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• TABLE 2 (CONTINUED) <br /> ANALYTICAL RESULTS GROUNDWATER <br /> SHELL SERVICE STATION,6131 PACIFIC AVENUE,STOCKTON,CALIFORNIA <br /> (All hydrocarbon results in parts-per-billion) <br /> Total Aromatic Volatile Organics <br /> Monitoring Date Petroleum Total Total Fecal <br /> Weil Collected Hydrocarbons Lead Coliform Coliform <br /> (MPNI100ml) (MPNI100ml) <br /> Gasoline Benzene Toluene Ethyl Total <br /> benzene Xylenes <br /> MW-2D 07/08/92 ' 5,000 1 700 < 61 0 230 <br /> MVV-3 07123/90 63,000 10,0000 18 000 0 1 800 0 11,0000 --- 540 33 <br /> 10109/90 69,000 7 900 0 12 000 0 1,200 0 9 000 0 —0002 ?2,400 920 <br /> 01!10190 63,000 10,0000 17,0000 1,200 0 7 200 0 --- 16 Pos <br /> 04109/91 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 07117/91 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 10108/91 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 02/26/92" FLH FLH FLH FLH FLH FLH FLH FLH <br /> 05!12192" FLH FLH FLH FLH FLH FLH FLH FLH <br /> 07108192" FLH FLH FLH FLH FLH FLH FLH FLH <br /> 10/15192" FLH FLH FLM FLH FLH FLH FLH FLH <br /> 01111193"' FLH FLH FLH FLH FLH FLH FLH FLH <br /> 04128193"' FLH FLH FLH FLH FLH FLH FLH FLH <br /> 08126193"' 120 000 19,000 22,000 2,200 11 000 --- -- <br /> NOTES - Not analyzed <br /> FLH = =loabng liquid hydrocarbons <br /> < _ -ess than Practical Quanbtabon Reporting limits stated in the August 10 1990 Tn 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 /> MPN1100ml= Most ProbaWe Number(MPN)of bacteria per one hundred milliliters <br /> « _ -ess than the indicated detection limit <br /> _ = 3reater than or equal to <br /> = Positive response for petroleum hydrocarbons as gasoline is due to the presence of an unknown hydrocarbon not gasoline <br /> Data collected by EMCON Associates of Sacramento California <br /> Data collected by Blaine Tech Services Inc of San Jose Calrfomla <br /> 0 = Duplicate sample <br /> Aegis Environmental Inc <br /> 0 02010ctober 12 1993 <br />