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B-1 EXPLANATION <br /> 9 Sod Boring/Monitoring Well <br /> JMW-7 Sod Boring/Monitoring Well <br /> VW-10- Soil Boring/Vapor—Extraction Well <br /> AS,-1 Sparge Well <br /> 10/VW-5 MS-1 Sparge Monitoring Point <br /> d <br /> 6—4/M— x AS-3 Proposed Location Of Additional <br /> ay o Sparge Well <br /> y STATION <br /> BUILDING m VW-12 Proposed Location Of Additional <br /> Deep Vapor Extraction Wells <br /> irl <br /> MS-4� Proposed Location Of Additional <br /> h Sparge Monitoring Point <br /> LO M <br /> Estimated Vapor Extraction Radius <br /> d p <br /> O m ISLA Of Influence <br /> �7 y Estimated Sparge Radius Of <br /> > r Influence <br /> i 0 <br /> 0 Estlmated Limits Of Residual <br /> CPHg In Deep Vadose Zone <br /> W 8-15/VW 0 /VW-7 And Capillary Fringe Soil AT <br /> Concentrations >100 Parts Per Million <br /> rn B-10 VW-11 B-11/V —6 <br /> B--16/MW--5� !I AS-2 � Am AS-30)1 <br /> c Former MS-4 <br /> _ t Tank Cavity j <br /> A B-7/VW---4 B— VW-3 I <br /> I r_----__-_____.J B-6/MW-2 <br />+ 8-17 —1 MS-2 S-3!1 <br /> B-2/MW-1 <br /> VW-12 <br /> B-3/vw-1 i <br /> Existing Tank Cavity 1 <br />• B-14/VW-9 1 <br /> ACK OF ALK _ <br /> DRIVEWAY E3-21/,MW-6 <br /> r <br /> HAMMER LANE <br /> 20 jo 20 40 <br /> Source Map modified from map provided IT <br /> by Tom 0. Morrow Inc Approximate Scale (feet) <br /> VAPOR EXTRACTION AND SPARGE RADIUS OF INFLUENCE PLATE <br /> S 40 TO 60 FEET BELOW GRADE <br /> ARCO Service Station No. 2130 6 <br /> g FILE Igo 7906 North EI Dorado Street <br /> PROJECT NO. 30003 0003G22AI Stockton, California <br />• 1 <br />