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IIiiiiiiiiiiiiii <br /> TABLE 2 NTINUED) <br /> ANALYTICAL RESULTS: GROUNDWATER <br /> SHELL SERVICE STATION,6131 PACIFIC AVENUE,STOCKTON,CALIFORNIA <br /> (AN results in parts-per-bdl'wn, except as indicated) <br /> Total Aromatic Volatile Organics <br /> Monitoring Date Petroleum Total Total Fecal <br /> Well Collected Hydrocarbons Lead Coliform Coliform <br /> Gasoline (MPN/100ml) (MPN/100m1) <br /> Benzene Toluene Ethyl- Total <br /> (ppnh) benzene Xylenes <br /> MW-3 07/23/90 63 10,000 0 18,000 0 1,800 0 11,000 0 --- 540 33 <br /> 10/09/90 69 7,900 0 12,000 0 1,200 0 9,0000 «0 002 >2,400 920 <br /> 01/10/90 63 10,000 0 17,000 0 1,200 0 7,200 0 — 16 Pos <br /> 04/09/91 --- --- --- -- --- --- — — <br /> 07/17/91 --- — --- --- -- _. <br /> 10/08/91 - <br /> 02/26/92 --- -- _- — -- — --- <br /> 05/12/92 --- -- --- --- — — __ <br /> NOTES -- - Not analyzed <br /> < = Results are less than Practical Quantitation Reporting limits stated In the August 10, 1990, "Tri-Regional Board <br /> Staff Recommendations for Preliminary Evaluation and Investigation of Underground Tank Sites"(50 ppb for TPH, <br /> 0 5 ppb for BTEX) <br /> MPNI100m1 = Most Probable Number(MPN)of bacteria per one hundred milliliters <br /> << = Less than the Indicated detection limit <br /> > = Greater than or equal to <br /> * Positive response for petroleum hydrocarbons,as gasoline,Is due to the presence of an unknown hydrocarbon,not gasoline <br /> MW 3 was not sampled from April 9, 1991,to present due to the presence of floating liquid hydrocarbons <br /> Aegis Environmental Inc <br /> July 27 1992 <br />