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EXPLANATN <br /> ♦ Groundwater monitoring well <br /> tt/B/C Total Petroleum Hydrocarbons <br /> (TPI ) as Gasoline/Benzene/ <br /> MW-7 MTBE concentrations in ppb <br /> <50+/ <br /> + Analysis by EPA Method 8260 <br /> ---2Ta <0 50+1 <br /> / <br /> <2 0+ <br /> MW-3 <br /> MW-2 <50+/<0 50+/21+ <br /> F MW-4 <br /> 62+1 1 <br /> 054+1 j USES Pumps©0�/ 0 a <br /> 30+ <10+/ � <br /> 1,300+ H <br /> #MW4 > <br /> 5,700+1<25+14,400+ a <br /> +0 <br /> IPA <br /> 0 <br /> I. Building <br /> O,p <br /> O <br /> MW-6 <br /> <50+/ MW-5 <br /> <0 50+/ <50+/<0 50+/<2 0+ <br /> <2 0+ <br /> 14— <br /> 0 I 50 <br /> Scale 1n Feet <br /> Source Figure modified from drowinq provided by Morrow Surveyinq <br /> CONCENTRATION MAP RGURE <br /> iNGETTLER . RYA H IN C. Tosco (Circle K) unit #08671 <br /> 6747 Sierm a, Suite J 8606 Thornton Road 2 <br /> Ddbh G sm (925) 551`7555 Stockton, California <br /> Job NUMBER REVIEWED BY DATE REVISED GATE <br /> 180198 May 6, 2002 <br /> RLE NAME P\Fnnro\TOSCO\08671,002-08671 dwg I Layout Tab Cont <br />