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I! I <br /> HAMMER LANE <br /> LEGEND: <br /> MW-1 MONITORING WELL LOCATION <br /> Q VW-1 VAPOR EXTRACTION WELL LOCATION <br /> ® AS-1 AIR SPARGE LOCATION <br /> • SB-1 SOIL BORING LOCATION <br /> DRNEWAY DRIVEWAY BD TPH AS GASOLINE CONCENTRATION IN MICROGRAMS PER LITER;ugIL) <br /> 4.4 BENZENE CONCENTRATION IN ug1L <br /> 11,100 MTBE CONCENTRATION IN ug1L <br /> SAMPLES COLLECTED ON 3/12.02 <br /> SIGN P057 TPHG AND BENZENE ANALYZED USING EPA METHOD 801518020 <br /> PUMP ISLAND 6A MTBE ANALYZED USING EPA METHOD 8M <br /> B-15 0 MVI-3 <br /> <50 <br /> <0.50 <br /> • B-5 i <br /> TELEPHONE _ <br /> BOOTHS '--4 <br /> ' <br /> PUMP ISLAND VW-4 <br /> B-13 • O •B-18 2 <br /> <0.50 J <br /> 32 AC PAVING I A <br /> I <br /> MW-2 <br /> i <br /> ^ <br /> SALES <50 1 <50 <br /> <0.50• <0 50 <br /> BUILDING 1.6 vI <br /> at SB1-0 <D.50 <br /> VW'2 <br /> T5 4.4.[ so MW-1 <br /> CONCRETE 7,100 <br /> • 8-16 • B-12 1--1 11�L/A�,,,� <br /> i i I I I I <br /> I [ <br /> Vl*h551D j-<0,5w,,(,,11• 8 17 71 i T2 T3 i iT4VW-55 VW$O i ��<501,400 L J L__J AS.2 i AS-1<0.50 <5.0 ---' i i QQ VW-1<0.50 <0.50 <2.5J AS-3 A L__d�� Q VW.3 <50MW-4 @50 <br /> EE 0.98 <br /> I <br /> 0 30 FT <br /> <50 <br /> SVE SYSTEM COMPOUND 1050 <br /> 0.72 <br /> <0.550 <br /> < 1 SCALE <br /> J <br /> 0.53 <br /> 10 <br /> ' FIGURE 3 <br /> GROUNDWATER ANALYTICAL SUMMARY <br /> 1st QUARTER 2002 <br /> ARCO FACILITY NO.548 <br /> 1612 HAMMER LANE <br /> STOCKTON,CALIFORNIA <br /> - PROJECT NO. DRAWN BY - <br /> DODO-321 M.L.4129/02 A FILE NO. PREPAREDBY <br /> Delta <br /> ,i D3218 M L {/�j/, Environmental <br /> REVISION NO. REVIEWED BY !/.�/ COnpultan%, Inc. <br /> Source: Base modified from map provided by Tom O.Morrow,Inc. � 1 <br />