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TABLE 41"NUED) <br /> ANALYTICAL RESULTS GROUNDWATER <br /> MOORE PETROL=uM INC <br /> 148M WEST FRONTAGE ROAD MANTECA, CALIFORNIA <br /> (AB results In gn-parts-per-billion) <br /> Monitoring Date Total Petroleum Aromatic Volatile Organics <br /> Well Collected Hydrocarbons <br /> Gasoline Benzene Toluene Ethyl- Total EDB EDC <br /> benzene Xylenes <br /> M W 5 01/06/90+ 430 380 1 a 19 100 «0 5 «0 5 <br /> 06/28/90+ 1,100 300 1 3 < 190 <<O 1 «01 <br /> 01/31/91 97* 09 < < 13 «01 03 <br /> 04/23/91 80* 1 6 < 06 06 <<O 1 «01 <br /> 07/22/91 140 10 0 6 < 21 «0 5 120 <br /> 10121/91 260 28 < < < <br /> 11/21/91 50 24 < < < — — <br /> 01/31/92 320** 25 < < 14 - -- <br /> 04/20/92 90 30 1 3 < 70 <br /> 07/28/92 270 < < < < <br /> 10/20/92 70 < < < < <br /> MW-6 <br /> 01/08/90+ 130 04 < < < «01 «01 <br /> 06/28/90+ < 03 < < < <<O 1 «01 <br /> 01/31/91 80 13 < < < «0 i «01 <br /> 04/23/91 < 05 < < < «0 1 «01 <br /> 07/22/91 < < < < < «0 5 «0 5 <br /> 10/21/91 110 1 7 < < < <br /> 11/21/91 60 44 < < < <br /> 01/31/92 < 16 < < < <br /> 04/20/92 < < < < < <br /> 07/28/92 < < < < < --- — <br /> 10/20/92 < < < <br /> NOTES EDB Ethylene dibromide <br /> EDC = 12 dichloraethane <br /> + = Groundwater analytical results reprinted from previous consultant s reports <br /> < Below Practical Quantitation Reporting Limits per 'Tri Regional Board Staff Recommendationsfor Preliminary Evaluation and Investigation of <br /> Underground Tank Sites (August 10 1990) (POL for BTEX =0 5 ppb TPH as gasoline and diesel.50 ppb) <br /> << Below Indicated detection limit <br /> = Not analyzed <br /> ` Laboratory reports indicate this is weathered gasoline <br /> = Laboratory reports indicate total petroleum hydrocarbons as gasoline result is due to a petroleum hydrocarbon that does not appear to be gasoline <br /> Aegis Environmental Inc <br />