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LEGEND <br /> ARCO AM/PM + MONITORING WELL TO—45 FEET <br /> SERVICE STATION <br /> MONITORING WELL TO—30 FEET <br /> PRIVATE ROAD MONITORING WELL TO--20 FEET <br /> 0 ABANDONED MONITORING WELL <br /> TPHg 2 400 <br /> B <10 TPHg 820 CHEMICAL ANALYTICAL RESULTS <br /> TPHg 55 MtBE 3,700 B <50 <br /> B <05 TBA 270 MtBE 1 100 ANALYTE <br /> MtBE 47 TBA 5D <br /> TBA <50 MW-9* BPHg <0 5 <br /> W MtBE <2 0 CONCENTRATION(Ng(L) <br /> MW-4 SERVICE Z TBA <100 <br /> STATION z ] <br /> BUILDING a W MW 7 ANALYTES <br /> UNDERGROUND <br /> TPHg—TOTAL PETROLEUM HYDROCARBONS <br /> USED OIL TANK AS GASOLINE <br /> TPHg <50 /DISPENSER ISLANDS } Q B BENZENE <br /> B <05<0 5 UNDERGROUND MW-2R ¢ = MtBE—METHYL TERTIARY BUTYL ETHER <br /> MtBE STORAGE TANKS MW-5 H <br /> TBA <50 MW-2 fn TBA —TERT-BUTANOL <br /> CC ui <br /> MW 10 MW 1 R VW-1 7 TAME—TERTIARY AMYL METHYL ETHER <br /> MW-8 TPHg <250 * TAME REPORTED IN WELL <br /> TPHg 140 MW-1 0B <25 MW-9 AT 31 pg/L <br /> B <05 MtBE 30 <br /> MtBE 54 P TER TBA 1,400 TPHg <50 <br /> TBA 780 DRIVEWAY B <05 <br /> MtBE <05 r <br /> DRNAY �� TPHg 2,500 <br /> TPHg <50 TBA <5 0 <br /> � I!� r MTBE 740 <br /> PHg <5 000 B <05 vrn v <br /> 0 B <50 MtBE 3r- BPk9 <25D TBA 31,000 <br /> C? MtBE 500 TBA 630 R 220 <br /> BA 64 000 / TBA 230 <br /> U <br /> z <br /> 0 <br /> U <br /> MW-6 <br /> rn <br /> CL <br /> m <br /> 2 0 50 100 <br /> 0 <br /> APPROXIMATE SCALE FEET <br /> o °R""" GMH FIGURE 2 <br /> cUn APPR TOSCO SERVICE STATION#11193 <br /> 0 S LADD 3202 WEST HAMMER[ANE <br /> O REV DATE STOCK ON CAUFORNIA <br /> a 15OCT2003 DWR <br /> Q $ iE C O R JOB NO GROUNDWATER CHEMICAL <br /> 77BP 50193 00 0036 CONCENTRATION MAP - SEPTEMBER 2, 2003 <br />