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TABLL 2 <br /> ANALYTICAL RESULTS GROUNDWATER <br /> SHELL SERVICE STATION (WIC No 204-7525-0104) <br /> 6131 PACIFIC AVENUE, STOCKTON, CALIFORNIA <br /> (parts-per-mllhon) <br /> Total Aromatic Volatile Organics <br /> Monitoring Petroleum Total Total Fecal <br /> Well Collected Hydrocarbons Lead Coliform Coliform <br /> (MPN1100ml) (MPNM00ml) <br /> Gasoline Benzene Toluene Ethyl- Total <br /> benzene Xylenes <br /> MW-3 07/23/90 630 100 '180 1 8 11 0 -- 540 33 <br /> 10109/90 690 7 9 120 1 2 9 0 —0 002 X2,400 920 <br /> 01/10/90 630 100 170 12 72 -- 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 /> 07/08/92 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 10/15/92 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 22 110 -- — -- <br /> 11/22/93 1500 190 280 «0 250 150 --- <br /> 02/15t94 1200 220 31 0 2 5 140 --- <br /> 05h0/94 150 19 28 2 5 13 --- -- -- <br /> 08/16/94 85 18 28 2 2 13 -- — - <br /> 11/17/94 120 17 26 2 9 11 -- -- — <br /> 02f21/95 110 17 27 21 14 - - - <br /> MW-3D 05/10/94 150 20 29 2 5 14 - — -- <br /> ("Dup-1") 08116/94 140 18 29 2 6 13 -- -- <br /> 11/17/94 110 17 27 2 5 11 — --- — <br /> 02/21/95 120 14 23 23 14 --- - --- <br /> I <br /> NOTES = Not analyzed <br /> < = Less than Practical Quantitation Reporting limits stated in the August 10 1990 7n Regional Board <br /> Staff Recommendations for Preliminary Evaluation and Investigation of Underground Tank Sites"(0050 ppm for TPH <br /> 0 0005 ppm for BTEX) <br /> MPNl100m1 = Most Probable Number(MPN)of bacteria per one hundred milliliters <br /> « = Less Bran 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 /> D = Duplicate sample <br /> Samples collected prior to duly 27 1992 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 /> Fugro <br /> 9347-0020fFebruary 1995 <br />