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�4w. w a �� titw■ � itiilw <br /> I <br /> ANALYTICAL RESULTS GROUNDWATER <br /> MOORE PETROLEUM INC <br /> 14800 WEST FRONTAGE ROAD MANTECA. CALIFORNIA <br /> (All results in cAA-parts-per-ilhon) <br /> Monitoring Date Total Petroleum Aromatic Volatile Organics <br /> Well Collected Hydrocarbons <br /> Gasoline Benzene Toluene Ethyl Total EDS EDC <br /> benzene Xylenes <br /> MW-11 08/22/88t < < c < < «0 1 36 <br /> 05/11/89+ < 21 < < 50 «0 2 «0 2 <br /> 01/08/90+ 1,000 03 19 < < «0 i «0 1 <br /> 06/28/90+ 110 08 130 0 4 63 «0 1 65 <br /> 01/31/91 120* 0 9 06 < < «01 220 <br /> 04/23/91 440* 110 < < 05 «0 1 350 <br /> 07/22/91 < < < < < «0 5 140 <br /> 10/21/91 220 2 5 < < 05 <br /> 11/21/91 130 13 < < 07 <br /> 01/31/92 390** 49 < < 12 -- <br /> 04/20/92 < < < < < -- – <br /> 07/28/92 140 6 0 30 0 5 30 — <br /> 10/20/92 600 94 < < < <br /> NOTES EDB = Ethylene dibromide <br /> EDC = 1,2-dichloroethane <br /> + = Groundwater analytical results reprinted from previous consultant's reports <br /> < = Below Practical Quantitation Reporting Limits per"Tri-Regional Board Staff Recommendations for Preliminary Evaluation and Investigation of <br /> Underground Tank Sites"(August 10 1990) (PQL 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 /> I <br /> Aegis Environmental Inc <br /> 90 097/March 22 1993 <br />