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SB-38 Soil SB-23 Soil SB-31 Soil SB-22 Soil 11/25/2008 42.5 ft GW 8/14/2008 5 ft 36 ft GW 11/17/2008 5ft GW 8/13/2008 5ft 25 ft 53 ft 76.5 ft GW TPHc ND NS due TPHc ND 1,800 --- TPHc ND NS-GW not TPHc ND ND 640 ND --- SB-43 Soil -------- --------- Naphthalene 0.0044 TPHd --- --- 130,000 All other analytes ND/NE encountered TPHd --- --- --- 1,000 Na hth to SPH GW All other analytes ND/NE Benzo(a)anthracene ND 0.035 7.3 Benzo(a)anthracene ND ND ND ND 0.049 3/5/2009 5 ft 29 ft Benzo(a)pyrene ND 0.029 2.5 Benzo(a)pyrene ND ND 0.0080 ND ND TPHc 4.3 4.3 SB-39 Soil Benzo b fluoranthene ND 0.055 3.1 �q Naphthalene ND ND 0.032 0.0017 0.32 NS due Napthalene 0.00097 0.00099 11/25/2008 39 ft GW to SPH Ch Bene ND 0.17 24 a�ow All other analytes ND/NE ND/NE ND/NE ND/NE ND/NE All other analytes ND/NE ND/NE TPHc ND NS due Dibenz a,h anthracene ND ND 0.90 !!!"•, ""'_ b All other anales ND/NE to SPH Fluoranthene ND 0.077 8.1 !aa �0 �� 3/4/2009 1 5 ftSoil42 ft GW SB-40 Soil Fluorene ND 0.75 100 ® �� A GW Na hthalene ND 0.072 ND �� o b TPHc ND 5.7 3/4/2009 5ft 43.5 ft Phenanthrene ND 1.6 200 Benzo(a)anthracene ND 0.023 NS due TPHc 4.2 4.6 NS due Pyrene ND 0.11 13 MW-5� Napthalene 0.00075 0.030 to SPH Na thalene 0.00094 0.00088 to SPH All other analytes ND/NE ND/NE ND/NE All other analytes ND/NE ND/NE All other anal es ND/NE ND/NE crosProduction Dividing line between sites SB-13 SB-14 \\\ ------------- - --- ---------------------------------------- - Area 3 ---------- HIGH. AY 33 SB-43 SB-41 SB=40 SB=39 SB=38 SB-23 SB-22 •GMX=12 GMX_8 B'6 SB-31 MW-2 SB=26 GM -2 S_g U . S . C A N - � �� RB=40 RB-10 o GM O S X=4�- - - - - GMX-3 F F I T E �� ;� SSB-32 i •- o �RB-5` =:_ R\'B\-\6 RR-2 SB-28 SOII - - 11/24/2008 5ft 43 ft GW RB-3 SB-32 Soil GW s-1 S-2 �'•,��. o TPHc 9.1 570 11/21/2008 5ft 8 ft 32 ft • ro -- -------------------- - GMX-9 S-3 Benzo(a)anthracene ND 0.021 NS due -- TPHc ND ND ND Benzo(a)pyrene ND 0.007 to SPH TPHd --- --- 53 =________ ___=====A��`� S-9 All other analytes ND/NE ND/NE All other analytes ND/NE ND/NE ND/NE ND/NE • 0 SB-24 Soil SB-24B - SB-33 S-7 S-11 3 8/14/2008 5 ft 37 ft 51 ft 60 ft GW SB-30 W E L T Y z TPHc ND ND 540 ND --- ROAD TPHd --- --- --- --- 6,100 SB-26 Soil GW Former Hunter a Anthracene ND ND 0.0069 ND 1.1 SB-25 Soil GW container corporation n �!'"'1; 8/15/2008 9 ft 40 ft 83.5 ft 82 ft = Benzo(a)anthracene ND ND 0.011 ND 0.74 1 8/18/2008 5 ft 47 ft 54 ft pump house4ami- TPHc 5,000 2,300 10 --- Benzo(a)pyrene ND ND 0.013 ND ND TPHc ND 670 ND --- U TPHd --- --- --- 60 j Benzo b fluoranthene ND ND 0.026 ND 0.42 TPHd 630 SB-30 Soil GW SB-33 Soil GW Benzo a anthracene 0.037 0.017 0.00076 ND Q Chrysene 0.00042 ND 0.083 ND 3.2 Benzo(a)anthracene ND 0.019 ND 0.033 11/21/2008 5ft 37 ft _ 11/21/2008 5 ft 38.5 ft Benzo(a)pyrene 0.040 0.022 0.00080 ND Naphthalene 0.00074 ND 0.048 ND 1.8 Benzo(a)pyrene ND 0.021 ND 0.019 TPHc ND ND --- TPHc ND ND --- Benzo b fluoranthene 0.084 0.047 0.0019 ND w --- Pyrene ND ND 0.053 ND 2.1 Naphthalene ND 0.027 ND 1 0.11 TPHd --- ND TPHd --- --- ND Naphthalene 3.2 0.0094 ND 0.19 'o All other analytes ND/NE ND/NE ND/NE ND/NE ND/NE All other analytes ND/NE ND/NE ND/NEI ND/NE All other analytes ND/NE ND/NE ND/NE All other anal es ND/NE ND/NE ND/NE JAII other analytes ND/NE ND/NE ND/NE ND/NE a_ 6 0 45 90 Map is a relative representation of current and historical data and should be verified for exact legal or underground work. SOIL AND GROUNDWATER Q Groundwater flow direction inferred from well-monitoring data. I soil Boring Location g �_= y p Railroad ANALYTICAL RESULTS MAP �. � � Monitoring Well == Historical Old Valle Pipeline �� Feet (March 2009) TPHc=Total Petroleum Hydrocarbons Environmental Screening Level 3 Historical Tidewater Associated quantified as crude oil WQo=Central Valley RWQCB Water AREA 3 z Soil Boring Location Destroyed Monitoring Well :::, Building TPHd=Total Petroleum Hydrocarbons Quality Objective (November 2008) Oil Company Pipeline quantified as diesel U.S.EPA=U.S.Environmental j ;------ ND=Not Detected at or above Protection Agency US CAN -WELTY ROAD it Soil Boring Location ® Water-Supply Well __ Kinder Morgan Pipeline Former building laboratory reporting limit RWQCB=Regional Water Quality Q location confirmed b GPS `- - NE=No Exceedances of RSLs or Control Board m (August 2008) ( y ) 35275 Welty Road a ,00100001A ESLs in soil,no exceedances of WQOs -All results are presented in milligrams a Monitoring Well _( Former underground or ESLs in groundwater per kilogram(mg/kg)for soil and x Kinder Morgan Pipeline Vernalis, California o Soil Boring Location (Crop Production Services) ,,_, fuel storage tank ---=Sample not analyzed for this micrograms per liter(Ng/L)for 3 (Previous Investigation) (location inferred) �nlaaaanlr constituent groundwater. 0 Water-Supply Well Lateral extent of groundwater affected ......... Estimated extent of NS=Not Sampled -Results presented in bold equal or DATE:9/23/2009 ANALYST:MOORECYN FIGURE: m Lateral extent of soil affected by ® ; SPH=Separate-Phase Hydrocarbons exceed RSLs and/or ESLs for soil m (Crop Production Services) by hydrocarbons,where petroleum ,,,,,,,,; former burn pit hydrocarbons,where petroleum ft=Feet below ground surface and/or WQOs for groundwater.See m +- constituents exceed WQOs and/or - constituents exceed RSLs and/or GW=Groundwater Tables 2 through 5 for RSLs,ESLs, Q Destroyed Extraction Well San Joaquin County -- -- m e ESLs.Outline dashed where inferred, RSL=U.S.EPA Regional Screening and WQOs. �+� ■.. ESLs.Outline dashed where (Crop Production Services) : Assessor's Parcel Level �A 2ff% >_ question marks where existence Is ---- From 5CrrncetoSoWtrons W CALIFORNIA LOCATION MAP Inferred. ESL=San Francisco Bay RWQCB unknown.