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E2 <br /> ANALYTICAL RES GROUNDWATER <br /> MOORE HOLEUM INC r <br /> 14600 WEST FRONTAGE ROAD MANTECA CALIFORNIA <br /> (All resrdts in NgIL parts per 6rllion) <br /> Monitoring Date TotalPetroleum Aromatic Volatile Organics <br /> Well Collected Hydrocarbons <br /> __ _ I --[ <br /> . -.. I I Gasoline Diesel Benzene Toluene Ethyl Total EDB EDC <br /> benzene Xylenes <br /> MW 1 08122188+ < < < < < <<O 1 3 6 <br /> 05111/89+ < 2 1 < < 5 0 <<0 2 <<0 2 <br /> 01108190+ 1 000 0 3 1 9 < < <<O 1 <<0 1 <br /> 06!28190+ 110 08 130 04 63 < <01 65 <br /> 01/31/91 120' 0 9 0 6 < < < <0 1 220 <br /> 04/23/91 440' 11 0 < < 0 5 <<O 1 350 <br /> 07/22/91 < < < < < <<0 5 140 <br /> 10/21/91 220 25 < < 05 <br /> 1 1121/91 130 1 3 < < 0 7 <br /> 01131192 390' " 4 9 < < 1 2 <br /> 04/20/92 < < < < < <br /> 07/28192 140 60 30 05 30 <br /> 10/20/92 600 9 4 < < < <br /> 01/21/93 350 6 5 1 2 < 0 9 <br /> 04/08/93 230 < 21 < < < 38 <br /> 07/08/93 1 100 230 7 7 3 8 1 6 1 9 770 <br /> MW 2 08122188+ 200 < < < 4 0 < <0 1 0 4 <br /> 05111189+ 100 -- 1 7 7 0 < 5 0 <<0 2 <<0 2 <br /> 01108190+ 290 1 2 < < 0 5 <<O 1 5 8 <br /> 06128190+ 370 1 1 0 8 < 3 1 <<O 1 <<0 1 <br /> 01/31/91 450* 1 2 0 5 < 0 6 «0 1 3 4 <br /> 04/23/91 340' 0 9 < < 0 7 <<O 1 <<O 1 <br /> 07/22/91 210 < 0 5 < 1 2 <<0 5 1 4 <br /> 10/21/91 150 < < < 2 4 <br /> 11/21/91 140 1 5 < < 0 6 <br /> 01/31/92 730'' < < < < <br /> 04/20/92 < < < < < <br /> 07/28/92 180 < < < 0 6 <br /> 10/20192 360 3 9 < < < <br /> 01121/93 62 0 6 < < 0 5 <br /> 04/08/93 < < < < < < 3 3 <br /> 07/08/93 340 50 3 1 8 3 1 2 1 4 3 8 <br /> NOTES EDB Ethylene i roma e <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 19901 IPQL for BTEX = 0 5 ppb TPN as gasoline and diesel = 50 ppb I <br /> << = Below indicated detection limit <br /> = <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 petroteum hydrocarbon that does not appear to be gasoline <br /> Aegis Environmental !nc <br /> 90 0971August 19 1993 <br />