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f <br /> x <br /> x x x x x <br /> x S822 BMW--7 <br /> N <br /> 5s-5 TPHg 60 <br /> • Shop Building TPHd=80 <br />' <br /> B=<05 MW-i2 <br /> x MTBE_<0 5 Office <br /> x <br /> TPHg= '0000 <br /> TPHd= 1,100 Building <br /> B=3,200 x <br />' MTBE= 12 TPHg=500 <br /> TPHg=<50 Mw-24 TPHd= 140 <br /> TPHd=<50 B=23 x <br /> B=03 4111 i MTBE=<05 <br /> x MTBE=<0 5 MW-19 *MW44 <br /> x <br /> MW-3VM-2 <br />' *58-15 VM-1* TPHg=4,100 MW-6 Driveway <br /> x Location of Future Mw VW 1 <br /> TPHd=380 <br /> B=390 <br /> Caltrans Building _____ w'T � MTBE=46 <br /> x -; �Mw-4Mw-i3 LEGEND <br /> I <br /> x MW-2 --- _ W MW* Location of Proposed New <br /> Groundwater Monitoring Wells <br /> TPHg=800 i x 1— M. <br /> TPHd= 120 T "' Location of Proposed Vapor Extraction <br /> x B=320 ; x Test Monitoring Wells <br /> MTBE=0 6 I <br /> ® sa->r7® ; Mw `' Mw'90 Location of Soil Boring and Former <br /> Groundwater Monitoring Well <br /> OAB-2 _ aaaw-i° Location of Existing Groundwater <br /> CD Monitoring Well <br /> x I � I x I VW-f <br /> Mw-8 <br /> Location of Existing Vapor <br /> ---- Extraction Well <br /> xi_------------------------�— -------I __________ --- ____- ___ <br /> __ � ss-5• Location of Soil BoringMw-16 <br /> Landscape <br /> x MW-9 , Approximate Location of Former USTs <br />' x TPHg=60 <br /> TPHd=90 Q � x Fence Line <br /> B=41 <br /> MTBE_<0 5 TPHg=200 <br /> TPHd=70 TPHg = Total Petroleum Hydrocarbons as Gasoline <br />' <br /> B=89 <br /> MTBE= 18 Mw-i r TPHd = Total Petroleum Hydrocarbons as Diesel <br /> x B = Benzene <br /> MTBE Methyl-tert-butyl-ether <br /> TPHg W 80 All Concentrations in Micrograms per Liter(ppbf <br />' TPHB=70 <br /> x B=52 <br /> MTBE=<0 5 x <br /> Storage Building <br /> MW-20� • �� <br /> �MW-5 x <br /> ENVIRONMENTAL CONSULTANTS INCORPORATED <br /> 3235 SUNRISE BLVD -SUITE 6-RANCHO CORDOVA CALIFORNIA 95742 <br /> PHONE 916852 9118-FAX 916852 9132 <br /> Maintenance Station Groundwater Monitoring Project <br /> Caltrans District 10 Shop 10 Facility <br /> 0 50 <br /> Stockton, California Maintenance Station <br /> Concentrations of <br /> No S8100-06 62 Petroleurn HydrocarbonsScale in FeetNOTE Well MW-77 is to be removed and replaced IIGEOCONProi ,n Groundwater <br /> with a new well at the same location Task Order No 10-9111'75-A9 August 1996 Figure 3 <br />