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i r' TABLE NTiNUED] ®� A ANALYf1CAL RESULTS: GROUNDWATER MOORE PETROLEUM 5491 F STRUT, BANTA,CALIFORNIA (AN results In parts-W4now) Y Monitoring Date Total Petroleum Hydrocarbons Aromatic Volatile Organics Well Collected Gasoline Diesel Motor Benzene Toluene Ethyl- Total Oil benzene Xylenes MW-3 05/12/89 < < - 0.0003 < 0.0020 07/06/90 < < 0.0010 < < 02/01191* < < - < < < < 04/23/91,1 < < _- < < < < 05/19/91 --- < 07/22/91* < 0.090 < < < < 10/21/91 0.06 0.60 «0.5 0.0006 < < < 01/17/92 < 0.36** - 0.0009 < < < 04/16/92 < 0.19 - < < < 07/27/92 < < < < < < 10/20/92 0.37** 0.72 < < < < 01/22/93 < < __ < < < < 04/09/93 0.090 0.63 < < < < MW-4 07/06/90 < < --- 0.0009 < < < 02/01/91* < < __ < < < < 04/23/91* < < ___ < < < < 07/22/91* < 0.070 --- < < < < 10/11191 < 0.08 «0.5 0.0021 < 0.0052 < 01/17/92 < < -- 0.0012 < 0.0013 < 04/16/92 < < 07/27/92 0.07 0.31 - < 0.0008 0.0024 0.0008 10/20/92 0.07** < < < 0.0034 < 01/22/93 < < < < < 04/09/93 < < -- 0.0005 < < I $$0039 c NOTES: - - Not sampledinot analyzed. < - Below Practical Quantitation Reporting Umlts(POL)per"Tri-Reglonal Board Staff Recommendations for Preliminary Evaluation and investigation of Underground Tank Sites"(August 10,1990). (PQL for BTEX-0.0005 ppm,TPH,as gasoline and diesel-0.05 ppm)or as Indicated In laboratory reports. < = Below Indicated detection Ilm it, I, Gasoline and diesel were reported as total purgeable petroleum hydrocarbons. The positive result for petroleum hydrocarbon as gasoline Is an unknown which consists of a singular peak. FLH Floating liquid hydrocarbons. The groundwater analytical results prior to February 1,1991,are summarized from work conducted by previous consultants. Aegis Environmental,Inc. 90-099/June 17,1993 i