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1 <br /> x x <br /> Former Waste DlI <br /> x�UST Location <br /> x x x x <br /> X <br /> QSB-22 MW-7 <br /> Q, I TPHg=c 50 , N <br /> Q TPHd=63 <br /> Shop Building TPHd=<5o 9 MTBE=<05 <br /> ' #1 B=26 <br /> x MTBE_<6 5 V Office <br /> MW-12;: <br /> W-12 x <br /> y Building <br /> ' TaHY43 <br /> k <br /> x <br /> TPHd <br /> MW 19 naw-24� a <br /> TPHg=<50 MTB6TPHd=<50 ®B= 1 2 SB-18MTBE=<05 �.14 r <br /> W <br /> MWFormer Gasoline/ cc <br /> 58-15 Diesel UST Locations MW-6 y <br /> x ® � Driveway <br /> Location of Future <br /> MW-2s vM.1 vat-2 <br /> Caltrans Building ______ <br /> x ` MW-lam VW-1 OAaW-4 A5W-13 <br /> -- TPHg_60 --------� now-ra -- --------------- -------, _ <br /> x i TPHd=<50 l8f TPHg=4,300 I <br /> B=26 MW-2 TPHd= 130 <br /> MTBE_<0 5 B=470 TPHg=2 500 } x y <br /> MTBE=34" TPHd= 170 E <br /> x i B= 1 000 { TPHg= 100 LEGEND <br /> A8-10 <br /> MTBE= 11 t x TPHd=<50 <br /> SB-17 1 B=3 8 <br /> x � O � MTBE=5 1 VW"+ Location of <br /> Existing Vapor <br /> Extraction Well <br /> 0d0-2 E MW-26 <br /> x i VM-1 <br /> + Location of Existing Vapor Extraction <br />' 0MW-e --- { Test Monitoring Wells <br /> 7 <br /> X i — ►wW 838E Location of Soil Boring and Former <br /> ----------------------------- __ x Groundwater Monitoring Well <br /> x I MW 10* Location of Existing Groundwater <br /> -- x Monitoring Well <br /> x TPHg=50 $MW-9 50-5® Location of Soil Boring <br />' TPHd=<50 <br /> MTBE_<05 R x TPHg=<50 x Fence Lane <br /> xy TPHd=64 <br /> TPHg=60 B=<05 <br />' <br /> TPHd_80 x MTBE_<0 5 TPHg = Total Petroleum Hydrocarbons as Gasoline <br /> MTBE=0 8 MW.'I I TPHd= Total Petroleum Hydrocarbons as Diesel <br /> B = Benzene <br /> TPNg =<50 x MTBE Methyl-tent butyl-ether(EPA Test Method 8020) <br />' TPNd=<50 All Concentrations in Micrograms per Liter(ppb) <br /> xB=27 Nondetected Concentration of MTBE When <br /> MTBE=<0 5 Analyzed by EPA Test Method 8260 <br /> x Storage Building <br /> x <br /> x <br /> MW-5 JWW.20* • <br /> ,x ENVIRONMENTAL CONSULTANTS INCORPORATED <br /> x x x x x-X-X- x x- x k - - -x__j 3235 SUNRISE 6LVD -SUITE 6-RANCHO CORDOVA CALIFORNIA 95742 <br /> PHONE 916652 9118-FAX 916852 9132 <br /> Caltrans Shop 10 <br /> 1603 South B Street Concentrations of <br /> 0 50 Stockton, California Petroleum Hydrocarbons <br /> in Groundwater. <br /> Scale in Feet <br /> GEOCON Prof No 56100-06-18A October 1996 <br /> Task Order No 10-5171000-05 December1996 I Figure 5 <br />