and Sand, Inc., dated 11- 26-62, terminated 9-24-70. 4. Grazing Lease No. G-3089-S, to Lloyd and Esther Golder, dated 7-1-65, assigned to Jack M. Ostrow and Richard L. Bloch on 7-6-73, terminated 12-17-82. 5. Materials Lease Nos. MM-126-S & MM-127-S, to Oro Rock and Sand, Inc., dated 3-20-68, terminated 2-1-80. 6. Materials Lease Nos. MM-400-S & MM-401-5, to Oro Rock and Sand, Inc, Inc., dated 9-24-70, terminated 2-1-80. 7. Commercial Lease No. C-67935-S, to Oro Rock and Sand Company, dated 12-18-78, assigned to R.E. Miller Paving and Construction, Inc., on 8-9-83, assigned to CalMat Co. of Az on 5-5-88, terminated 11-30- 93. 8. Lease No. 123-84303-S, to R.E. Miller Paving and Construction, Inc., dated 3-14-86, terminated 4-4-88. 9. Lease No. 03-94163-S, to Gila Monster Broadcasting, dated 2-20-87, terminated 5-19-97. IO.Lease No. 03-95390-S, to R.E. Miller Paving and Construction, Inc., dated 3-10-88, assigned to Cal Mat Co. of AZ on 9-1-88, currently open. 11.No VEMUR'S or Environmental Liens were found of record C-2 of 2 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half,Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 1 APPENDIX D ENVIRONMENTAL DATABASE Privileged and Confidential Engineering and Environmental Consultants, Inc. 0 M s; ALL LANDS TITLE P.O. Box 56398, Phoenix, AZ 85079 (602) 242-7921 Fax (602) 242-4493 DATABASE (ASTM) SEARCH YOUR FILE NO: 99079 ALT FILE NO: 99-0657D DATE: April 30, 1999 ALL LANDS TITLE hereby reports the search results of Federal and State Databases according to ASTM standards for Phase I Environmental Site Assessments E 1527-97. This is a confidential, privileged and protected document for the use of Environmental Engineering Consultants.All Lands Title is not responsible for errors in the available records. The total liability is limited to the fee paid for this report. 1. The land referred to in this report is located in Pima County, Arizona, described as follows: Property being in the East half of Section 2, Township 12 South, Range 13 p Y East, Gila and Salt River Base and Meridian. 99-0657D D-1 of 12 SUMMARY FEDERAL & STATE ENVIRONMENTAL RECORDS RECORDS(miles) <=0.125 0.125-0.25 0.25-0.5 0.5 - 1.0 NFL 0 0 0 0 WQARF 0 0 0 0 CERCLIS 0 0 0 - RCRA Compliance 0 0 0 0 RCRA CORRACTS TSD 0 0 0 0 RCRA NON-CORRACTS TSD 0 0 0 - RCRA Generators 0 - - - ERNS 0 - - - State Emergency Log 0 - - - Landfills 0 0 0 - LUST 0 0 0 - UST 0 - - - Dry well 0 - - - Permits 0 - - - ADWR Well See Appendix E ACIDS 0 0 0 - SARA 0 0 0 0 DEFINITIONS: ACIDS Arizona CERCLA information & Data System ADWR Arizona Department of Water Resources ADEQ Arizona Department of Environmental Quality CERCLA Comprehensive Environmental Response, Compensation and Liability Act CERCLIS Federal CERCLA List CORRACTS TSD Facilities subject to Corrective Action under RCRA EPA US Environmental Protection Agency, Region IX ERNS Emergency Response Notification System LUST Leaking Underground Storage Tank NFRAP CERCLA Sites which have no further remediation actions planned NPL National Priority List (Superfund) NPDES National Pollutant Discharge Elimination System RADIUS by definition includes subject property measured from exterior boundaries RCRA Resource Conservation and Recovery Act SARA Superfund Amendment and Reauthorization Act TSD Treatment, Storage, Disposal Facility UST Underground Storage Tank WQARF Water Quality Assurance Revolving Fund 99-0657D D-2 of 12 SUPERFUND NATIONAL PRIORITIES LIST (NPL) Under Section 105 of the Comprehensive Environmental Response, Compensation and Liability Act the Environmental Protection Agency established a National Priorities List (NPL) of Superfund sites. Inclusion on the NPL reflects a significant risk to public health and the environment and indicates a Federal Priority to remediate the site. This database is provided by the Arizona Department of Environmental Quality,dated March, 1999, and searched to identify all NPL sites within a 1.0 mile search radius of subject property. No National Priorities List (NPL) Sites were found located within a 1.0 mile search radius of subject property. WATER QUALITY ASSURANCE REVOLVING FUND (WQARF) The state of Arizona established a remedial program under A.R.S. 49-282 to facilitate the conservation and clean-up of Arizona drinking water and water sources. Under the authority of the WQARF program, the state actively identifies any actual or potential impact upon state waters,evaluates the extent of contamination, identifies parties responsible,and provides money grants to assist in clean-up activities. This database is provided by the Arizona Department of Environmental Quality dated March, 1999,and searched to identify all WQARF sites within a 1.0 mile search radius of subject property. No WQARF Priority List Study Area sites were found located within a 1.0 mile search radius of subject property. 99-0657D D-3 of 12 FEDERAL CERCLIS LIST The CERCLIS list contains sites which are either proposed to or on the NPL and sites which are in the screening and assessment phase for possible inclusion on the NPL. Those sites on the NFRAP list have no further remediation action planned. This database is provided by EPA through the Right of Know Net by OMB Watch and Unison Institute dated January, 1999, and searched for facilities within a 0.5 mile search radius of subject property. No CERCLIS facilities were found located within a 0.5 mile search radius of subject property. RESOURCE CONSERVATION AND RECOVERY ACT (RCRA) COMPLIANCE FACILITIES The RCRA Compliance Log lists facilities that have been or presently are under investigation for non-compliance with RCRA regulations. Each facility listed manages hazardous materials through generation,transportation, storage,treatment,or disposal. Inclusion of any facility on this list indicates a history of compliance problems and RCRA regulatory violation.This database is from the Arizona Department of Environmental Quality RCRA Compliance Log, dated January, 1999,and searched for compliance facilities within a 1.0 mile search radius of subject property. No compliance facilities were found located within a 1.0 mile search radius of subject property. 99-0657D D-4 of 12 CORRACTS TSD FACILITIES Under RCRA the Environmental Protection Agency compiles a database of facilities that are involved in the generation,transportation,treatment, storage,or disposal of hazardous materials. This database is from the Arizona Department of Environmental Quality RCRA Log dated January, 1999, and checked for Federal RCRA CORRACTS TSD Facilities which occurred within a 1.0 mile search radius of subject property. No Federal RCRA CORRACTS TSD Facilities were found which occurred within a 1.0 mile search radius of subject property. NON-CORRACTS TSD FACILITIES Under RCRA the Environmental Protection Agency compiles a database of facilities that are involved in the generation, transportation, treatment, storage,or disposal of hazardous materials. This database is from the Arizona Department of Environmental Quality RCRA Log dated January, 1999,and checked for Federal RCRA NON- CORRACTS TSD Facilities which occurred within a 0.5 mile search radius of subject property. No Federal RCRA NON-CORRACTS TSD Facilities were found which occurred within a 0.5 mile search radius of subject property. TSD TYPE(S): L=LAND DISPOSAL I=INCINERATION B=BOILERS AND INDUSTRIAL FURNACES S=STORAGE AND TREATMENT 99-0657D D-5 of 12 RESOURCE CONSERVATION AND RECOVERY ACT FACILITIES (RCRA) Under RCRA the Environmental Protection Agency compiles a database of facilities that are involved in the generation,transportation, treatment, storage,or disposal of hazardous materials.This database is from the Arizona Department of Environmental Quality RCRA Log dated January, 1999,and checked for Federal RCRA Small (less than 1000 kg/month of non-acutely hazardous waste) & Large Generators (at least 1000 kg/month of non-acutely hazardous waste or 1 kg/month of acutely hazardous waste) located within a <=0.125 mile search radius of subject property. No Federal RCRA Large or Small Generators were found located within a<=0.125 mile search radius of subject property. FEDERAL EMERGENCY RESPONSE NOTIFICATION SYSTEM (ERNS) LIST The ERNS list is a national database used to collect information on reported releases of oil and hazardous substances.This database is provided by EPA through the Right of Know Net by OMB Watch and Unison Institute from 1983 to January, 1999,and checked for incidents which occurred at or near subject property. No incidents were found located within a<=0.125 mile search radius of subject property. 99-0657D D-6 of 12 HAZARDOUS MATERIAL INCIDENTS The Arizona Department of Environmental Quality (ADEM Response Team documents spills and incidents involving hazardous materials that are reported to the unit. This database is from the Arizona Department of Environmental Quality Emergency Response Log from 1984 through January, 1999,and checked for hazardous material incidents which occurred at or near subject property. No hazardous material incidents were found located within a<=0.125 mile search radius of subject property. LANDFILLS The state of Arizona maintains listings of closed and permitted,operating landfills and solid waste dump sites. Lists of closed facilities are not necessarily complete - older dumping areas may not be documented.This database is from the Arizona Department of Environmental Quality Waste Programs Division;Solid Waste Section Directory of Arizona Active and Inactive Landfills dated May, 1998,and checked for active and inactive landfills located within a 0.5 mile search radius of subject property. No active nor inactive landfills were found located within a 0.5 mile search radius of subject site. 99-0657D D-7 of 12 REGISTERED LEAKING UNDERGROUND STORAGE TANKS (LUST) Owners of USTs are required to report to the Arizona Department of Environmental Quality any and all releases of tank contents for which ADEQ maintains an ongoing file documenting the nature of contamination and the status of each such incident. This database is from the ADEQ LUST Log dated February, 1999,and searched for LUST sites located within a 0.5 mile search radius of subject property. No registered leaking underground storage tanks were found located within a 0.5 mile search radius of subject property. REGISTERED UNDERGROUND STORAGE TANKS (UST) State (A.R.S. 49-1001 to 1014) and Federal (RCRA Subtitle I) laws require that persons who own or have owned underground storage tanks containing "regulated substances" complete a notification form and register the tank with the state. This database is from the Arizona Department of Environmental Quality UST Log dated January, 1999,and searched for UST sites which occurred at subject site and adjacent properties. No registered underground storage tanks were found located within a<=0.125 mile search radius of subject property. 99-0657D D-8 of 12 ADEQ DRY WELL REGISTRATION DATA BASE Dry wells are constructed for the purpose of collecting storm waters. Dry wells are required to be registered with ADEQ.This database is from the ADEQ dry well registration database dated January, 1999,and searched for dry wells located within a <=0.125 mile search radius of subject property. No registered dry wells were found located within a<=0.125 mile search radius of subject property. ARIZONA RADIATION REGULATORY AGENCY HOME RADON SURVEY The Arizona Radiation Regulatory Agency,in cooperation with the EPA, initiated a program to measure radon concentrations with the primary goal of determining the statewide distribution of radon and identify areas of potentially high concentrations. This database is from the ARRA Home Radon Survey revised June 16, 1993, for the subject property zipcode. ZIPCODE HIGH VALUE in NO.OF TESTS TESTS<4.0 TESTS at 4.0+ picoCuries/liter pCi/L pCi/L 85737 5.2 15 14 1 99-0657D D-9 of 12 PERMIT FACILITY LISTS These lists include Groundwater Permits, Reuse Permits;NPDES Permitted Facilities and Aquifer Protection Permits. Any facility which discharges a material that directly or indirectly adds any pollutant to the waters of the state may be required to obtain a permit as required by the Aquifer Protection Permit Rules.These databases are from the Arizona Department of Environmental Quality Aquifer Protection Permit Program Existing Facility list dated January, 1997,and checked for inclusion of subject property. Subject property was not on this list. ARIZONA DEPARTMENT OF WATER RESOURCES WELL REPORT This database is from the Arizona Department of Water Resources Well Report Operations Division Report, dated March, 1999. This report identifies existing wells sequenced by legal description and checked for inclusion of subject site and adjacent properties within 1 Mile. SEE APPENDIX E 99-0657D D-10 of 12 ARIZONA CERCLA INFORMATION AND DATA SYSTEM (ACIDS) The ACIDS list consists of locations and facilities subject to investigation under the Federal CERCLA and state WQARF programs. Inclusion of any facility on this list does not indicate contamination,threat of contamination or violation of state or federal statutes.This database is provided by the Arizona Department of Environmental Quality,dated January, 1999,and searched to identify all ACIDS sites within a 0.5 mile search radius of subject property. No ACIDS facilities were found located within a 0.5 mile search radius of subject property. SUPERFUND AMENDMENTS AND REAUTHORIZATION ACT (SARA) TITLE III EXTREMELY HAZARDOUS SUBSTANCES SITES Under the Community Right-To-Know portion of SARA,facilities which must prepare, or have available, material safety data sheets (MSDS) and must submit either copies of the MSDS or a list of the chemicals to the State Emergency Response Commission. This Database is from the SARA Title III List dated January, 1999„and searched to identify all SARA sites within a 1.0 mile search radius of subject property. No SARA facilities were found located within a 1.0 mile search radius of subject property. 99-0657D D-11 of 12 cD 4 - i , a =:iii E re " ! W -1)4'68 I . , , .., / 1_,; ._ o, I a' - .hey°'''' '' ,j J t„,__._„,_.=_, (I) H -.-. r W Lo JI, uoJiUe Aeuo L- 0- ` a W � O ccZ a) S''''' c Q roe" � �`- � � ��g:.3 is ii, - ,,-_,,_ , , ...ii1A.. _ _ - -.'- lie 1 & -_':_ - • i "99 . 2 sPIB / U2N Robi a- d 1S 'Mill:, ./ . --,..„_.„,.. -PM`i < g 0 441.......1.04-,,, - : ______:i--------------0- ei . ._:_,._, . -, i 10 py N ami PI '-d eplell.III s - , j Q 0 U ) */, UP: --- 4 1-- c -- \ .- : (i) Ce U) -117},‘ \• UI i _ Cull imi • no � ddD N w RP,��. > M. \ c \i p ----- - rescend° II .. 111 C!) N c � \ ,V14 ! ,Fid ,Oil ., _� �--- 4 �r NS N' '' a'-.-;-;-,1-,,-,_, " C1)- -St il I f \ r • IsU LLI m d? - ��ran t •-q) . . "-- 40-i F)°,.' 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N Idlife Ave 07 GO: N Ranch PI o� G am • - BI - - W 4111 1 c z �, Cl) J -.). ...*.N f Vm ,\ in E v J in 1� ce 1 NI Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land, in the E half Sec. 2, T125,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 APPENDIX E WATER WELL RECORDS Privileged and Confidential Engineering and Environmental Consultants, Inc. 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Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned lana in the E half Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 APPENDIX F SELECTED PIMA COUNTY DEQ RECORDS (Continued) Appendix Fl Remediation Documentation, 1994 Release of Petroleum Product Privileged and Confidential Engineering and Environmental Consultants, Inc. r l> CM d f�N ed o l �G.'�. 1t�#�rol in .� e � n .. waw P- C-14. TABLE OF CONTENTS .' , in gyp` a,•.-1 ] 411r PAGE en 1.0 INTRODUCTION 1 2.0 PHYSIOGRAPHIC SETTING 2 011 UP 2.1 SITE DESCRIPTION 2 s 2.2 REGIONAL GEOLOGY 2 2.3 HYDROGEOLOGY 2 2.4 CLIMATE AND PRECIPITATION 3 t • 3.0 PROJECT BACKGROUND 4 4.0 SITE EXCAVATION ACTIVITIES 6 4.1 GENERATED SOIL CHARACTERIZATION 6 4.2 EXCAVATION ACTIVITIES 6 4.3 VERIFICATION AND STOCKPILE SOIL SAMPLING 8 4.4 ANALYTICAL RESULTS 8 4.5 SITE EXCAVATION COMPLETION SUMMARY 9 5.0 INCORPORATION OF SOIL INTO HOXMIX ASPHALT PROCESS 10 5.1 PROGRAM OBJECTIVE 10 5.2 HOTMIX ASPHALT PROCESS OVERVIEW 10 5.3 ANALYSIS OF PCS CONSTITUENTS 12 5.4 PERMITTING EVALUATION 13 5.5 RECORDKEEPING 13 5.6 ENVIRONMENTAL IMPACT ANALYSIS 13 5.7 IMPLEMENTATION SCHEDULE 14 REFERENCES CITED 15 FIGURES FIGURE 1. SITE LOCATION MAP FIGURE 2. SITE PLAN; PRELIMINARY INVESTIGATION SOIL BORING LOCATIONS FIGURE 3. SITE PLAN; IDENTIFICATION OF EXCAVATION BOUNDARY FIGURE 4. EXCAVATION CROSS-SECTIONS FIGURE 5. EXCAVATION PIT VERIFICATION SOIL SAMPLE LOCATIONS FIGURE 6. TANGERINE ASPHALT PLANT PROCESS FLOW SHEET TABLES TABLE 1. RESULTS OF PREVIOUS SOIL SAMPLE ANALYSES, PRELIMINARY INVESTIGATION, AUGUST 1989 TABLE 2. RESULTS OF EXCAVATION VERIFICATION SOIL SAMPLE ANALYSES, SEPTEMBER 13, 1994 TABLE 3. RESULTS OF STOCKPILE SOIL SAMPLE ANALYSES, SEPTEMBER 13, 1994 APPENDICES APPENDIX A. SOIL REMEDIATION WORKPLAN APPENDIX B. PRELIMINARY WASTE CHARACTERIZATION LABORATORY RESULTS, QA/QC DATA, AND CHAIN-OF-CUSTODY DOCUMENTATION APPENDIX C. FIELD MONITORING AND SOIL SAMPLING PROCEDURES APPENDIX D. EXCAVATION VER 'ICATION AND STOCKPILE SOIL SAMPLE LABORATORY RESULTS, QA/QC DATA, AND CHAIN-OF-CUSTODY DOCUMENTATION APPENDIX E. CALCULATION AND SUPPORT DOCUMENT PROCEDURES TO ESTIMATE POTENTIAL CONTAMINATION LEVELS IN ROCK FRACTION F:\W P 5 I tJ S K\CALMAT\N ARAN J A\S 0 I iREM D.RP T f 1 i v EXECUTIVE SUMMARY On September 14, 1994, in response to the May23, 1994, notice of violation issued bythe P Pima County Department of Environmental Quality, the CalMat Tangerine Road Plant located at 800 West Naranja Road in Tucson, Arizona remediated petroleum contaminated soils between the 20,000-gallon Asphalt Cement Tank and the former 3,000-gallon #3 Burner Oil Tank. On September 12, 1994, soil excavation activity commenced to remove an area 50 feet in length and 35 feet in width of petroleum contaminated soils immediatelysouth of the I.. Asphalt Cement Tank. Contaminated soils were removed to a maximum depth of 10 feet (8 feet at the excavation center) which generated approximately 650 cubic yards of contaminated soil. The soil was stockpiled on top of and covered by visqueen and surrounded by an earthen berm. After completion of the excavation visual assessment of the pit verified a contaminated lens extending from the north wall to the northeastP ortion f of the west wall at approximately 3 to 4 feet below ground surface. The thickness of the contaminated lens ranged from 1 to 2 feet. Excavation of the contaminated lens could not be completed because, the location of the 20,000-gallon Asphalt Cement Tank and movement of trucks adjacent to the excavation prevented further removal of the contaminated soil. CalMat is planning to relocate the Asphalt Cement Tank and will resume excavation of the contaminated lens once the area becomes accessible. A supplemental report will be submitted to Pima County upon completion of the additional excavation. Five soil samples collected from the bottom of the excavation pit verified that the vertical extent of petroleum hydrocarbon contamination had been completely remediated from the release location. The existing 650 cubic yards (975 tons) of excavated burner oil and diesel fuel contaminated soil was analyzed foretroleum hydrocarbons, Benzene, Toluene, P Y Ethylbenzene, Xylene, and TCLP for Lead. Based on the analytical results and the soil V ' lithological make up of the soil (sandy sand and gravel), CalMat has determined that the soil is suitable for asphaltic concrete aggregate. Therefore, also included is aro osed P P workplan to incorporate the soils into CalMat's Hotmix Asphalt Process. In thisP rocess the soils will be mixed according to procedures for the manufacture of standard hot (300° to 350° F) mixed asphaltic concrete, a standard product in the sand and gravel industry. The soil would be loaded into cold feed bins adjoining the hot mix plant. CalMat plans to pave a large portion of the entrance road, about 800 x 40 feet, at the facility. i I i 1.0 INTRODUCTION Environmental Science and Engineering, Inc. (ESE) was contracted by CalMat Company of Arizona to coordinate the excavation/remediation of petroleum contaminated soil at the CalMat/Industrial Asphalt Facility (CalMat) located at 800 West Naranja in Tucson, Arizona. This report presents the results of the soil excavation activities performed at CalMat and, proposes a workplan to incorporate the excavated (stockpiled) petroleum contaminated soil into the Hotmix process Asphaltat the facility. The activities summarized in this report was completed in response to a follow-up "Order P of Abatement" letter and"Notice of Violation" letter issued by the Pima County Department of Environmental Quality (PCDEQ) on October 26, 1993, and May 23, 1994, respectively. The excavation activity was performed in accordance with the approved "Soil Remediation Workplan" submitted to PCDEQ on June 22, 1994. { 1 1 s % (-101 DEPARTMENT OF ENVIRONMENTAL QUALITY 130 West Congress Street Tucson, Arizona 85701-1317 DAVID M.ESPOSITO ,r 1" (520)740-33-10 Director r - FAX(520)882-7709 OMI f(6jk6P March 27 , 1995 Andy Siersma Manager, Environmental Affairs CalMat of Arizona 1801 East University Drive Phoenix, Arizona 85034 Re : Petroleum Contaminated Soil Remediation Workplan (your February 24 , 1995 letter) Dear Mr Siersma: We have reviewed your proposed petroleum contaminated soil workplan for the Tangerine Road facility and offer the following comments : a . Section 3 . 0 , Page 5 ( last paragraph) of the workplan contains the statement that the previously submitted workplan w,s approved by PDEQ . We can find no record of that approval . = b . The operative Title 17 rule governing the remediation of soil contaminated with organic materials is 17 . 16 . 400 . E . .,That rule requires person shall remediate such soil without reducing e, that no p�rso� actual emissions and concentrations of regulated air pollutants ( if -•`` actual emissions of such pollutants exceed 2 . 4 pounds per day) through the use of reasonably available control technology (RACT) approVed by the control officer . c . Your proposed method of remediation involves the encapsulation of the petroleum distillates within the chemically stable asphalt matrix . How did you determine that the petroleum distillates in the contaminated soil would not volatilize during the pass through the dryer drum?_.: If you estimated that less than 2 . 4 pounds per day of distillates would be released in the process ( resulting in the inapplicability of 17 . 16 . 400 . E . ) how did you arrive at that estimate? • i r j O Pnnted on RecyctediPaper • d . If petroleum distillates did volatilize and exceeded the 2 . 4 pound per day threshold, how would those emissions be controlled to meet the RACT requirement since the cyclone/multi- cyclone and wet scrubber system are control devices for particulate matter? Please contact us so that we may discuss the workplan further. Sincerely, W - Richard Grimaldi Technical Services Manager • Pima County Department of Environmental Quality 130 W. Congress Tucson, Arizona 85701 Site Inspection Report cam ' a/ Inspt. Date: 11/6/95 Closure Date: 03/4/96 (date of last correspondence) Inspector: Cyd Hillman Source: CalMat Case #: 0011 Location: 800 W. Naranja Road, Tucson, AZ 85737 9301 South Swan Road, Tucson, AZ 85726 Arrival Time: 1340 Departure Time: 1400 Photographs: NO Samples: NO 40 Reason for inspection: Routine Compliance Inspection AO GENERAL INFORMATION: 40 Description of Business: Hot asphalt mix plant Type of Operations Performed: Produce asphalt for paving, etc. Background Information: Inspector assigned this case by Stephen Wetherall. On 4/13/94 , I brought up the open Notice of 'Violation before several CalMat people attending the annual air quality inspection at Industrial Asphalt. Up until this time CalMat has been noncommittal about the soil remediation, and more so about responding to the compliance department. Status of Facility: The source is currently in compliance with Pima County Solid Waste regulations. Name and Title of official escort: Andy Siersma, Manager of Environmental Affairs. Summary of compliance events: 2/24/95 - CalMat submitted work plan for incorporating PCS with hot mix asphalt Between 3/27/95 & 5/3/95, Ca1Mat and PDEQ kept in contact about the plan in order to get the approval needed to move forward with the project. 10/4/95 - A letter from Andy Siersma to update all the activities completed and to be completed on the PCS remediation project. 10/19/95 - Andy called to inform me that the week of 10/23/95 the PCS would be mixed in with the hot asphalt and used to pave the dirt haul road leading into the plan. I wasn't able to make it there on the day they did this. 11/6/95 - I drove to the plant to verify what had been done the week before. No one was there, but I did see that from the very entrance of the haul road off of Naranja back to where the road makes a "Y" had been paved. After this field observation, Janice Day, PDEQ inspector informed me that all of the PCS hadn't been remediated. Per her conversaton with A. Siersma, there was some PCS not used due to problems with the mix running in the hot asphalt plant. This was after inspector had closed case 11/8/95. 11/8/95 - Withdrew case from P. Wagner, Compliance Supervisor. 2/29/96 - Letter received stating that project using the remainder od PCS located at Industrial Asphalt had been encapsulated with asphalt emulsion. Inspector requests that this case be closed and no further action be taken. Attachments: Letters: CalMat 3/4/96; CalMat 11/10/95; CalMat 10/4/95; CalMat 6/26/95; PDEQ 5/3/95; CalMat 4/21/95; PDEQ 3/27/95; CalMat 2/24/95 4 Signature: � ,• 1 .A 4,,\ 1 dt.Sk- . ottork°`5 4. \k . CASE CLOSURE , , Department of Environmental Quality 130 West Congress Street Tucson, Arizona 85701-1317 Phone: (602) 740-3340 Case #: CX)4Name: 0.1.Leircidh .......__ .2Ay Closure Date: ‘.)0i1,476 Reason: Remedial Action Taken Void/Cancelled Referred to: • Dismissed Settlement/Plea Agreement Trial Verdict: PCYComments: tc) td• • 4. . . ,,i4,,,.qA Inspector• ♦ �� / Date +1 _;, a4 ... �p . t ip.-44.:...,4, ♦ r -r-.4 t"+ •••44 }:e, y _ i. `I' • .' .. , -;....•,..,•,,• . ,.,,..+a•�+-�..+^+�'...--�•ys.n ...,y rt.J• 1 rf�. i,i'•,t`• • • / 'f,` •tr:' .�, 1�• y. •i,,,�`� ,,:.•♦1 !'.d r1Y�"" ,►�It r. � .. �w. '�'./'Yf1,s 1 .'.. •1r i1�1')�Y'1® ;jt. / / ' r.,.,,j�','^r 2" .•'i.'j1 ii dJ�•, •••1,'�,�•,s''h.7-•�'.d- Q (s,�'ta.•, t. a1:',+ 'S\� ✓ f I •I.•,•,icy tt.t.Manager• 1'f •.„..,. / /,• x.,-,,-....:,rt / p ',Si,'. •. .":'t.y-!h+'1'�4.•.7�i',,,.,'f n.Date. ,r• ,�►' °" IM i)a' �. 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Sr. ' v ti �<r'.j + �♦ .•t _,• r . tI 'T .r .• 42 I . :•t 'r. t.11-.1'. ..J ' ') 1, . > • 1• • ` .'� . .1 t'• ,'t 'f Ir• , .•ii • .�f t/ yy ;',aF.• 6".:ii,.. +y 0-,1::' ♦ I :f ..'; � .,t .1. 'I•4, itta H ' \t 1 I TI :r.�._ . J• ., 'r 1'. •, - •J• „,•,,.,-, •1 -4 . • f; -1` ti• .1 • .v ' •�.y,. [ ! .!t. �«` s ,. i. v i. !1f'/ '! •-!. _1� r C t _ •t i s �a? I, }I:.: ? .t'1 ) .1 fi Nb;��1441. 1.( { .l. '.M�.1 '+wl;F•is 1 f •.+ .... � •-`r.. , 1 .. , R • rr+' .a''xjss• !"t�i> JJ .i.t 1,i;`( �� P• �' 1.'t^� ,ta �;t � .i. - •,,,,t';',. I,a” t, ' "• ,,,i, fi ,t . .Atha ,ti l.•.-,.+t 11 aj.•... I . -,...w..ueos...rr#Q .ttS.., .fS - r a ''' .. R' a'.V.:."7•7�r •.1!�'•... �. ,'-. • 1 . •.•.... . . . 1' .. . '/ 1 e a 1.• • ,. •a wl'. �(•,•�� 111.t1�. )�a •a/ a • . . 1. ,.,.' ... •t.'.t. ''14<"a J,.at'+,'/.t f'a a,-, .,s, Nee, , a w Zi:i.401 •aZ11.5.�.t. .r. •S.4`,.!'): � 'r :f.1•.1•t:1'4<4 `•• 4,,,S'i.'4,44•,• , a, A ik CalMat of Arizona The CalMat Companies March 4, 1996 CERTIFIED MAIL Io_ Z 774 226 504 RETURN RECEIPT REQUESTED Pima County Department of Environmental Quality Atm: Cyd Hillman 130 West Congress Street Tucson, Arizona 85710-1317 • Re: Petroleum Contaminated Soil (PCS) Remediation projects at the CalMat Co. of Arizona/Industrial Asphalt, .Tangerine Road and Hughes Access Road Plants, Status Report Dear Cyd: On Wednesday February 28 and Thursday February 29, 1996 the soil remediation projects at the CalMat Hughes Access Road ant the Tangerine Road Plants were completed. The method utilized was encapsulation with asphalt emulsion. The material processed was utilized for construction of plant haul or access roads. The remediation method was presented in the Work Plan submitted to your office October 4, 1995 but latter revised for cold mix application and submitted November 17, 1995. Closure Reports will contain third party confirmation of the remediation projects including site characterization, soils test results and final product testing. These reports should completed and sent to you in approximately three to four weeks. If you have any questions or concerns, please do not hesitate to contact me at 528-8954. Sincerely, Andy Siersma Manager of Environmental Affairs c:\wpDocs\PC S\Hf LLMAN2.1 tr fril 1801 E. UNIVERSITY DRIVE/PHOENIX, AZ 85034/ P.O. BOX 52012, ZIP 85072/(602) 254-8465 • '. /1 ACtAiYSA-vt 4q$/ i?/"/Cal Mat of Arizona The CalMat Companies Niay 22, 1996 CERTIFIED MAIL Z 774 226 517 RETURN RECEIPT REQUESTED Pima County Department of Environmental Quality Attu: Cyd Hillman 130 West Congress Street Tucson, Arizona 85710-1317 Re: Petroleum Contaminated Soil (PCS) Remediationprojects at the CalMat Call Iat Co. of Arizona Asphalt Plant Site, Tangerine Road Plant, Completion Report port Dear Cyd: Please find attached a sampling and analysis report prepared by Environmental Science and Engineering, Inc. This report documents the soil remediationect ro' recently� c ompleted at the above referenced facility. This reports confirms the successful attempt to remediate this site. If you have any questions or concerns, please do not hesitate to contact me at 528-8954. Sincerely, Andy Siersma Manager of Environmental Affairs c:\WPDOCS\PCS\HILLNIAN4.1tr 3• rtf & f)qu E C-'? JAZ 1 1801 E. UNIVERSITY DRIVE/PHOENIX, AZ 85034/P.O. BOX 52012, ZIP 85072/(602) 254-8465 I RESULTS OF EXCAVATION OF PETROLEUM CONTAMINATED SOIL AREA BENEATH 20,000 GALLON ASPHALT TANK AND INCORPORATION OF EXCAVATED PETROLEUM CONTAMINATED SOIL INTO ASPHALT PROCESS MAY 16, 1996 I CALMAT/INDUSTRIAL ASPHALT FACILITY 800 WEST NARANJA TUCSON, ARIZONA PERMIT NO. 0293 I PRESENTED TO: PIMA COUNTY DEPARTMENT OF ENVIRONMENTAL QUALITY 130 WEST CONGRESS STREET TUCSON, ARIZONA 857014317 O/ ICgi. O 2°028 -4 PREPAREDBY: `O AL SCIENCE AND ENGINEERING, N \ 426 NORTH 44th STREET, SUITE 110 ..\ :-,, - 1 '‘< PHOENIX, ARIZONA 85008 ESE PROJECT # 6-946563 I CalMat/Industrial Asphalt Facility ril This report, including all related activities, was prepared and/or conducted byEnvironmental ' . Science & Engineering, Inc. (ESE) under the direct supervision of Mark F. Bittner, Regional Office 111 g Manager and Chief Hydrogeologist, for the exclusive use of the client as itpertains to the facility . currently operated by the client. Our professional services have been performed usingthat degreeof care and skill ordinarily exercised under similar circumstances by other h dro eolo fists and engineers practicing ng in 1 this field. No other warranty, expressed or implied is made as to the professional P advice in this report. Any use of or reliance on these reports by a third party shall be at such aa 's sole risk. rty ESE can offer no assurances and assumes no responsibilityfor site conditions or activities inquiry outside the scope of the inquiry requested by the client as outlined in this document. It should be understood that ESE has relied on the accuracy of documents, oral information, and other materialinformation and information provided by the client and other associated parties. It is recognized that regulatory requirements . . , g g ry eq cements may change, including the revision of suggested cleanuplevels, which could necessitate ' . ss tate a review of the ill discussion, findings, recommendations or conclusions of this report. Any • . , posubsequent modification, . n, revision, or verification of this report must be provided in writing by ESE. 11 REPORT PREPARED BY: ti / . ,9--‘ . ------, .4_7-7 John S.`Kim ri Senior Engineer li UNDER ;THE PROFESSIONAL SUPERVISION OF: , / , il // / / ` r /,_,/,, �, ELI'GC) Mark F. Bittner, R.G.Lt----7/ ( ...ii �� o 11 Chief Geologist, Regional Office :jf" //-` �' � c • g g Manager ,;.- Arizona Registered Geologist N :! it* p.'1 ' `D•'r?f 0 aitg g o. 26028 1,'�'r �.� 11 \I ! ::‘, E11171\1,04 Date: May 1996 �` °s P. 16, ,_ 4o, 3. �{�tiAv. --li ESE Project #: 6-94-6563 iii 111 F:\wPS1VSKiCAILMATIN�►RANJAISODL 14Environmental Science&Engineering,Inc. i _ • CalMat/Industrial Asphalt Facility TABLE OF CONTENTS 4 Page 1.0 Introduction 1 11 . r 2.0 Project Background 2 _ll 3.0 Additional Site Excavation Activities 5 3.1 Excavation Activities 5 'fi Verification Soil Sampling 3.2 P g 6 3.3 Analytical Results 6 4.0 Incorporation of Soil into Asphalt Process Activities 7 cal 4.1 Asphalt ProcessingActivities 7 P 4.2 Asphalt Sampling 8 sp P g 4.3 Analytical Results 8 5.0 Conclusions 9 L FIGURES ! Figure 1. Site Plan; Identification of Excavation Boundary (Site Location Map) Figure 2. Site Plan; Identification of Excavation Boundary Figure 3. Excavation Pit Cross-Sections LFigure 4. Excavation Pit Verification Soil Sample Location i TABLES Table 1. Results of Excavation Verification Soil Sample Analyses, September 13, 1994 JUNI Table 2. Results of Excavation Verification Soil Sample Analyses, March 16, 1995 Table 3. Results of Soil Incorporated Asphalt Sample Analyses, March 21, 1996 _DJ i l' k /5 il F:\WP51\JSK\CALMAT\NARANJA\SOILREM2.RFT Environmental Science&Engineering,Inc. 61 . Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned lana in the E half,Sec.2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 APPENDIX F SELECTED PIMA COUNTY DEQ RECORDS (Continued) Appendix F2 1994 Inspection Report and Citation Documentation Privileged and Confidential Engineering and Environmental Consultants, Inc. Pima County Department of Environmental Quality 130 W. Congress Tucson, Arizona 85701 Site Inspection Report Case No. 9404. 125 Date: 4/13/94 Inspector: Cyd Hill Pe y man 4/15/94 4/16/94 Arrived: 9 :15 am Departed: 9: 38 am 4/15/94 Arrived 8: 15 am Departed: 9:57 am Location: Industrial Asphalt at 800 W. . u Tangerine Rd g Tucson, Az . Pager number for Mike Tuck is 291-3123 Reason for inspection: Annual Air qualityand solid inspection for waste compliance permit #615. Observations and action taken: This inspection was done in two parts. Due to the phone trouble at the plant, I stopped by on 4/13/94 to make contact for inspection. pection. They were operating. I introduced myself to Mike Tuck, plant operator, and talked to him about the inspection. From p the inspection done last year, I wanted to re-emphasize what areas would be observed for compliance. Mike said that he understood, and whatever we wanted him to do, he would cooperate. ' time, he suggested that p At this gg I do the Visible Emissions test, and then return Friday, April 15 , 1994 to complete the inspection. _ p I did two sets of readings on the stack because every once in awhile, I would read 30's or a 40 . I noticed that the plume that I was reading seemed to intensify from some other source. After r the second reading, I walked over to the north side of the mixer. I observed dust escaping from near the top under the screen area. Also, I was able to see dust escaping out of the door on the south side of the mixer. Other observations were the dust and fines from the dryer chute. The cloth from the chute was ripped and nd not effective in controlling the dust. The pile of fines below the chute were al least four feet high. I could see fines leaving ng the pile when blown by the wind. I observed more fugitive g e dust from the front loader filling the cold aggregate bins. I mentioned some methods of control for the front end loader. I informed Mike of the fugitive dust that I was seeing, and told him that when I came back on Friday, I would address these items in more detail. No visible emissions were seen coming from anyduct clo work, scrubber, burner, or cyclone.ne• All the equipment was in satisfactory operating condition. I returned on 4/15/94 to complete the inspection. Frank Bonillas llas assisted me by taking photos. all We were met by Bill Mackey, District Manger, Andy Siersma, Planning and Regulations Affairs, and Mike Tuck. We began by completing the questionnaire. I gathered information from Bill Mackey regarding an existing complaint for odor. The walk through consisted of checking for permit conditions which were all in compliance. Mike started up the plant so checks could be made on the gauges and duct work. See attached questionnaire. The daily maintenance log was not at the site. Mike kept it in his other office. I told him I would like to be able to see it in the future. He agreed that this could be done. There wasn't any additional soil contamination. I asked to see the areas where the fugitive emissions points were coming from on Wednesday. We went up the stairs to top of the mixer by the screen. Directly below the screen, there were three open sample doors with a four inch build up of fines on each door. On the other side of the mixer, there was a door that was stuck open. There was a large build up of fines around the outer edge of the door_ I brought Mike's attention to the poor housekeeping up on top. He said that besides him, there is just one other man in the scale house. I informed him that I saw a problem with their fugitive dust, and that I would site them for it with remedial action. See Notice of Violation and Order of Abatement. I told him exactly what would be required and that the abatement would be spelled out for him. I asked him how much time it would take to accomplish the remedial action? He said that they would have all the points corrected in a week's time. Andy Siersma was present when this inspection took place. Bill Mackey had to leave after the first hour of the inspection. I told Mike that he should receive the paperwork on the violation sometime next week. We thanked Mike and Andy for their time and cooperation and left the facility. Regarding the soil remediation abatement order from last year: Stephen Wetherell advised me to show Mike the letter from Dave Espisito, dated October 1993 , to see what the response would be. He also advised me to ask Mike what he could find out regarding the situation and have Mr. Edmondson call Stephen as soon as possible. I did exactly as I was instructed. Mike said that he would look into the matter. On 4/15/94 , I asked the question about soil remediation because no one from Cal Met had bothered to bring it up. Andy said that Mr. Edmondson talked to Stephen and Dave via telephone in November of 1993 . I mentioned that I thought it would be best if Mr. Edmondson contacted Stephen. Immediate danger to health or safety? N/A Evidence: N/A .ti (/% 11/ r '♦ • ' 1 ,.: r .717?-?'i . 'r•.-- •�• ;,4„,....„ t 'y.4» . .`, " -••.--• '.i• . t .J., 4 ' '', ,7' �r' . .T.,,;, •. ,- s': . ;y ` '. , ,tc- .••ert {. ,:.1.,.;.;,r,,,,•,..,'•♦,. .•�ylr• ��T�(1 tom►:•• '4s ►,►( •'"�..p,q c.'r;,:f,57R. �,~ .vt+ C,♦�4,'-',„,. tiw, ��•.,ce! �':a..1::.•Kiw. 4 .r:,. f,•.;.4 `r i• •p".`�,k ''.!6f' ..;14X,14,J ,lrb,s:4" tc}l,.31.:2V.,:,,,'• . • � t' .T7, %�i4 .� gg• rN ►'Nw♦,',' f:' j *WA,:.gg� �r3,-1.Yd'`J4 ,a•1'•'4!L, .►" '-e• 4:`4•lf ,�ri`^ _,ir1 '...v 'tM,• J.; 4,,.♦ •0.(-IJ' r>.`+.�7`,�♦4"$, �N� 1r•.rr.,,^M •�' 1' tf:t f R ►�h.4+. .�41 • 4w Y 7 •0Ms + !/j'i1. . •y �,s • .{ yr1 �.� w �s �? T.�r4i ;k.•iii4'd / 'Vrc)�'+ ',',,t',�rtG4!1 +1,. ,?4.0'•is�, yr ,.++..r.. '' r•1.► r�, + j ;�• ,i:�V►r tiI�it;:. ���«� :r� .w w4,,,M y 124.1A4 3 y .i• ,:/,: .l 444,,,- .vi. r �. .� �Iy ~ , 1�7'6,, ^ ••I4 ;Mzj�4:�4 ♦r .i.V ,:.4a,, . ilt e•.n.. r . ,.y7t • , aa ` . �. t,Z�R, s1ry �1- r : > ,, •;/ » 1�� M1 ,r' ., ✓ .,. > T•.' 't � .. s i .1,..04,1:6!:', , Pi . • . • t. •• PIMA COUNTY DEPARTMENT OF ENVIRONMENTAL QUALITY 130 WEST CONGRESS STREET TUCSON, ARIZONA 85701-1 31 7 TELEPHONE: (602) 740-3340 9:05 A.M. DATE: 4-13-94 TIME: PC 9404-125 Mike Tuck/Industrial Asphalt NAME OF RESPONSIBLE PARTY P.O. Box 50367 Tucson, Arizona 8 57 41 ADDRESS 800 W. Tangerine Rd. Mixer, Screen area, fines stockpile, cold aggregate bins. LOCATION OF VIOLATION Pursuant to the Notice of Violation('NOV")which you have been issued,you are hereby ordered to abate the condition that is the subject of the NOV.Accordingly,you must: . Within 5 working days after receipt of notice of violation ensure that the following is done and maintained: A. The v osure of sample doors under screen B. The closure of the door on side of mixer C. The build up of dust fines around openincrs cleaned and maintained. D. The repair and lengthening of the chute from dryer E. Fines stockpile kept wet or equivalent method used to minimize dfut. F. Front end loader takes precaution to avoid fugitive dust when filling cold aggrega bins G. Upon completion, send PDE2 a corrective action plan addressing the above (?-F) . Outline format is acceptable. Send to inspector's attention. Failure to comply fully with this order may result in the assessment of additional criminal fines and penalties against you. Mike Tuck/Industria' Asphalt Served Upon -Title a., Date Environmental Investigator METHOD OF SERVICE: x or ,3 MAIL IN PERSONf 1, • ., . _ • , 4-(".ilt-L , , a, Aie • '' . ' :. . .., . . ' 4.. -!,'- . ' . . NOTICE OF VIOLATION • ti PIMA COUNTY DEPARTMENT OF ENVIRONMENTAL QUALITY 130 WEST CONGRESS STREET TUCSON, ARIZONA 85701-1 31 7 4-13-94 TELEPHONE: (602) 740-3340 •9,o 5 A.M. DATE: TIME: PC 9404-125 Mike Tuck/Industrial Asphalt NAME OF RESPONSIBLE PARTY P.O. Box 50367 tucson, Arizona 85741 ADDRESS 800 W. Tangerine Rd. Screen area, mixer area, fines stockpile, cold aggregate bins. LOCATION OF VIOLATION You are hereby notified that the Environmental Investigator named below has reasonable cause to believe you have violated the environmental laws of the State of Arizona and/or Pima County as follows: P.C.C. 17,16.060 Fugitive dust producing activities. P.C.C. 17.16.110 Storage piles. No person shall allow particulates to become airborne from dust producing materials stacked, stored or piled. Remedial action is required to come !into compliance with the above regulations. See the Order of Abatement. You are further notified that legal action may be taken against you in an appropriate court in Pima County as a result of this violation. Mike Tuck/Industrial Asphalt Served Upon -Title 4-18-94 _////47/ Date Environmental Investigator METHOD OF SERVICE: X or MAIL IN PERSON CERTIFIED # P C85 576 196 .-I (See Reverse Side) -..Tk •• j 0"\- w�" 77 •Vii_'ry,r r- '� .'9 T *d 74'' ;,04;'.mow'i''d'<< kirT,+ ;.-7 .-,,ifT'?.rT7 -Y4r f4 , T• p ,s.-A- 1 tT4•''M'jC'�N�'T.4.1,7 '� 4' , vMM y' �•� � ',•„ ' - i } fes.. �1 /. tn'6." t• `: 1 t t .�M� r .l'f� , i • t{.•y.�s'-•I''.. r . .l, :,•'f- r•. • r...,y•1• .,; t'•,u�.r.t•:::..•! •,•� .• ... • 1 ..1` .r• .,ice-;•.4-' {•«1'.:.♦� •i 11.'M•'•••'t. .,.. -••'...♦.. 1 N•y+• H.. ( ...t• 1• .<4,-t•,R 1,. ..- ',:' F•... :',,,.t••••• .;• "r'1-i. j •' - a' 4. `yJ' !►.'.-. •.9:1'f - +J ',y' .a+•. .« 1, "F +� y.[ �i °Fa. ♦• ~♦'„q>Mlv. .!'- ; Nr .y .. r-!�.�• •.3��e•R,, • �/•y�v �,-��4'y};r•: , ''-' •r'+•l,')� • ••t�'••,'+vi' «�`3 `1' •'•�Iy t•./ f..{, r;;♦ .• ! / ,. ;.... ,:•1' ,r '1. J't" 'rl•r.' j�1'r' 7:::„•;W !'••!•{►''' t•/ ,Iw 'it ••,3t v f• lni•• q•y'..i. ,,• . 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LOCATION OF VIOLATION Pursuant to the Notice of Violation('NOV')which you have been issued,you are hereby ordered to abate the condition that is the subject of the NOV.Accordingly, you must: 1. Within 5 working days after receipt of notice of violation ensure that the following is done and maintained: A. The closure of sample doors under screen B. The closure of the door on side of mixer C. The build up of dust fines around openings cleaned and maintained. D. The repair and lengthening of the chute from dryer E. Fines stockpile kept wet or equivalent method used to minimize dfat. F. Front end loader takes precaution to avoid fugitive dust when filling cold aggr eaa" bi n s G. Upon completion, send PDF() s corrective action plan addressing the above (1.-F) . Outline format is acceptab?-e. Send to inspector's attention. Failure to comply fully with this order may result in the assessment of additional criminal fines and penalties against you. Mike Tuck/Industrial Asphalt Served Upon -Title /// /1,/ :'(/ (.(17"-7/ f/.,/,./(://',7-, 7 , ..- Date / Environmental Investigator METHOD OF SERVICE: or Z, MAIL IN PERSON Attiv%/A • Cal Mat of Arizona The CalMat Companies CERTIFIED MAIL RETURN RECEIPT REQUESTED Pima County Department of April 29 , 1994 Environmental Quality 130 West Congress Street Tucson, Arizona 85701-1317 Attn. Cyd Hillman Re. Notice of Violation # PC 9404-125 Industrial Asphalt I received a copy of the above referenced NOV Wednesday April 26, 1994 and respond here to the items listed on the NOV. Pleased be advised that all the items listed in the NOV were responded to or mitigated by the evening of April 15, 1994 and the plant was not operated until after all remedial actions were completed. The following is a list of activities taken to mitigate the items listed in the NOV: N►`1. Sample doors; Action taken- Cleaned off doors, applied sealing material, close doors and lock in place. C7S:2 Mixer door; Action taken - Cleaned off door, applied sealing material to door faces, close and bolt door shut. \B . Dust fines; Action taken - Cleaned off dust and wiped area down. 4 . Dryer chute; Action taken - Replaced material sleeve from cyclone discharge pipe and extend. FinesP ile; Action taken - Spray down area when passing NN6 with water truck as required. Front end loader; Action taken - Instructed loader operator to drop material slower and closer to the truck bed or piles to limit air turbulence which may cause billowing of dust. If you have any questions or concerns please do not hesitate to contact me at 254-8465. Sincerely, Andy Siersma Manager, Planning and Regulatory Affairs Central Arizona C:\AIRIPD EQHMA.LTR cc Tom Newman, Bill Mackey, Mike Tuck 1801 E. UNIVERSITY DRIVE/PHOENIX,AZ 85034/P.O. BOX 52012,ZIP 85072/(602) 254-8465 ..--:\s.sucLi .,,,_ z. ;1 , '-M1 1� • •1 f'1'�R 1. T l� T'-• j�,)A L, 1 1� �'1 1� ` I j�i t l.. 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UNITJ ST FEES L^CATI N ASPHALT BATCH PLANT EASE r EE 1 1 01 =' CC HOT MIX '"'• PLANT:\1 T 1�A/'... ,+ �'\1r+ _i ••�. (SN . .+T �• ( TPH ) �'!r 1 '1� .�T-t�7�'► 1/ �+,Tr2 PLANj MODEL S ( 400 `J•1�.:0/ .-'J0 1 01 i HOT MIX � 3 r ST (DIESEL) 100`00 \1 01 5150 HOT MIX 4 F EEDER: (HP) '5 C' 17r HOT MIX S FEED BELT (HP) 15 \ ' 015033 HT MIX _: 6 ELEVATOR (HP) "moi^ 1 01 , 30.33 HOT T 1 T '_. MILL (HP) Cn 1 r1T �r7PUG _ 150 1 01 5033I�.._ 8 ASPHALT PUMP (HP) 25 1 01 5035 HOT MIX 9 AIR COMPRESSOR (HP) .20 2 01 5035 HOT MIX 10 FU EL PUMP BURNER (HP) \ 5 1 01 5035 HOT MIX 11 EXTRACTON FAN (HP) 200 1 01 5035 HOT MIX . 1 ':' LOW PRESa)RE WATFR PUMP (wo) \10. \I 01 3C.::3 HCT .'-'= ,Z' .13 • HOT OIL HEATER (HP) 5 1 01 5035 HOT MIX ,E_ EE_• 4 DEPP.P.T^1EN T OF E NVIPONMEN T r+L QUALITY COMPLIANCE INSPECTION •=�. PERMIT NUMBER: 615 0 SOURCE : INDUSTRIAL ASPHALT ITEM DESCRIPTION CAPACITY UNITS ST FEES LOCATION 14 . 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' '- ' ... • it,I'Criof,te;titeitrwirinirryt,r.................................-•..............--...-.••.• Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land,in the E half,Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 APPENDIX F SELECTED PIMA COUNTY DEQ RECORDS (Continued) Appendix F3 1995 Inspection Report 4.1 .O • Privileged and Confidential Engineering and Environmental Consultants, Inc. p Pima County Department of Environmental Quality 130 W. Congress Tucson,- Arizona 85701 Site Inspection Report Industrial Asphalt Permit # 0615 Case No.. 9 5 0 6 1 o TL Date: 6/1t/95 Inspector: Cvd Hillman Arrived: 8 : 20 AM Departed: 11 : 00 AM Location: 800 W. Naranja Road Reason for inspection: Level II Air Quality inspection Observation and action taken: I met with Ed Schaefer, an Electrician and former plant supervisor. Ed Sweda , plant operator was also present ;hen I introduced myself and explained the nature of the inspection. I went through the source checklists and made notations . There haven't been any chance in operation since last year. They manufacture between 225 tons and 250 tons an hour of asphaltic concrete. They can not � J exceed 300 tons an hour per permit conditions. One breakdown was recorded on 5/4/95 for the screen deck. Non-compliance of permit conditions When I asked to see the differential pressure gauges for the scrubber and the cyclone , Dave Sweda informed me that both maanehelic gauges have been inoperable since the end of May. The piping_ on both the cyclone and scrubber needs to be modified for the differential pressure gauges. I asked why it was taking so long to get the necessary repairs done , Dave answered that May had J been very busy. I asked to see their log. It was as he stated. I asked to see maintenance loas , and they were at the APEX plant. Last year , I mentioned to Mike Tuck that maintenance loos should be kept at Naran i a Road for verification of necessary checks . repairs . . and calibrations to the air polluting control equipment. I informed both aentlemen that this was not in compliance with the permit conditions. I told them that I would cite Ca1Mat for this deficiency._ It specifically states that the air pol lutin control equipment includina cyclones , scrubbers , water lines . spray bars , nozzles and pumps as well as all instrumentation , auaaes , and associated pressure lines ( includina periodic calibration as necessary) and operated in aood working condition at all times during normal plant operation. A steady , upward trail (no more than two feet lona) of brown • r ' particulates were observed coming from a small hole in the ductwork from the blower to the scrubber. I remarked that they would also be cited for this. • Miscellaneous Concerns. The r �-ti s dust �- r r..-� the 1 /�^r7 4 r iv .�t= the crushed i n h r3 , r r rock i r�*- 1 ha /. I..&'.d i V.J.Y c VlLds 4 L 1 o11 1 he .1,ox.1..1.1.s1✓1 of he cJ.tdshcd t.i L.lal 1 Y Lock i11 4..J -1, cold material's feedar Ji_ • The emissions were not crossi1n t�Y I�t^ r�i•-f! lines 1 v�/�r• v,r•1 /'.r1 1; /'.�1 � dissipated 1 r y-/� the air Y -_�y- about twenty Nl oI.Jei 4 Y lines and \,/Idickl� into the air a�. five feet. Also a low, horizontal du-4- olult G Mould .7�G11 Colt1111`A off of the feeder belt once the material dr o ned form bili # i (crushed rock quarry) . The driver of the front end loader was droppingthe material very slowly. Back at the control room. I asked why water couldn't be introduced somewhere along the line to 1t11.11.,L1 1..LG t11G �~.l4ij v? 4LL4 t Mike and 'Duane kala v G 1 ie several reasons• The most immol`aiIt was that the finished product t t wouildn!t meet specification. Duane Wetherbee, Apex Plant Manager said that within six months , they would be changing to a 3/8 inch washed material. a, other point of concern was a very small leak of transfer oil Wily 411ci fumes f r vm the hot asphalt jtor aae tank. A pipe had come off and 4+- 1, been r r 1, r n ,. t metal c 4 t-4-O r n 4 +-4 4 r n wasn't i 4 had 1✓eei1 t�•1lbl4�ucd W.L. h a 1 S.4 4111�1 • 111G 11 44 11�1 sufficient to stop 4he-_ fumes. • Recommendations O to keen some maintenance record of the APC eu u i✓i en at the lcin t', o 4-- p�.i t V sand r, -1 when loading r�n �-). 1 i3 r bins 2 sand on last hen loadin 411e cold feeder bins as Vo Le dust on the feeder belt, o to repair the nine leaking transfer oil fumes. Andy said that he would call Andy v L a rsia i their helr p; C rm l 4 and co pliance person in Phoenix to expedite the repairs scheduled in the near future. Immediate dancer to health or safety? m i A Z'4r. 7nrnn 1: Y.l.ic111..c• Ins ec4Vr!s observations. r_r , .' • • ,v , -.c . , 7* le„r4,,,,i,, . .,.,• • - , • N. .t: r VIOLATION . NOTICE OF VIOLATION PIMA COUNTY DEPARTMENT OF ENVIRONMENTAL QUALITY 130 WEST CONGRESS STREET TUCSON, ARIZONA 85701-1317 6/14/95 TELEPHONE: (602) 740-3340 DATE: TIME: AM PC9506-100 Industrial Asphalt , Permit #0615 / Attn: Andy Siersma NAME OF RESPONSIBLE PARTY 1301 E. University, Phoenix, AZ 35734 ADDRESS 800 West Naranja Road, Tucson, AZ 85737 ' 4 LOCATION OF VIOLATION You are hereby notified that the Environmental Investigator named below has reasonable cause to believe you have violated the environmental laws of the State of Arizona and/or Pima County as follows: P.C. 17 . 12 .180 8. a. - Permittee shall comply with all conditionsf 0 the permit . Permit # 0615 Failure to operate aif±er enti al pressure lines and gauges on crr��zTor r _. _ e arid w-�-•- scrubber at time of normal plant oPeratio,- Particulate emissions leak in ductwork from: 'owPr to scro11-h1,P r Remedial Action Required: S e e Order of Abatement You are further notified that legal action may be taken against you in an appropriate court in Pima County as a result of this violation. Anj-27 S' t rc a , P.e ionaI Environmental Mana-c;eer. Served Upon -Title ,.1 l '? f 1 '1/ '1 /�I / . (7_,...///I -W/Azz)/k7,P1/ Date V Environmental Investigator METHOD OF SERVICE: ;\, or MAIL IN PERSON I ,' i (See Reverse Side) I 1. S • • ABATEM.ENT } • - -- PIMA COUNTY DEPARTMENT OF ENVIRONMENTAL QUALITY ----� - 130 WEST CONGRESS STREET TUCSON, ARIZONA 85701.7_1317 6/14/95 TELEPHONE: (602) 740-3340 9 : 00 AM DATE TIME PC9506-100 Permit #0615 Industrial Asphalt NAME OF RESPONSIBLE PARTY 1801 E. Unive-r si ty , Phoenix. , AZ 85734 ADDRESS 800 W. Naranja Road, Tucson , AZ 85737 • LOCATION OF VIOLATION • Pursuant to the Notice of Violation('NOV')which you have been issued,you are hereby ordered to abate the condition that is the subject of the NOV.Accordingly,you must: To Meet Compliance- Wi t yin one week from receipt of document , submit .A.:! iR 1 i..i.i t , c c o i i e c L i ve o.11°.1 d L II"i i CI i which you will omplete the following items : . modify and repair pressure lines to cyclone . • hnsure p'_GS5 UL C �i f f€ en ia. sria.L.L !De I[iaii:Lajied a := 2 . 0 inches w. c at - ,. ell times during plant operation. • M.ouL:y anc. Z cpa i . essu e to k.4-et SCr uDDei . 4 . Ensure scruDher pressure outlet shall be maintained at >= 4 . 0 acnes w. c . au a i.::tes dt,:r iiiy plant opercz:.1CfS . Abate part icula_es teak on blower ductwork to scrubber . c . 11 a�'..L. s in . une.:i anle , e.e p 1iiL?iC:'.. L'.f ...:li v t�i���,i • x eCommen:t at i ons : • Minimize _unitive dust on feeder belt . n C.ee p air poi! . :ior. at Gspha .L ti.:.an: . • ��►: '. _i^ SYt1a . .;.€7,.:.`1 a-- c r,l s i e r Failure to comply fully with this order may result in the assessment of additional criminal fines and penalties against you. Anty SI.arsma , Erv....1=r.,entalManage.. Served Upon -Title /17., / C 1/4f7//f',(i/• Date /.-' Environmental Investigator METHOD OF SERVICE X or 0)-1 MAIL IN PERSON 1 , CalMat of Arizona The CalMat Companies July 7, 1995 CERTIFIED MAIL No. Z 382 840 382 RETURN RECEIPT REQUESTED Pima County Department of Environmental Quality 130 West Congress Street Tucson, Arizona 85701-1317 Attn: Cyd Hillman Re: Response to Notice of Violation # PC9506-100, CalMat Co. of Arizona/Industrial Asphalt, Tangerine Road, Permit Number 0615 Dear Ms. Hillman: This letter provides the status of compliance efforts at the CalMat facility located at 800 W. Naranja Road in Pima County, Arizona. These include: inoperative pressure gauges and a leak in the ductwork at the asphalt plant. All of the items listed in Order of Abatement dated June 14, 1995 have been corrected as of the date indicated per item: OL 1 . Modify repair re air P ressure lines to cyclone: Action taken repairs were made June 29, 1995. Changed location of gauge housing, re-routed supply lines to reduce dust accumulation. 2OLL . Ensure cyclonic pressure differential shall be maintained at > = 2.0 inches w.c. at all times during plant operation: Action taken - Pressure gauges will be monitored penocically and recorded. Dated completed: Thursday June 29, 1995. 3. Modify and repair pressure lines to wet scruocer: Action -aKen - repairs were made June 29, 1995. Changed ?ccat:on of gauce 'ousing, re- routed supply lines to reduce dust ac;umuiat:cn. (1/.43/ Qc.\i 1801 ~ �V� ���. 1/\. Atr7.. 35v3 .... .r.r•\ ..C.. � 4. Ensure scrubber ressure differential shall be maintained at > = 4.0 4 t(4-- p S 'f inches w.c. at all times during plant operation: .C. Action taken - Pressureau es will be monitored periodically and 9 9 recorded. Dated started: June 29, 1995. CL 5. Abate particulates leak on blower ductwork to scrubber: Action taken - repaired hole in duct June 29, 1995. Recommendations: Minimize fugitive dust on feeder belt: Response - Appropriate controls to be utilized. Keep Air Pollution log at asphalt plant: Response - Operation & Maintenance log has been initiated. Repair sma1! leak at transfer oil pipe: Response - All leaks and ,spills are contained in secondary containment to assure no discharges to land occur. Repairs will be made during scheduled tank decommission and maintenance. If you have any questions or concerns, please do not hesitate to contact me at 528-8954. Sincerely, 411110, Andy Si-rsma Manager of Environmental Affairs C:\DOC,AIR\HILLMAN.LTR c3/(P r•/ I' (0 Ay' I PERMIT NUMBER: 615 STATE CLASS: II AIRS FACILITY: A TRS: 12 13E 2 UTM N: UTM E: EFFECTIVE DATE: 5/01/93 EXPIRATION DATE: 4/30/94 `' cA LAST INSPECTION: 3711/97 INSPECTION SITE BILLING ADDRESS CALMAT COMPANY OF ARIZONA CALMAT COMPANY OF ARIZONA 800 W NARANJA RD P.O. BOX 52012 TUCSON AZ 85737 PHOENIX AZ 85072 t' Mike -!✓'✓K CONTACT PERSON: SHIVER < AER-2- 8-4-4-8-9j- 629-0460 GEOGRAPHIC CODE: C STATUS: OPERATING AREA CODE: 1 IN RECOMMENDATIONS DATE COMPLIANCE? SIGNATURE FSR: 1 , ^,(' ' , REVIEWER: X-' , - _9g/ Zili .. PERMIT CONDITIONS: 0615 EMISSION INVENTORY FORMS: 06 VE PERMIT: 615 COMPANY: CALMAT COMPANY OF ARIZONA ITEM DESCRIPTION CAPACITY UNITS ST FEES LOCATIO? 1 ASPHALT BATCH PLANT BASE FEE 1 1 01 5030 HOT MIX 0F ' 7-2, t 2 PLANT MODEL ST400 (SN ► •�! 3) (TPH) 250 1 01 7777 HOT MIX 3 FST (DIESEL) (GAL) - 10, 000 _ 1 01 5150 HOT MIX 4 FEEDERS (HP) 3 5 01 5035 HOT MIX 5 FEED BELT (HP) 15 1 01 5035 HOT MIX 6 ELEVATOR (HP) 60 1 01 5035 HOT MIX 7 PUG MILL (HP) 150 1 01 5035 HOT MIX 8 ASPHALT PUMP (HP) 25 1 01 5035 HOT MIX 9 AIR COMPRESSOR (HP) 20 2 01 5035 HOT MIX 10 FUEL PUMP BURNER (HP) 5 1 01 5035 HOT MIX 11 EXTRACTON FAN (HP) 200 1 01 5035 HOT MIX 12 LOW PRESSURE WATER PUMP (HP) 10 1 01 5035 HOT MIX 13 HOT OIL HEATER (HP) 5 1 01 5035 HOT MIX 14 GATHERING BELT (HP) 10 1 01 5035 09T7 MIX 15 DRYER (HP) 125 1 01 5035 HOT MIX 16 5 X 16 SCREEN (HP) 35 1 01 5035 HOT MIX 17 ASPHALT PUMP (INJECTION) (HP) 20 1 01 5035 HOT MIX ' 12/29/97 DEPARTMENT OF ENVIRONMENTAL QUALITY COMPLIANCE INSPECTION 2 PERMIT: 615 COMPANY: CALMAT COMPANY OF ARIZONA ITEM DESCRIPTION CAPACITY UNITS ST FEES LOCATION 18 ASPHALT PUMP (HP) 10 1 01 5035 HOT MIX 20 BURNER BLOWER (HP) 75 1 01 5035 HOT MIX 21 SCHAUVENGE FAN (HP) 25 1 01 5035 HOT MIX 22 HIGH PRESSURE WATER PUMP (HP) 4.0 1 01 5035 HOT MIX 23 LPG PETROLANE TANK (LEASED) (GAL) 250 1 61 6710 HOT MIX ****************•****************** LAST ITEM ********************************* • PIMA COUNTY AIR QUALITY CONTROL DISTRICT PERMIT CONDITION 0615 ' e) Industrial Asphalt - /14 p It 600 West Tangerine Road --1. Production Rate - Production of asphaltic concrete shall not exceed 300 tons in any 60 minute period. 2 . Cyclonic Pressure Differential - Delta P across cyclone shall be maintained at >= 2 . 0 inches w.c. at all times during plant operation. 3 . Scrubber Pressure Outlet - Shall be maintained at >= 4 . 0 ,, ,-f inches w. c. at all times during plant operations. 4 . Water flow meter at pump discharge to scrubber shall average at least 700 gpm. 5. All air pollution control equipment including cyclones, scrubbers, water lines, spray bars, nozzles and pumps as well as all instrumentation, gauges, and associated pressure lines referred to herein shall be maintained (including periodic calibration as necessary) and operated in good working condition at all times during normal plant operation. - w CASE CLOSURE Department of Environmental Quality 130 West Congress Street Tucson, Arizona 85701-1317 Phone: (602) 740-3340 Case #: T6.0 .e.'10 0 Name: 060., '''(1\61-- Closure Date: .� Reason: Remedial Action Taken Void/Cancelled Referred to: Dismissed Settlement/Plea Agreement Trial Verdict: Comments: Kpur - ' • 7k,L-Nr (4 `I iI 111/L/Ll,P&/ C) f isc c�1 r ..„ /1L43 Dr? . 0 Inspector: Date: /// • _ 4eManager. /� Date: :. COMO i .As.,, r•s. -t, .I,a i ;, �y"'? ti4 � � �, ��. t _ n, }.w;.• . 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S• . -• 4' 1 ( 13V0 . k)4\-\ ClitiCkcp ?,YA 4-6-6 Ciirn • kp4 k/V7- - t\\11.,f sKr4 ifszt•Lc-,)f /Zittlf —) S ctc.C. kt\ctit0 4,41\ tfrt) cvk\)( - 2.4 ( — ( )cL pivN ck ‘v\Padva 411/ Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned landin the E half,Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 IP APPENDIX F SELECTED PIMA COUNTY DEQ RECORDS (Continued) Appendix F4 1998 Inspection Report Privileged and Confidential • mo* Engineering and Environmental Consultants,Inc. M PIMA COUNTY DEPARTMENT OF ENVIRONMENTAL QUALITY FIELD SERVICES DIVISION 130 W. CONGRESS STREET TUCSON, AZ. 85701 Permit #: 615 Date: 1-26-98 Inspector: Janice Day Source: Calmat Company of Arizona Location: 800 W. Naranja Road Arrival Time: 11:15 a.m. Departure time: 12:00 p.m. Photographs: Yes Samples: No Reason for inspection: Annual Compliance Inspection GENERAL INFORMATION: Description of business: Asphalt Concrete Plant Type of operation performed: Asphalt Batch Operation Background information: There have been several complaints registered against this facility in the past four years. Only one Violation Notice, PC9404-144, was issued from these complaints. PC9506-100 was issued following an inspection at the facility. Both violations have been resolved. Status of facility: At time of the inspection, facility met requirements of Titles 17 and 7. Name and title of official(s): Mr. Mike Sweda, Plant Operator Mr. Mike Tuck, Plant Manager 1 of 3 I used PDEQ entry procedures to initiate this unannounced inspection. A complete permit, including the conditions, is posted in the control room. Mr. Sweda said that he understood these conditions. 17.16.210 - STANDARDS OF PERFORMANCE FOR ASPHALT CONCRETE PLANTS This hot mix plant was manufactured in 1972. Photo 1 Since this location has depleted the aggregate on site, material is hauled in and stockpiled around the plant. A water truck is used to minimize the dust emissions from the aggregate and haul road. Calmat is not maintaining an hourly log of their production rate. Mr. Sweda said he only recorded their monthly production. I asked Mr. Tuck to demonstrate how Calmat was meeting the maximum allowable production rate of 300 tons per hour. Mr. Tuck stated that this plant could only produce 4 tons per batch. Depending upon how fast the material can be loaded, a batch may take 1 1/2 minutes to 3 minutes to produce. However, if one calculated a batch a minute, this would still be 60 tons below the maximum allowable production rate. Mr. Sweda said he may run 180 tons per hour if everything went smooth. The cyclonic pressure differential gauge is monitored by the operator and is clearly labeled on his control panel. During my inspection, I observed readings of 2.4 and 2.8 inches of water. The scrubber pressure outlet was being maintained between 4.4 and 4.8 inches of water. These readings are within the allowable parameters. The operator records the cyclonic pressure and scrubber pressure readings monthly. I found these monthly readings within the allowable limits. A water flow meter is not being used as Calmat uses a pump that is rated at 1200 gallons per minute. A kill switch will shut the plant down if the water flow falls below 700 gallons per minute. Calmat has an evening maintenance crew that keeps the equipment in good operating condition. The Plant Operator keeps a close watch on the equipment and reports any problems to the Plant Manager and/or the maintenance crew. During the batching procedure, I observed the emissions from the stack. Using Method 9, I found an average opacity of 15.2%. The allowable limitation for this facility is 40% opacity. See the attached VE form for further details. 07.29.030 - RESPONSIBILITY FOR STORAGE 8z. DISPOSAL OF SOLID WASTE I did not observe any solid waste around this location. The diesel tank and liquid asphalt tanks are inside diked containment areas. There was no evidence of leaks or spills. EXIT INTERVIEW A brief review of applicable standards for this facility was given. Mr. Sweda and Mr. Tuck were advised to contact our Business Assistance Section with any questions regarding 2 of 3 environmental concerns. Following the inspection, I told Messrs. Tuck and Sweda this facility appeared to meet compliance requirements set forth in Titles 17 and 7 of the Pima County codes. Attachment(s): Photo Hot Mix Checklist Complaint History Records VE Form 0'12 3 of 3 • PIMA COUNTY DEPARTMENT OF ENVIRONMENTAL QUALITY • FIELD SERVICES DIVISION 130 W. CONGRESS STREET TUCSON, AZ. 85701 RM. Permit #: 615 Date: 01-26-98 _Inspector: Janice Day Hot Mix Asphalt equipment manufacture date 8 / / 1972 Hot Mix Asphalt equipment constructed or modified after June 11, 1973 is subject to New Source Performance Standards. Standard for particulate matter is < 20% opacity. Any new equipment installed or modified since last inspection? Yes X No Is the equipment in good working condition? A. Cold aggregate conveyors: (1) Are there any emissions from the aggregate? Yes X No (2) Are there screens in the cold side aggregate? Yes X No (3) Are mist sprayers being used to control dust? Yes X No B. Burner: (1) Does the housing have cracks or holes? Yes X No (2) Is the fuel atomizing pressure adequate? X Yes No (3) Are emissions coming from the burner? Yes X No (4) Is there puffing around the burner opening? Yes X No (5) What type of fuel is used? On Spec Fuel Oil �y= y HOT MIX ASPHALT PLANT 1 of 5 C. Dryer (1) Do dryer seals leak? Yes X No (2) Are emissions coming from intake flap gates? Yes X No (3) Are emissions coming from product discharge chute? Yes X No (4) Are collector valves working properly? Unknown Yes No (5) What is the temperature of the dryer? Ave. 350 degrees Fahrenheit (6) Is the dryer operating smoothly? _X Yes No I � D. Duct work: NA (1) Are there any fugitive leaks from the duct work? Yes X No Inspect closely around bends, elbows and transition pieces. (2) How often is duct work inspected or material buildup? DAILY (3) Are there any piles of dust near or under duct work? Yes X No (4) Are there dents, rust, holes or cracks in the duct work? Yes x No E. Wet Scrubber: NA (1) Type of wet scrubber: Venturi (2) Is this a positive pressure system? or negative pressure system? X (3) What is the pressure drop across the scrubber? 4.4 " water (4) Inlet temperature: 320 deg F Outlet temperature: 270 deg F (5) Water flow rate: Between 700 gpm and 1200 gpm (6) Nozzle operating pressure: 60 psi (7) Is the water pump in good condition? X Yes No (8) Are there any leaking pipes, valves or tubing? Yes X No (9) Are there holes, cracks or corrosion in the housing? Yes X No (10) Does the facility use a liquid recirculation system? X Yes No • so-5 HOT MIX ASPHALT PLANT 2 of 5 (11) Pressure of the recirculation pump: 60 PSI (12) Does the facility use a settling pond or basin? X Yes No (13) Size of settling pond or basin: 20 FEET X 20 FEET (14) How often is the pond or basin cleaned/dredged? APPROXIMATELY EVERY 6 WEEKS (15) When was the pond last cleaned? DECEMBER 1997 (16) What is the liquid turbidity and pH? UNKNOWN (17) Are water droplets, muddy rain or both coming from stack? Yes X No (18) What is the venturi throat settling gap in inches? S" (19) Have control device parameters changed since last source test? Yes X No (20) Are there any differences in control device parameters likely to increase emissions? Yes X No F. Baghouse X NA (1) Is this a positive system? or a negative system? (2) Pressure drop across the baghouse: (3) How are fines removed from baghouse? (4) Are there leaks from the fines removal system? Yes No (5) Are there fugitive leaks from housing? Yes No (6) Inlet temperature: deg F Outlet temperature: deg F (7) What type of cleaning system is used? (8) How often are the bags cleaned? (9) Are there visible emissions during cleaning? Yes No (10) Is compressed air pressure for cleaning adequate? Yes No (11) How often are bags checked? (12) How are bags checked? (13) How often are bags changed? z iLQ HOT MIX ASPHALT PLANT 3 of 5 G. Plant Tower X NA (1) Are there fugitive leaks from housing? Yes No (2) Are there holes, cracks, or signs of corrosion? Yes No (3) Do overflow chutes discharge onto the ground? Yes No H. Fan NA (1) What type of fan is it? PADDLE WHEEL (2) Is there excessive vibration from the fan? Yes X No (3) Are there visible emissions? Yes X No (4) Is there excessive noise coming from the fan? Yes X No (5) What is the location of the fan? NEAR THE BURNER I. Asphalt Storage NA (1) What is the capacity of the asphalt tank? 30,000 GALLONS (2) What type(s) of asphalt is stored in the tank? BITUMINOUS (3) What is the pressure at the pump? ? (4) Is the pump in good condition? X Yes No (5) How is the asphalt heated? ELECTRIC (6) What is the temperature of the asphalt? 300 DEGREES F. (7) Are pipes properly insulated? X Yes No (8) Are the storage tank openings adequately covered? X Yes No (9) Does the asphalt storage have vapor recovery? Yes X No (10) Are there emissions from the storage tanks? Yes X No (11) Are there signs of spillage around the tanks? Yes X No (12) Is there a sampling tap? X Yes No C'111/1 HOT MIX ASPHALT PLANT 4 of 5 J. Hot Oil Heater NA (1) What type of oil is used? #5 ON SPEC USED OIL (2) Temperature of the oil: 160 degrees F (3) How is the oil heated? ELECTRIC (4) What fuel is used to heat oil (if applicable)? (5) Pump pressure: (6) Is the pump in good condition? X Yes No (7) Any signs of leakage? Yes X No (8) Are there any emissions from the heaters? Yes X No K. Storage Bins X NA (1) Are there emissions from the storage bins? Yes No (2) How many bins are there? (3) What is the capacity of the bins? (4) What is the temperature of the bins? degrees F. (5) Are bins insulated? Yes No (6) How many bins are heated? (7) Are bins ducted to a control device? Yes No L. Fugitive Dust NA (1) Are there dust emissions from haul roads or storage piles? Yes X No A portion of the haul road is paved. A water truck minimizes dust emissions on the dirt road and material storage piles. Facility in compliance? X Yes No 0/ HOT MIX ASPHALT PLANT 5 of 5 . . .all-4 CV 1 A-717- co . CF _A .( _akii . / 3,26,mo, // 4' 7 I ZI________________:5-c*: S -,• 0 FS 66 . O 02n I�� ..ti -ASOUPG IO NUMBED ......I -7E.,eso itc- ,--- gg-'7 3/7 3 AC— /S-- Ar log.0 _ _ ,.....eiier/9er+18027 — ( • 4--/Ov PMCNE(Kc. C..V C7) I 6/,5" 4 /5-- . ,zo .z7.7 6 /3-- SS ECUIPMEN OP ►;ING MODE . . I ,S .[POc _ IAc,p4ILL+ A- CL. 6 ie /6 '/D `°• ti C.,NTRCI_EQUIPMENT OPERATING MODE SC-8RA-Ao 64-"i ...c.-,....4.k. 7 I/e, /e) OE3CSISE EM:S.SICN POINT 8ot-t_t_S-Li t,',.:, k C -<- _ t21 3,4-,__cam. J A Po 2, Plu,Nlik,k__, 9 • 10 { I I HEIGHT :,6�VE G�CUNO LEVEL 14E1 RELATIVE TO OESE.;VER 11 • e. () - Sart ✓ End C1STANC: 7=""1A CBSERVER. 1 DIRE: 'SON FROM/035 EA 12 I L _i5 " End I Start WV Eno 13 u:5C.7.Icc _MiSS:CNS IA Sart Du..., ---t-g4., End --MISSION COLCR IF WATER DROPLET PLUME 15 I I Start<3P.€U Elul ► A>+amied C Oetacted 1 fi PC:NT :N r PLUME WHICH CPAC.:Y WAS 0 ,!.RMINED f I , �� 4�1T�� t�J�'aZ ����=.. Enda �7 S.= � • D. 3.n!S_ PU.iME BACKGRCUNO 18 Sar' .S-0 :nct i 19 3ACKG-1CLNO :rrr:..�A • 310: NCMCN5 44 tai � k1� S=r. fit, i-- u ._, _d Start ' CI.0 c,- SEric 7.0 WINO SPEE:: 'HIND OIRE•I+CN i I r _ ZT I 1 Smr: L„' and nd• Start •- `",a f ,;mBi=NT 1,IP wE'i BULB':.MP H. per=ern -, Start ri Ov End i ' = _ Stacx SCURC` LAYOUT S E H Draw Norm Arrow I I with2' I Plume i 1 I sun i ZS ` I YHinC .a- :5 i f :trusion P' nt 1 { I I 1 2S I I � 1r` ll /'i 6,,,,'V'' 1 I ?.. "':`, 30 I i 1 { •!t`1 OBSESv "S NAME(PPINT) O sel"er s? ,tton :.. ti A(7. . DATE OesoWiFi-S SIGNAT.I.TE 1 /4 1* ,‘,4--e..ii.. 1. -•-t-I l /-C=/:: //c. ) Ila � CIf.r►r.Old , Sun 1.acatsn lane /•{2. Di .62 _ ^^ ,,..,-,1/Fico 3Y �• .aC;i-:CNAL cNFCRM.�-C:1 ed-it..--Lie0-7"-- c, C x--Z, .L.,. �.) >,y / P { 1 I -tea County Environmental Quality�� CONTINUE: CN vE0 FOA�+t NUMBER I I 130 W. Congress, Tucson, AZ 85701 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land,in the E half Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 APPENDIX F SELECTED PIMA COUNTY DEQ RECORDS (Continued) Appendix F-5 Notice of Transfer of Permit to Sunward Materials Privileged and Confidential m,, Engineering and Environmental Consultants,Inc. ,,'f S Phoenix Office Tucson Office :,'- ,�„' *AND -10 North Central Avenue One South Church Avenue Suite 7(X) ' '.:' '.x,L Phoenix.Arizona 8500.4—.4429Tucson.Arizona 85701-1620 . i -,�•• :� - - SCA _ Facsimile (ti0�)=6�-57-t? Facsimile (520)622-308e, MCI ID: .ti f. ' LLP Telephone(602)262-5311 Telephone(520)622-209 • L '�Vc' Y E R Robert F.Roos :. Our File Number wr (602)262-5779 28253-00038 ��•• Interne::rfrOlrfaw.com J _ May 28, 1998 VIA HAND DELIVERY Richard Grimaldi, Technical Operations Manager PDEQ 130 West Congress Tucson, AZ 85710 Re: Transfer Notice for Permit No. 615 held by CalMat Company of Arizona Dear Mr. Grimaldi: Enclosed is a permit transfer notice for Permit No. 615 currently issued to CalMat Company of Arizona. As you will see from the enclosed notice, the permit is being transferred to BCW Inc., dba Sunward Materials ("Sunward"). Since Sunward does not intend to operate theP lant at this time, the operations at the Tangerine site will cease at the close of business on Friday. Sunward reserves the right to resume operation of the plant and may relocate it to the Apex location. Also enclosed is Lewis and Roca's check in the amount of 5318. This sum is intended to pay the transfer fee for this permit. I also have enclosed an extra copy of each transfer notice. Please stamp the extra copy of the transfer notice with PDEQ's filing stamp and return them to me in the enclosed self-addressed stamped envelope. As you will see, each transfer notice includes a list of equipment that will be transferred to Sunward by CalMat as well as an agreement that provides for the assumption of permit responsibility by Sunward. Please note that the agreement specifically references permit applications and revisions that have been filed since late 1994, and these applications and revisions are also being transferred to Sunward Materials. If you have any questions about any of the materials we are filing with you today, please call me. We very much appreciate your attention to this matter and look forward to working with you. Very truly yours, Robert F. Roos RFR/js Enclosures 28 fn`- I `7 - �� r1, 731790.01 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned land,in the E half Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 APPENDIX F SELECTED PIMA COUNTY DEQ RECORDS (Continued) Appendix F-6 1999 Inspection Report Privileged and Confidential Engineering and Environmental Consultants, Inc. '` 720 DEPARTMENT OF ENVIRONMENTAL QUALITY 130 West Congress Street Tucson,Arizona 85701-1317 DAVID M.ESPOSITO (520)740-33-40 Director FAX(520)882-7709 04-16-99 Permit #: 615 Sunward Materials 2625 S. 19th Avenue Phoenix, AZ 85009 RE: Annual Inspection, at 800 W. Naranja Road Dear Permit Holder: On 3-30-99 the Pima County Department of Environmental Quality (PDEQ), Field Services Division, conducted an annual inspection of the above-referenced facility. Observations during that inspection revealed no problems or violations and the site to be in compliance with all � applicable regulatory requirements. A inspection P�y of the ' ction report has been included with this letter to document the satisfactory completion of the annual inspection. If you have any questions regarding the inspection, please contact me at (520) 740-6902. Sincerely, z!' )! et-c-}/ Janice A. Day Sr. Environmental Enf. Officer Enclosure(s): Inspection Report, dated 3-30-99 _ cc: Ms. Kathi Lawrence, Field Services Manager G:\FIELD\PERMITS\615\99-04-16.LCC • r4 . Printed on Rec ydeo Paper F(o ' PIMA COUNTY DEPARTMENT OF ENVIRONMENTAL QUALITY YIELD SERVICES DIVISION 130 W. CONGRESS STREET TUCSON, AZ. 85701 NHIREP::;,0,RT„ 44- Permit #: 615 Date: 3-30-99 Inspector: Janice Day ;�"'"'"`` ;� Source: Sunward Materials Location: 800 W. Naranja Road Arrival Time: 9:30 a.m. Departure time: 9:50 a.m. Photographs: No Samples: No Reason for inspection: Annual Compliance Inspection GENERAL INFORMATION: Description of business: Asphalt Paving Type of operation performed: Asphalt Batch Background information: This facility has no records of complaints within the last three years. Our data base has no history of violations. Status of facility: At the time of the inspection, this facility met requirements of Titles 17 and 7. Name and title of official(s): No one on site. • Upon arrival at the entrance on Naranja, I noticed there were no company business signs. A new chain was strung across the gate entering the site. I went to the back entrance off of Tangerine and once again encountered a new chain blocking the entrance. The area previously occupied by the asphalt plant was now vacant. A notification on May 28, 1998, transferring the CalMat permit to Sunward Materials, stated that operations here would cease. However, they were reserving the right to resume operation of the plant. At this time, there is no activity. #1 • G:\FIELD\PERMITS\615\99-03-30.5 TR 1 r60-3 2 ) i 72.7 .',:. • ,_)c.P A R T M T-4.\1: (-)17 • .t `.1,:: FT‘' : ;-', 1:7. 71,T2 C T._` S`'_-, : '', I .-, :R S FA C I r-I T`i- : \ TS : U : 7 2 11.\1_\: 11-,f 7 . - 7; : 7_ : 5 l . 1_. • 1:: `,77 /.2, 1 /9.', 7:'--_PiRkrN 011 : %41 .... , -- r• i _i_ , , ..:, _ ._ L., .. _._. ,. ,,,, _ cv.- v-ARAYJA RI- •-• .-, ri5 S . 19TH AVE:,-Lr E .: 7 P, 7.!, 7 1-)': .T:T.7.2‘ T_ ': :1.- ..), , ,.,C1') 7. .,.; , , 007.2...CT PERSON : STEVEN KNI-7)S7_\- 17,-- 1 , 1 _...,,%.i ill 520- 744-25(11 7-r1, - TLT .' CODE : r alp `.7:', - _ :---, • c',P7J-- -T AREA CnDE : ..! 7". I., 711COENn31T-rn:\S „1-) %7-7_, ,__ COnPLIA:\:CE? Q-, v , T7-7,7 .._, L,:., - 1. L1,_ FSR: d-go __r v , ,,,,,.._e,c.. c- 26-2... 4 i , , ,.. — ii :-'27_RMIT CONDITIOS : 0615 - _ T02-,. T:\,IsT:\TORY- F0i-iS : 0 VT ---„-- . .:- - 7 i:E. P3,',-.Y : ...,UN'A- R1-_; MATERIALS CAPACITY UNITS ST FEr_-_- TC,CA-T-7:- . - - :_•,. : -------:,1,.. - :'2,7. 7 RA s 7 1:7-; - -, - 7,- L. , - _ _ ._ , :,...,, _ 1 _., 46 :,' -1:JLA\T ‘ifDDFTL, 5T40() ( s\ 089721 ( TPE ) 251) 1 01 7777 HOT MIX 2 -t- , L . , /- ,,,, ) , :) , .: .; 1 07 :71 .::,n i_i; ;7 :%11X IN . :_7". .,0- ( HP ; ,-) 5 01 5035 HOT M-:-`:_ _,... 7, 7'.- FD BELT ( .;4_,-, 7.1- , 1 01 5035 HOT MIX f-; ELEVATOR ( HP) f:;i, 1 ni 5035 HOT MIX 7 PLO ‘.I i 1 7 ( 1-1P ) 15I (Y 50 .5 HOT W.--..;. 8 ASPHALT PUMP (HP) L,.,7.) 1 01 5025 HOT MIX 9 ATR COPRi_s;Snt,', (HP ) 20 2 01 5035 HOT MIX 10 FUEL PUMP BURNER (HP ) 5 1 01 5035 HOT MIX 11 EXTRACTON FAN (HP ) 200 1 01 5035 HOT MIX 12 LOW PRESSURE WATER PUMP (HP) 10 1 01 5035 HOT MIX 13 HOT OIL HEATER (HP ) 5 o 1 01 5035 HOT MIX 14 GATHERING BELT (HP ) 10 1 01 5035 HOT MIX 15 DRYER - (HP) 125 1 01 5035 HOT MIX I 16 5 X 16 SCREEN (HP ) 35 1 01 5035 HOT MIX 17 ASPHALT PUMP ( INJECTION) (HP) • 20 1 01 5035 HOT MIX , • . ,, • • . ..) - '• -4-) _.-, . . 7)7.PAR-M7*.\-777. ‘ 1;.:-.: IF\TAL Qi. ALITI LIWAPLIACE 7.- SPECT:c.) .- 1 ,, .,...,,_ PM imp • • ,.,I :: , 7 !-. 1 ::, CD .-'•,. ',. : SIMIA4D .4.ATI::::,',TAL -•r-. - r+7:%:., -r, , --••'r 7,-,- C..,PAC'TTY '. TS ST FEES (:)( ATT,,7,.,,-. t L•.,., ON ' :i r C')!A!c' I, ;;-I? :: ..\! 7, .: : ,70: F..: HOT 17:.N — . ::,. .i..; ,-,''..:k. .0) T-,..j c;,,,,;• i-; ( H-,7. ) 7:7; fs-'; I 5 0::.,:7, Ho T .:1 i x - .L. •_,,- 1 I..7t'- " I-.'I:7 L"..., ,.. :A.% r u ID , IA , I f) 1 • D.35 HOT m Tx .'. Rt {t. I p-,';.7.:(.:,s.I.. R._;-: :';.2% r T- ',-; P L \•;:-:s fH.;-' :;- ; 1 CE .7,!h).:7 HOT 22 LPC., PETROLANE TANK ( LEASED ) GL_ . fA .-, .., , • .,,., 1 AI -.:710 HOT .1-T1 TA:,--T :T7'..1 irrot,Q ,lio ,.<_il ...., .. ro .. _ PIMA COUNTY AIR QUALITY CONTROL DISTRICT PERMIT CONDITION 0615 1. Production Rate - Production of asphaltic concrete shall not exceed 300 tons in any 60 minute period. 2. Cyclonic Pressure Differential - Delta P across cyclone shall be maintained at >= 2.0 inches w.c. at all times during plant operation. 3. Scrubber Pressure Outlet - Shall be maintained at >= 4.0 inches w.c. at all times during plant operations. 4. Water flow meter at pump discharge to scrubber shall average at least 700 gpm. 5. All air pollution control equipment including cyclones, scrubbers, water lines, spray bars, nozzles and pumps as well as all instrumentation, gauges, and associated pressure lines referred to herein shall be maintained (including periodic calibration as necessary) and operated in good working condition at all times during normal plant operation. • • • • •�v • Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned landin the E half Sec. 2, T125,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03469F, Oro Valley,AZ 85737 APPENDIX G COMPLETED ENVIRONMENTAL QUESTIONNAIRE Privileged and Confidential Engineering and Environmental Consultants, Inc. :42 .2.......,. .....-: 12,, :7,=: 1-5,2,- ,2 r • -4 /6..v V-( 22K-71- c-,/e;r2-- ,7 4Jzc, ...� ‹.7-2 s .-- 6� F•NVIRO MENTAL QUESTIONNAaE t�q Jit 'v'i;f: ASTM E 1527-97 S� 1 '�:.�0 i�' i� t IF lntcrviev,' Fr--- • I! I to the "best of your knowledge." If the answer to any question is "YES," please I Please respond to each question - Wherereference anyrecords that are available and note them ir. :he indicate the source of the information. possible, refer n record. However, there is no requirement to search out records that you do not have. ji comment section to ther li L.--- - ..................______________- AP ddress or description of the Property: Relationship to the Property: Length of Time Associated with the Property: Name of the person completing this questionnaire: lit s STION Initials: it QUESTION ;► 1, ;, IlPlease Circle Your Response Date: y, 112._ (x Is the roperty used for an industrial use?41. i• liCarnments: Nitt No O 1 1 kP' /' 11 ii ie i iib• is any adjoining properly used for an industrial use? CorirnentI 1 e J ' S li I. ism }S Pa. Did you observe evidence or do you nave any prior 'Knowledge :: e nrore��• has oeen used for an industrial use in the Hast? , �_^ er:::: 1j 1 Ugh. Did you observe evidence or do you have any prior knowledge that any adjoining property has been used for an industrial use :n the past? CpITL^:e'^t.S. a 'i i 1 otor repair facility, ,, Is t.hc property used as a gasoline station, m 1 o coru:�.,erciai printing facility, dry cleaners, photo developing laboratory, junkyard yard or landfill, or as a waste treatment, storage, disposal, processing ) y T 1. i - Yes '�o �:.�:.��c�• or recycling facility (if applicable, identify which)? ` Comments: 1 ii 3b, Is any adjoining property used as a gasoline station, motor repair facility, i! dry cleaners, photo developing laboratory, '� cozamerc i:�I printing facility, p g � il • or astreatment, storage, disposal, processing Yes No �:1�:,oy�r. it junkyard or Landfill, a waste treatme P or recycling facility (if applicable, identify which)? II 1Corrm.ents: i 1 ti L li r 7 Phase I ESA: Questionnaire g...- / - :1 QUESTION f initials: II II Please Circle Your Response Date: you observe evidence or do you 4a. Did have any prior knowledge that the property has been used as a gasoline station, motor repair facility, dry i cleaners, photo developing laboratory,junkyard or landfill, or as a waste (7' Unknown Y cs � t storage, disposal, processing or recycling facility (if applicable, treatment, g , P identify which)? - Comments: u have an prior knowledge that any 4b. Did you observe evidence or do yo Y P er been used as a gasoline station, motor repair facility, !� adjoining property it cleaners, photo developing laboratory,junkyard or landfill, or as a (i NoClink,nowr�yYes 'w to treatment, storage, disposal, processing or recycling facility (ifii as li applicable, identify which)? }l Comments il 1; SI _ automotive or industrial Arc there currently any damaged or discarded Sa. of attez•ies pesticides, paints, or other chemicals in individual containers ' P 190 L) in the aggregate, stored on or r • ,, >5 gal (19 L) in vo!,.: c or 50 ga. used at the properly or at the facility? 1 I Comments: !: `! " � �owleCgp try; t;1ere 15b- did you observe evidence or d0 you hive any prior i have been previously any damaged .. or discarded automotive or Indus:r ial { batteries, or pesticides, paints,' ain or other chemicals in individual containers (19volume or 50gal (190 L) in the aggregate, s:crcd , of>5 gallons Yes - �.�(.. 7 !. 11 on or used a: the property or at the facility? { ',Comments: 1 3 fl I i fia. Are t ae ctuTently any industrial drums (typically 55 gal (20S r )) or + i sacks of cbemicaLs located on the property or at the facility? 11Comments: . li . Yes --) 11 ti' , e e evidence or do you have any prior knowledge tl,.nt there �ib�- D.� J01 OOS CV eepreviously any industrial drums (typically 55 gal (208 L)) or .nav_ b np chemicals located on the property or at the facility? - �; sacks of h Yes :�'o L�il;:i:o•��: F, ii Comments: it u observe evidence or do you have any prior knowledge that'll/ ;l ?a. Did you ` dirt has been brought onto the property that originated from a yes No `'' 'r'c�� ` i contaminated site'? �I Comment: I I J P:ige2 f-' Phase I ESA: Questionnaire C-—2 j 11 Initials: i QUESTION Please Circle Your Response Date: 7. DidY ou cbscrve evidence or do you have any prior knowledge that fill dirt been brought onto the property that is of an unknown origin? Comm ,,� Yes ( o ) Unknown cats: 1.1 3a. Are there currently any pit,.ponds, or lagoons located on the properly in 11 connection with waste treatment or waste disposal? Comments: , Yes ri Unknown l l —I]` r ` f� Sb. Did you observe evidence or do you have any prior knowledge that there �� have been previously, any pits,ponds, or lagoons located on the property , in connection with waste treatment or waste disposal? I'Ei Yes No Unknown hi, :�es Comments: s ---I; it 9a. Is thtle currently any stained sod on the property? ;; .Comments: s„t t i. YesCi"75;0:. �n_know , i9b. Did you observe evidence or do you have any prior knowledge that there II �t beer, previously, any stained soil on the property? f :, �� has Yes No L'n�:r;o���:; �, �lCommenta: { li I_ r dere currentlyari�• registered or un egistered storage tanks (above orll l Oa. any �tr!�'f+ t I underground) located on the property? t t ommen ts: ., , _� C �� Yes �o� -n.-.no..li I' 1 IJ 1I1110b. 1Ob. Did you observe evidence ar do you have any prior knowledge that there, 11 have been previously, any registered or unregistered storage tanks (above ► at 1 or underground) located on the property? l Yes Ccins�ents: } - t I E il I, currentlye :here any vent pipes, fill pipes, or access ways indicating a f ll Pc iF protruding from the ground on the property or adjacent to any ; ! Yes stricture located on the property? t Clo-f) Unknown Comments: , V Page 3 or 7 Phase I ESA: Questionnaire .---3 ''" 'L..:, i I v ::::',A - moi �► ..v.. e---,...‹... ;:-.....i.•. .. QUESTION lnitinis: Please Circle Your Response Date: lib you ou observe evidence or do you have any prior knowledge that there have beesF reviously, any vent pipes, fill pipes, or access way indicating , a fillProtruding from the P i e ground on the property or adjacent to any Yes C.I___N:0 ` Unknown located on the properly? Comments: 12a. Are there any currentlyflooring, drains, or walls located within the facility that are stained by substances other than water or are emitting foul odors? Yes �o Unknown Comments: 12b. DidY ou observe evidence or do you have any prior knowledge that there have been previously any flooring, drains, or walls located within the that are stained bysubstances other than water or are emitting foul '-� facility PS .,.`,. .1�1k own 4' odors? i II II Comments: f ii t A � 13a. if the property is served by a private well or non-public water system; is there evidence or do you have prior knowledge that contaminants ha�'e I c been identified in the well or system that exceed guidelines applicable to Yes ?wo Unknown the water system? ; !' !I 'Comments: III, ,13b. If the property is served by a private well or non-public water system , ,; there evidence or do you have prior knowledge that the well has been ; any government/health agency? designated as contaminated by .'� , . ., ♦:.� �:.i 1.r:1:...-..:',•-..,� Comments: 14. Does the owner or occupant of the property have any knowledge o. ;� environmental liens or governmental notifications relating to past or i i ii r; environmentalt violations of laws with respect to the property or any faeility located on the property? E Comments: es - o aknown 1 if li of the property been informed of the past i 1 Has the owner or occupantP P � l 5 a. � existence of hazardous substances or petroleum products with respect to ' the property or any facility located on the property? Yes o Unknown I Page 4 or 7 Phase 1 ESA: Questionnaire - e.._. y li LU ESTION Initials: Q ;� ''I e Circle Your Response onse Date:P11 I ►I 15b. Has the owner or occupant of the property been informed of the current ; existence of hazardous substances or petroleum products with respect to !! the property or any facility located on the property? P P No L ilk no�� h Yes Comments: 0 11 ►15c. Has the owner or occupant of the property been informed of the pastii existence of environmental violations with respect to the property or any i on theproperty? 'i facility locatedYes TV p 'Unknown �i Cou�meuts: i if ;i ISd. Has the owner or occupant of the property been informed of the ct:.rrent t! i' existe ce of environmental violations with respect to the property or any i+ facility property? l located on the - :7; " i1Co1111nen : Yes -- }I l , �� �r'V 'JC�it~Cp� c'� �� ± 16. Does the owner cr occupar. of the property hay an, kro environmental site assessment of the property or facility that indicate IN l the presence of h hazardous substances Cr petroleum produc:S on, or _ ! `, .� �- ilrry or coir,.mended further assessment o: the No '...:r:.,-...-.(,),,:-..; contamination o:, th.. p►ore.�t re,. ... .. . property? • Illi i; ,s; Does the owner or c• ir:.,•:r c the property know 1! _ re ng lawsuit: or adn1�administrative p `ee inc2s ccnee:7:: I.,.. ---- .. threatened, o. �✓c.nuta:.� .-. .,,�1is::�,. ., �,ce rciease or ' V a d substance or etroieur: ' L���t�^t.4 :e_esse C: any ria., r cru.. s D - C-7...../`. 1 .. o '.:aa�a..,PI :1` ✓ry LI by any owner or occ:. ern: .L.e "_ proaucts I.-tv�i CC• it property? IlCom.rrients: If tit wase watt:: Cn or adjacent to tae pronertL°i sa. Does .•rte property e:sc;iar�e _ property :. 4 li other than storm watintostern-. w to wer sys en-.. _ ^ 1/' r •V V. �;CoTram nt5- ..-,- . :Co - f f 1 18b. Does the property discharge waste water on or adjacent to the property 3. :I i other than storm water into a sani�.ry sewer system? 1 Unknown `� Comments: ► Yes N o l f, Phase I ESA: Questionnaire 0- ',c 1 I• �i 1 QUESTION In tints I I Please Circle Your Response Date: Did you observe evidence or do you have any prior or know c g that any + hazardous substances or petroleum products, unidentified waste i materials, tires, automotive or industrial batteries or any ochwaste Unknown er o_ materials been dumped above grade, buried and/or burned on the Yes ., I property? - Comments: ;I 1 , hydraulic equipment for which il ?0. Is there a transformer, capacitor, or any by � e records indicating the presence of PCBs? 1! them are any Yes No Ur�no���c� Comments: Yes li 1I . a r �S P.Pe ter��on ly::� ::;:•.�.:�, .r.. [21',22;and:23: :'.Government ReeordshlistorIcal Sources Inqui�:`bit:: ._ .. p _ _ .i -v`• ',;14 y!..**sz .♦z::..-.�tiCw.'z.4.;�'cz, Jrri1'.rti 2 .4 +./JdrV.••:I.• moi••.. •:;.,•rv.:\•. .t.• .. •1 .\-t• ..r .�' •..•.......�.. •�.�/'' . •. .• , 1.`.tb\•riG�`,.•.$T�l�+ 1 l M��!�'��!�•.,►��/+•},` •��}�",_y►►1....r+•rpt::•.v•.......,.,y,�y,';'.11•...T�, -.•••••-:--- ... { ........... ' .�•:�'-:1- *' 4�`�j'' •��' C 'NSIb TIONS T.I 7C1:�7DE'D:7Th, �- , ' .. �f:��.i•moi •1 r�' - '.Iii}•.;•� ��"� I��•�''f.•, .�^.y ,' . • -• �. �• �.�l I•1. f,: '• .. 't ,..•♦v"';•• :;:7 ��r+!V...rJ.•!d 1'.5Q • 'z',-.` .:'i i �:. ..r --�:.� •1J•/•. ...ry... ..a W}.yy i r.'.: ••✓ w .••1 }`rY!S'��:... "4 7':!..,.c.:,-..:;,-.,;:;,",,..,.'h i 1.;)4 What year was the building(s) constructed? ii IDo you have any records of, or do you suspect, asbestos conta:ring 0i!II materials in any building on the property? !Comments: ts: ;'t25. Vicon Gas: Do you have anyrecords to indicate 'ri n building radon il ,eves? ti�,,s .., , rL•. 1 ICornmen:s: ; 26. Lead Paint: Are there any records of, or do you s,.:.pcct that the building contains lead paint? :Yes '� -,�, f7 t� C orr12I''aCI1:S. 17::r. i Drinking Water: Are there any records o f, or do you suspcct, ,, Lead n �,. � the building? 1 ' high lead values at the cap in S Yes ;�;o 1,;I:•:...:o�.•: : Comments: i ! X28. Do you know of any special re,�ourees, such as archeological resources, i` floodplains, wetlands, endangered or threatened species on the property? Yes NoTv ILtCIlo�,�'r, 1 Comments: Phase 1 ESA: Questionnaire 6 . 6, Cri----- QUESTION lnttrAs: ei C ti 1,' Please Circle Your Response Date: , ►29. Types of Environmental Permits (Numberof Permit & A � � e; No lilK110'.4"n II all that apply: M aim Conservation and Recovery Act Aquifer Protection Permit ;` Storm Water Discharge Permit 11 Air Quality Permit fl Wastewater Pretreatment or Discharge 1ti Septic Tank System 11 Other (List) i1 r 1 i 11 .r� II 30. Mechanical systems: .. r Type of heating: . 1j il 1 Type of cooling: .. .. i .. .• Mme/ . IT Political Jurisdiction (Name o{City or County): il . III ••:,7 } p32. a,d Si "pie provide the name of supplier):Utilities Services fit,.II .._ v�••• t i • EleCtr ici ty: i� {' �. Natural Gas:III il. fl. ., %a ter: 1 = S cover: II .. Telephone: . .. Solio Fast,, Removal: � = ►; em • ♦ 1. •r' - Hazardo�1s waste R o a Police Depattrnent' .... .. li t ,.re Deoartmetl:: , , Y 3 . ._ . . ,. :-..__.....-1, . . r Cable TV: IISchool District i �J Check if there is a sketch map or other information on the back of Leis s ce Phase I ESA: Questionnaire 6 —7 Phase I Environmental Site Assessment October 29, 1999 170.62 Acres of state owned landin the E half Sec. 2, T12S,R13E, G&SRB&M EEC Job No. 99079 Pima County Assessor's Parcel 224-03-169F, Oro Valley,AZ 85737 APPENDIX H EEC STAFF RESUMES I • Privileged and Confidential Engineering and Environmental Consultants, Inc. EXPERIENCE PERSONNEL J. CHUCK HOLLINGSWORTH, PE Title EEC Principal Engineer Education Background Polytechnic Institute of New York, 1979, Mr. Hollingsworth, Principal Engineer in charge of all environmental M.S.,Environmental Engineering services for EEC, has 24 years' experience in environmental and civil University of Connecticut, 1973, engineering. His experience spans assessment, planning, remediation, B.S., Civil Engineering facility design, closure plans, and numerous other engineering and Registrations • environmental services for land, air and water resources in industrial, Registered Professional Engineer municipal, federal, and private sectors. (Sanitary),Arizona, 13695 Registered Professional Land Mr. Hollingsworth's particular specialties are groundwater Surveyor,Arizona, 16838 mechanics, surface water quality, underground storage tanks, and Registered Professional Engineer q y' g g (Civil),Arizona, 19229 municipal and industrial water and waste systems. He has assessed Registered Professional Engineer and designed practical, effective solutions for radioactive and (Civil),California,C50204 hazardous waste landfills; leaking underground storage tanks; Registered Environmental Manager, asbestos and pesticide contamination; solvent spills; and air pollution. Nevada,EM-0017 He has designed site, water and master sewerplans for numerous Certified Water Treatment Plant gOperator,Arizona,02997 developments. He has also conducted environmental audits that have Diplomate-AAEE (Hazardous saved clients hundreds of thousands of dollars in real estate Waste Management)88-30017 transactions and legal liabilities. Certified Remediation Specialist Memberships Mr. Hollingsworth will be providing quality control and oversight for Arizona Society of Professional your project, ensuring cost-effective work that meets or exceeds all Engineers environmental regulations. (Past President of Southern Arizona Chapter) Relevant Experience Includes the Following Projects: Arizona Water Pollution Control Association over 15-year period. Examples American Water Works Association Fort Huachuca - Many projectsy Southern Arizona Water Resources include a sewage study to determine costs and modifications to Association upgrade the waste water treatment plant for base expansion. Asbestos Southern Arizona Environmental surveys, historic building surveys, and Environmental Assessment Management Society and FONSI for expansion of airport runway. Also Principal Engineer Past Board Member for The Underground Storage Tank and Hazardous Waste Management American Red Cross (Chairman for Under g gDisaster Services Committee) Contract (DABT63-93-D-OO1 0). This involved surface and subsurface Board Member for Marshall Home soil investigations, groundwater investigations and monitoring for Men programs, soil and groundwater corrective action programs, landfill Scoutmaster-Boy Scouts of closure, disposal of hazardous and investigative derived wastes, America regulatory negotiations, and hydrogeologic studies. Conducted full scale seismic survey, for Environmental Impact Statement. Lockheed Aeromod Center - Project Manager for construction of hazardous materials storage facility, and air sampling, testing and engineering and design for a large-scale UV-ozone air pollution control facility. EEC ?ER NCE OF PE SONNEL CHUCK HOLLINGSWORTH, PE Page two Davis-Monthan AFB - Water system needs study, including test drilling for new water wells and expansion and modeling of existing distribution and storage system. US Air Force, Hughes Aircraft Company, Tucson, AZ Designed improvements to hazardous waste treatment plant and prepared Part B permit, including closure plan and contingency plan. Designed innovative double-lined lagoon system and hazardous waste pumping system. Designed solvent recovery and recycling project for all TCA degreasers used on property. Department of Defense, Environmental Logistics Task Force, Washington DC - Developed feasibility report for use of mobile incineration technology for disposal of hazardous wastes at multiple Defense Department sites in the Western United States. University of Arizona Page Ranch Landfill - Complete site assessment, facility design, closure, and post-closure plans for the only permitted hazardous waste and low-level radioactive landfill in the State of Arizona. Developed soil and water sampling plans to characterize the landfill's potential for off-site contamination. U.S. Army Corps of Engineers - Miscellaneous open-ended contracts. Prepared incinerator permits for Navaho Army Depot, Flagstaff, AZ; and hazardous waste mobile incinerator feasibility study for Utah DOD facilities. Minorec Mining Chemicals - Tucson AZ Prepared Environmental Impact Study for chemical treatment process plant to determine potential environmental impacts by the industrial operations. Project performed on behalf of the San Xavier Development Authority and Tohono O'Odham. City of Tucson - Project Manager for numerous environmental audits and assessments, asbestos sampling and management plans under AHERA, and design of Hazardous Materials Storage Facilities. EEC EXPERIENCE OF PERSONNEL KEVIN A. PIERCE Title EEC Field Manager,Environmental Scientist Background Education University of Colorado, 1991, Kevin Pierce is the field operations manager for EEC. He has B.A. Geology-Geography overseen the assessment of soil and groundwater at over 100 Trainingleaking underground storage tank sites. Additionally, he has 40- our OSHA Health and Safety been the field manager for the installation and maintenance of Trained numerous soil and groundwater remediation projects, including 8-Hour Health and Safety Training soil vapor extraction, excavation and treatment, groundwater for Managers/Supervisors um and treat systems, in-situ bioremediation systems, and OSHA Confined Space Entry pump Management Training landfill methane monitoring and treatment systems. ADEQ Geophysical Assessment Methods, Relevant Experience Includes the Following Projects: ADHS Environmental Sampling Training Underground Storage Tanks - Primary field geohydrologist CPR and First Aid involved in all aspects of assessment and remediation of U.S.Department of Labor Mine Site Hazard Training contamination resulting from leaking underground storage tanks, RCRA compliance investigations, and CERCLA and WQARF Memberships (State Superfund) remedial action programs. Specialization in Member Arizona Hydrological site management, soil and water sampling, modeling of Society subsurface contamination, remediation techniques, report preparation and liaison with regulatory agencies. Luke Air Force Base - Managed field operations for Underground Storage Tank Program. Performed subsurface soil assessments at 10 sites on base. Performed all field work, logged all boreholes, conducted agency liaison, and prepared all LUST Site Characterization reports. Fort Huachuca Army Post, Arizona - Field manager for numerous ongoing soil and groundwater assessment and remediation projects over a 5-year period. Tucson International Airport - Managed field installation, operation and reporting for numerous projects at main fuel farms. Oversaw installation and field management of successful in-situ bioremediation project at "B" fuel farm. LUST case successfully closed. Also conducted soil gas surveys at underground storage tank sites to determine if soils and/or groundwater have been impacted by releases of petroleum hydrocarbon based products. Managed installation and operation of soil and ground water remediation pilot study systems to determine the applicability of remediation techniques at individual sites. EXPERIENCE CF PERSONNEL KEVIN A. PIERCE Page two Responsible for field monitoring, maintenance, and compliance testing for several ongoing soil and groundwater remediation systems throughout southern Arizona. Systems include soil vapor extraction, in-situ bioremediation, groundwater treatments systems, and groundwater free product recovery systems. Landfill Assessment and Monitoring - Field manager for the installation of methane monitoring wells at numerous active and inactive landfills owned by the City of Tucson and Pima County. Performed soil gas monitoring for the presence of methane at multiple landfills owned by the City of Tucson and Pima County. Performed system trouble shooting and repair at sites equipped with methane extraction systems. Field manager for use of hollow-stem auger and percussion hammer drill rigs to perform subsurface exploration and assessment of landfills and surrounding soil and groundwater. Performed subsurface sampling for the presence of Volatile Organic Compounds and other possible contaminants associated with landfills. Preventive Soil Venting Systems - Managed design and installation of preventative soil venting systems at multiple dry cleaning facilities. Systems installed to mitigate the possible effects of an accidental release of dry cleaning solvents. Phase I Environmental Site Investigations —Provided site investigation services and research on various investigations pertaining to Phase I ESAs, including those for the City of Tucson, Tucson Airport Authority, and numerous private section clients. EEC EXDERI ENC } O ., PER. SoNJNIE .._. SYLVIA H . Ross , RG Title EE C Senior Geologist Phase I ESA Manger Background Education M.S. Groundwater Geology, Sylvia Ross has more than 30 years of experience in solid and University of Idaho, 1965 hazardous waste evaluation; design of landfill liners, covers, and B.S.Geology, operationsplans; environmental compliance audits; Phase I and Phase University of Idaho, 1963 p p II environmental site assessments; groundwater quality and quantity Registrations evaluations; and well drilling for monitoring and production. She has Professional Geologist:Arizona, been employed as a consultant, as a water-well contractor, as editor of _ California,Idaho a major publication for water-well contractors, and as an employee of Certifications investigative and regulatory government agencies. 40-Hr OSHA HAZWOPPER 8-Hr Supervisor Ms. Ross also has almost 25 years of experience in environmental AHERA Asbestos Building investigation and report preparation. Since 1980 she has specialized Inspector inpreparing reports for environmental investigation and facilities AHERA Manager-Planner p g Niton Instruments permitting. She has worked with engineers and other geologists to edit technical publications to make them more readable by a wide Memberships variety of audiences. Representative projects are described below. AIME--Tucson Section American Institute of Hydrology Relevant Experience Includes the Following Projects: American Institute of Professional Geologists Arizona Hydrological Society Phase I Environmental Site Assessment, City of Tucson, Union Arizona Water Well Association Pacific Exchange Lands - Under an open-ended contract with the Idaho Association of Professional City of Tucson for Phase I ESA and Phase II ESA projects, EEC Geologists completed a Phase I ESA of an approximately 1.8-mile-strip of Union Society of Women Engineers Pacific property in the center of town. This railroad spur, most of Sigma X� p p Y which is no longer used, extends from the main tracks north of Publications Speedway Boulevard to 22nd Street, east of the I-10 right-of-way. In addition to consulting reports, The property included the track right-of-way, two leased areas with Ms.Ross is the author or coauthor of more than 20 technical articles asphalt plants, three vacant areas that previously supported petroleum concerning general geology, off-loading areas, several construction yards, and contiguous ground-water geology, industrial, commercial and residential areas. The work was geothermal resources, completed under a 21-calendar-day schedule that included the 1997 ground-water law,water Thanksgiving weekend. quality,well construction, and pump installation Rio Nuevo Phase I Site Assessment, — procedures. ssess ent, Tucson, ArizonaPrepared a Phase I Environmental Site Assessment (ESA) of 24 parcels that included previous businesses along West Congress Street dating back to pre-1900, plus a brickyard and landfills. EEC was then hired a year later to complete a second Phase I ESA of the Mission area, which includes all of the land between the Santa Cruz River, Mission Road, and Starr Pass Boulevard, south of the Rio Nuevo project. Currently completing additional work for the City at the site. EEC , Inc . SYLVIA H . Ross , RG Page two Business Development Finance Corporation and U.S. Small Business Administration. Prepared more than 30 Phase I ESAs and Transaction Screen Process Reports for properties, primarily in Tucson and Sierra Vista, used as collateral for SBA loans. Tucson Airport Authority - Provided three Phase I ESA, two limited Phase II reports, and more than a dozen asbestos sampling reports directly for the TAA, or for consultants to the TAA. Wrote an asbestos management plan for airport facilities. Miscellaneous Clients— Conducted more than 350 Phase I ESAs and TSPs for properties in Arizona for miscellaneous private sector clients, including banks, realtors, developers, and investors. University of Arizona — Completed five Phase I ESAs for the University of Arizona or the U of A Foundation of properties surrounding or on the university. Provided a limited Phase II soil gas survey and limited drilling to search for abandoned underground strorage tanks. Marine Corps Air Station, Tustin, California — As project manager of a two-part Confirmation Study, evaluated the extent of soil and groundwater contamination from shallow landfilling and an aircraft fire training bum pit. Provided the conceptual design for cleanup and containment facilities, which included a drainage trench, a slurry cut- off wall, and an impervious cap. During the design and construction stage of the facilities, acted as a senior technical reviewer. Marine Corp Air Station, El Toro, CA - Remedial Investigation Coordinator and principal report coordinator for the $20 million Phase I remedial investigation/feasibility study (federal "Superfund" site). Reviewed Safety and Health Plan, wrote SOPs for Phase II work, and was part of the committee for developing data quality objectives (DQOs). Was also technical field manager for the same project, responsible for day-to-day technical decisions for work using 8 drilling rigs and 5 pump-development rigs. Individual design of more than 100 monitoring and pumping wells ranging from 90 to 1,200 feet deep, with PVC or steel casing. After completing pumping tests, specified and installed dedicated pumps in all wells. EEC . Inc . Con f i rmat i on Report — Memory Send Time : Aug-14-00 04:33pm Tel line : 5202970428 Name : TOWN OF ORO VALLEY Job number : 735 Date : Aug-14 04:27pm To : 16025424668 Document pages : 06 Start time : Aug-14 04:28pm End time Aug-14 04:33pm Pages sent : 06 Status : OK Job number : 735 *** SEND SUCCESSFUL *** -r c w 4c) i cf) C> NT I_ 1 1 o 1,1 _ c izZ _A._]=) .A.. ID It I NT C> It C> NT A. L. it I C>1,TA. 8 5 7 3 7 5 2 0 - 2 2 9 - 4 7 1 1 I, A. X 5 2 0 - 2 9 7 - 0 4 2 8 iC S I ISa I I-IE tA S A.L. SI-I 14..0 NI: Gary VYI, 1Parttan ctu,ick SNArt.--1-(:)vvr PArgr CC> P ANY: CPATIE tert.1.-ancl E:Napairtmnt 08/14/00 FAX LinnEfeK: "TCYTAL_ NJ _ C3F E I IV L_U ID I NC) CC)NIE : 602-542-4017 • Ft Arichc(logical 5.ur, ySr.Payrrint Lirs.c.3.1,1-1. 66 IF c..).11 FLNTI.N.X/ C] ] ,J.ASC_IlVIIVIIF..1,1-1" C3 PI-F.:AS.R.I.L 1=1-Pi...F1-AS.11.33CYCI-. 1,1 GYVE?.S atraclzecl. copy tc hollow by mail. ,‘1), LEY qlY/ p /161 TOWN OF ORO VALLEY 11000 N. LA CANADA DRIVE ' iiiii , f'.' as ORO VALLEY ARIZONA 85737 „ Administrative Offices(520)297-2591 Fax(520)297-0428 , , www.ci.oro-valley.az.us UNDEO 1 August 14, 2000 Mr. Gary M. Patton Sales Administrator Real Estate Division Arizona State Land Department 1616 West Adams Phoenix, Arizona 85007 Dear Gary: Pursuant to our conversation earlier this afternoon, enclosed please find a copy of the invoice from Professional Archaeological Services & Technologies, for archaeological field work, archival and records investigation, letter report and consultation for the Naranja State Land Site. Additionally, I am sending a copy of the purchase order from the Town of Oro Valley and cancelled check made payable to Professional Archaeological Services & Technologies. I trust the enclosed is sufficient, however please contact me if additional information is desired. Sincerely, • i f 1 , , I Chuck ` weet Town Manager enclosures INVOICE Date: 4/14/99 To: Mr. h �► 1� ����E�� C uck Sweet Town of Oro N. La Canada Valley J L 11000 N Oro Valley AZ 85737 Tu 3 A DESCRIPTION: Archaeological field work,archival and records investigation, letter report and consultation for the Naranja Sec.2(ASLD#53-102399)project. NET 30 DAYS ........................................................ ....................................................... . T4OBMBR : 991100 TOTAL $1,488.00 THANK YOU F,\-�EY�4 /''''. 'iH ' ' 0PURCHASE ORDER o I,, \-57 , Town of Oro Valley 1 WA , � DATE. 11000 N. La Canada Drive I- � � '� ► DATE REQUIRED P.O.NUMBER PAGE U.V_ Oro Valley, AZ 85737 ♦ �--= :-=iiiiitAt - (520) 297-2591 03/18/99 99 00 '00/00 2769 �� '- �- t), PURCHASE ORDER °vN DE 01g VENDOR NO.MUST BE ON NO.: PAST PACKAGING.INVOICES ETC. V S 1 E PROFESSIONAL ARCHAEOLOGICAL H ORO VALLEY ADMINISTRATION BLDG N SERVICES & TECHNOLOGIES I 11000 N LA CANADA DR D 5036 E GOLDER RANCH RD P ORO VALLEY AZ 85737 0 TUCSON AZ 85739-4265 R T SHIP VIA : ORDERED BY : BAR T ELS—SWEET F.O.B. P.O. TYPE TERMS REQ. NO. : QUANTITY PROD. DESCRIPTION UNIT PRICE TOTAL COST .1. .000 ARCHAEOLOGICAL SURVEY—STATE LAND 1,488.0000 1488.00 NOT TO EXCEED LAND 001-199-901 .000 1,488.00 Total : 1 ,488.00 . , 1 I' 1 ji k.1 IPURCHASE ORDER NOT VALID WITHOUT AUTHORIZED SIGNATURE A THORIZED B B*TE 4qc' ED oy TOWN OE ORO VALLEY Bank of America 067256 91-170 12 2 o t 11000 N.LA CANADA DR. Bank of America Arizona ,f,���'\. Business Services Group 188 Date : 0 5 0 7 9 9 ORO VALLEY, ARIZONA 85737 33 N.Stone Ave. / / A l�!M Tucson,AZ 85701 ,F- - -* (520)297-2591 o(0, tare AMOUNT 1, 488 . 00 PAY *****************ONE THOUSAND - FOUR HUNDRED EIGHTY-EIGHT DOLLARS AND 00 CENTS* TO THE 22) ORDER PROFESSIONAL ARCHAEOLOGICAL OF SERVICES & TECHNOLOGIES 5036 E GOLDER RANCH RD TUCSON AZ 85739-4265 .1 (le U'06 ? 2560 L221,0 L7061: L. L2""" ? 242 ?9" .110000L4ELF300," WARNING Do not accept this check unless you can see ALERT on back of check. • I .... ..) ,• C.31 •,. '4:t C),- t , ---11,-. (ZT4‹ v..' 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PA- T PROFESSIONAL ARCHAEOLOGICAL SERVICES AND TECHNOLOGIES April 21, 1999 Mr. Kenneth Rozen Or Stephen Ross Cultural Resource Manager Arizona State Land Department 1616 West Adams Phoenix, AZ 85 007 Re: Completed Archaeological Survey on State Trust Land Project: Naranja Sec. 2 (ASLD #53-102399) ASM Antiquities Blanket Permit No. 99-02b1 P.A.S.T. Project No. 991100 Dear Mssrs. Ross or Rozen: Please find enclosed three copies of our letter report for the archaeological work we conducted on State Lands on behalf of Town of Oro Valley. I will also provide copies of this letter report to the Arizona State Museum. Thank you for your assistance in this matter. If you have any questions please contact me. Cheers, David V. M. Stephen Archaeologist cc: Chuck Sweet, Town of Oro Valley Consulting P.A.S.T. Telephone 520.825.3536 Archaeologists 5036 E.Golder Ranch Road Fax 520.825.2636 Tucson,Arizona 85739-9602 USA PAST PROFESSIONAL ARCHAEOLOGICAL SERVICES AND TECHNOLOGIES April 14, 1999 Mr. Chuck Sweet Town of Oro Valley 11000 N. La Canada Dr. Oro Valley, AZ 85737 RE: Report for Naranja Sec.2(ASLD#53-102399) State Trust Lands Archaeological Survey PAST Job No. 991100 Legal: Portion E2 Sec. 2 T12S R13E G&SRB&M State Antiquities Permit No. 99-02b1 Dear Mr. Sweet: Personnel from P.A.S.T. conducted a 3 personday, approximately 173 acre survey of the Naranja Sec. 2 (ASLD #53-102399) property on April 10 & 11, 1999 located in Pima County near Tucson in anticipation of municipal park development. The field work consisted of an intensive on-foot coverage of the property by our staff in order to identify and locate any cultural resources, historic or prehistoric, within the property boundaries. Field personnel (A. Lenhart)were spaced approximately 20 meters apart and crossed the subject property in a series of contiguous corridors with any areas of extreme slope covered less intensively. General conditions were good for conducting the fieldwork. Ground visibility was minimally effected by the presence of trees, shrubs, semi-shrubs, succulents and grasses. The original land-form was severely disturbed by historic alterations to the ground surface. No isolated artifacts were observed nor were there surface indications of archaeological resources on the property which meet the minimum standard for recording as an archaeological site or that would be eligible for inclusion in the National Register of Historic Places. Archives at the Arizona State Museum showed there are no recorded sites on the subject property. Archaeological site(register ineligible) AZ BB:9:295 is located approximately 300' east of the western boundary of the parcel. Based on the field methods employed and the observable surface indications, there does not appear to be sufficient evidence to warrant further archaeological studies on the property. Although I do not endorse additional archaeological studies for this project, ground disturbing activities on the property should not commence without authorization by the agency archaeologist(s) and the State Historic Preservation Office, as appropriate. The likelihood of buried materials being present is low. There remains the possibility that ground disturbing activities could reveal the presence of heretofore undiscovered archaeological resources. If such materials are discovered construction activities should stop. Consultation should be initiated with the cognizant agency archaeologist, and if applicable under ARS 41-841 et seq. the Arizona State Museum, to assess the potential significance of any artifacts or features unearthed. Under State law (ARS 41-865 & ARS-41-844) if human skeletal remains or funerary objects are discovered on either public or private lands the Arizona State Museum should be contacted immediately. Thank you for the opportunity to work with you on this project. If I may be of any further assistance please do not hesitate to contact me. Sincerely, David V. M. Stephen Archaeologist State Antiquities Permit No. 99-02b1 Consulting P.A.S.T. Telephone 520.825.3536 Archaeologists 5036 E.Golder Ranch Road Fax 520.825.2636 Tucson,Arizona 85739-9602 USA P.A.S.T.PROJECT REPORT FORM P.A.S.T. JOB NO. 991100 (Part 1 of 2—refer to narrative part for additional information) A. INTRODUCTION Arizona State Land Department ASLD#53-102399 Deet Ti Naranja Sec. 2(ASLD#53-102399)Project Pocaso� _ Town of Oro Valley Di :ptl40. Municipal park develo ment . A PPr t . 99-02b1he- P'.Pr is B. PROJECT LOCATION INFORMATION (see also attached copy of USGS map) gC.0.4.0WiM::::: Pima : ci 4*• . f;:::: Tucson AZ Land :ersh'•. State f Portion E2 Sec. 2 T12S R13E G&SRB&M A 1. BB:9 NW Oro Valley 1981 7.5' 2. C. SURVEY INFORMATION T ; Non-collection pedestrian and/or velocipedian survey with systematic 20 meter transects. - 173 acres AND/OR 0 miles long BY 0 foot wide right-of-way erce s a u ::ec 100% i!!pj.ot.4•Q.f.0.*Ril A. Lenhart ��� ���Q�:`-������� David Stephen :tater`.... ,.. April..�� t�-�:et�'' o�k� � 10& 11, 1999 Persondays 3 Adt a .:iiiaS iiitt���• None.. ..ASMI:::::: ctifittC:41l6:dibitt <::: : None :'T:e No D. CULTURAL RESOURCES WITHIN THE PROJECT AREA (see narrative on next page for additional information) 0.. 'Teta:I�s�te�;::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 0 :........................................................................ ......................................:.:......................... o iiiiiti::::i:i:i:i:::::::::::::::i::::::::::::::::::::::::::::::::::::: 0 per acre E. FURTHER WORK RECOMMENDED (see comments section below and narrative on next page for additional information) : XXXXar :n' :::::::::::::::::::::::::::::::::::::::::::::: N.A. l ¢ t N.A. {i I'i i:i i{:':I:'i 1 1 1 i'i'1':':71�:i S b tf` 6T tttn :: N.A. ................................................ Ltrtt= :: : N.A. F. COMMENTS (see narrative on next page for additional information): No artifacts were observed on the parcel. Archaeological site(register ineligible)AZ BB:9:295 is located approximately 300' east of the western boundary of the parcel. 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