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TABLE 2 (CONTINUED) <br /> ANALYTICAL RESULTS GROUNDWATER <br /> SHELL,SERVICE STATION (WIC No 204 7525-0104) <br /> 6131 PACIFIC AVENUE STOCKTON CALIFORNIA <br /> (parts per million) <br /> I <br /> Total Aromatic Volatile Organics <br /> Monitoring Date Petroleum Total Total Fecal <br /> Well Collected Hydrocarbons Lead Coliform Coliform <br /> Gasoline Benzene Toluene Ethyl- Total (MPNI100m1) (MPN1100m1) <br /> benzene Xylenes <br /> MW-3 07/2319D 63 0 100 180 1 8 11 0 - 540 33 <br /> 10/09/90 69 0 7 9 120 1 2 9 0 «0 002 >2 400 920 <br /> 01110!93 630 100 170 1 2 7 2 --- 16 Pos <br /> 04/09/91 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 07/17/91 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 10/08/91 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 02/26/92 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 05/12/92 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 0710819? FLH FLH FLH FLH FLH FLH FLH FLH <br /> 10/15/9? FLH FLH FLH FLH FLH FLH FLH FLH <br /> 01/11!93 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 04/28/93 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 08/26/93 1200 190 220 22 11 0 --- --- <br /> 11/22193 <br /> __11/22193 1500 190 260 «0 250 150 <br /> NOTES = Not analyzed <br /> FLH = Floating liquid hydrocarbons <br /> < = Less than Practical Quantitation Reporting limits stated in the August 10 1990 Tri-Regional Board <br /> Staff Recommendations for Preliminary Evaluation and Invesligalian of Underground Tank Sites (50 ppb for TPH <br /> 0 5 ppb for BTEX) <br /> MPNI100ml - Most Probable Number(MPN) of bacteria per one hundred milliliters <br /> << = Less than the indicated detection limit <br /> = Greater than or equal to <br /> D = Duplicate sample <br /> Samples collected prior to July 27 199' by Aegis Environmental, Inc of Roseville California <br /> Samples collected from July 27 through October 15 1992 by EMCON Associates of Sacramento California <br /> Samples collected after October 15 1992 by Blaine Tech Services Inc of San Jose California <br /> Aegis Envuenmentdi knc <br /> 90 020kinuaiy 3 191) <br />