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FORMER UNDERGROUND STORAGE TANKS <br /> T1 10 000 GALLON REGULAR UNLEADED GASOLINE TANK <br /> T2 6000 GALLON REGULAR UNLEADED GASOLINE TANK <br /> T9 S ODI)GALLON REGULAR UNLEADED GASOLINETANK <br /> T4 B ODO GALLON REGULAR UNLEADED GASOLINE TANK <br /> T5 B 000 GALLON SUPER UNLEADED GASOLINE TANK <br /> +/ NEW UNDERGROUND STORAGE TANKS <br /> / TS 10 ODD GALLON GASOLINE TANK <br /> !^` * T7 6 000 GALLON GASOLINE TANK <br /> ♦ TB 6 000 GALLON GASOLINE TANK <br /> OT9 6000 GALLON GASOLINE TANK <br /> �♦ <br /> SEPTIC TANK ,.' O♦ O VW-9 <br /> LEACHING AREA .�� DRY F- <br /> VW 11 VW-5 O <br /> DRYDRY(H) �.♦Tj\ DRYd <br /> DRY <br /> ♦♦t. + VW-10 /t ♦\T2` Q <br /> / ♦`.� /�T6// <br /> STATION <br /> BUILDING <br /> 0 /^� <br /> v/� T8 // <br /> DRY Q / // VW-6 Q <br /> VW-12(j)DRY MW-8✓// 5500 D�QP3 <br /> i <br /> +� RY OD F9,8001 <br /> 300 J <br /> 16000, <br /> MW-9 <br /> w 211000 DRY <br /> 1X200 <br /> DRY L VW-8 MWS <br /> DR� <br /> DRY ,BAY DIY <br /> MW-5 \\ <br /> VW-7Q VW 14 > <br /> DRYQDRY �� V W-16 <br /> DRYOr i <br /> Q / <br /> O75 Q MW-6 VW-15/ <br /> 9 DRY /� <br /> P <br /> MW-7 <br /> / DRYI@ DRY <br /> i/ VW-13 <br /> DRY <br /> WATER SUPPLY /// /// P VW-17 / <br /> WELL <br /> <0 60 / DRY -2 /i/// MW LPH[0 281 /* <br /> s� -1 <br /> /+ <br /> <0 50 P <br /> / _ P + QDRY <br /> 5050 G k, VW-19 <br /> [<050 <br /> SOF <br /> Q DRY (j)DRY <br /> /+ VW-20 VW-1S <br /> + <br /> LEGEND <br /> 4bMW 1 MONITORING WELL LOCATION <br /> Q VW-1 VAPOR EXTRACTION WELL LOCATION <br /> 0 50 FT <br /> Q CONDUCTORCASING <br /> WATER SUPPLY WELL <br /> X50 TPH AS GASOLINE CONCENTRATION IN MICROGRAMS PER LITER(ug(L] SCALE <br /> <0 50 BENZENE CONCENTRATION IN ug1L <br /> <0 50 MTBE CONCENTRATION IN uglL FIGURE 3 <br /> LPH=LIQUID PHASE HYDROCARBONS[THICKNESS] GROUNDWATER ANALYTICAL SUMMARY <br /> SAMPLES COLLECTED ON 09118102 3rd QUARTER 2002 <br /> TPHG AND BENZENE ANALYZED BY EPA METHOD 8015/8020 <br /> MTBE ANALYZED BY EPA METHOO82M ARCO SERVICE STATION NO 6100 <br /> 25775 SOUTH PATTERSON PASS <br /> TRACY, CA <br /> PROJECTNO DRAWN BY <br /> U 6100-04.04 K N 10130102 <br /> FILE NO PREPARED BY ENOIONMENIAI,INC <br /> 6100 <br /> REVISION NO REVIEWED BY <br /> 1 <br />