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TABLE 2 (CONTINUED) - <br /> ANALYTICAL RESULTS: GROUNDWATER <br /> MOORE PETROLEUM <br /> 5491 'F"STREET, BANTA,CALIFORNIA <br /> (Alf results in parts-per-miion) <br /> Monitoring Date Total Petroleum Hydrocarbons Aromatic Volatile Organics <br /> Well Collected <br /> Gasoline Diesel Motor Benzene Toluene Ethyl- Total <br /> Oil benzene Xylenes <br /> MW-3 05/12/89 < < --- 0.0003 < < 0.0020 <br /> 07/06/90 < < --- 0.0010 < < < <br /> 02/01/91* < < --- < < < < <br /> 04/23/91* < < --- < < < < <br /> 05/29/91 --- < --- <br /> 0 7/2 2/91 <br /> --07/22/91* < 0.090 -- < < < < <br /> 10/21/91 0.06 0.60 «0.5 0.0006 < < < <br /> 01/17/92 < 0.36** -- 0.0009 < < < <br /> 04/16/92 < 0.19 — < < < < <br /> 07/27/92 < < -- < < < < <br /> 10/20/92 0.37** 0.72 --- < < < < <br /> MW-4 07/06/90 < < --- 0.0009 < < < <br /> 02/01/91* < < --- < < < < <br /> 04/23/91* < < — < < < < <br /> 07/22/91* < 0.070 --- < < < <br /> 10/21/91 < 0.08 «0.5 0.0021 < 0.0052 < <br /> 01/17/92 < < --- 0.0012 < 0.0013 < <br /> 04/16/92 < < --- < < < < <br /> 07/27/92 0.07 0.31 — < 0.0008 0.0024 0.0008 <br /> 10/20/92 0.07** < --- < < 0.0034 < <br /> NOTES: -- = Not sampled/not analyzed. <br /> < = Below Practical Quantitation Reporting Limits(PQL) per"Tri-Regional Board Staff Recommendations <br /> for Preliminary Evaluation and Investigation of Underground Tank Sites"(August 10, 1990). <br /> (PQL for STEX=0.0005 ppm,TPH,as gasoline and diesel=0.05 ppm) or as indicated in laboratory reports. <br /> << = Below indicated detection limit. <br /> = Gasoline and diesel were reported as total purgeable petroleum hydrocarbons. <br /> The positive result for petroleum hydrocarbon as gasoline is an unknown which consistsof a singular peak. <br /> The groundwater analytical results prior to February 1, 1991, are summarized from work conducted by previous consultants. <br /> Aegis EmlrOnrnental,Inc. <br /> 90-099/December 23,1992 <br />