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! • . <br /> 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 /> Total Aromatic Volatile Organics <br /> Monitoring Date Petroleum Total Total Fecal <br /> Well Collected Hydrocarbons Lead Coliform Coliform <br /> (MPN1100mf) (MPN1100ml) <br /> Gasoline Benzene Toluene Ethyl Total <br /> benzene Xylenes <br /> MW-2 07/23/90 1 9 0 044 0 042 00071 0 021 --- 33 «2 <br /> 10109!90 0 570 0 078 0 043 < <br /> 01/10!90 1 2 036 0 075 < 0 027 «0 002 21 eg <br /> 0053 --- «2 2 Neg <br /> 04!09191 4 5 1 2 0 1 0 012 0 210 1 1 1 1 <br /> 07117/91 7 2 36 0 440 0 140 0 710 --- >23 >23 <br /> 10!08191 100 76 0 350 0 260 0 600 120 120 <br /> 0212619' 170 74 0 220 0 320 1 3 --- <<2 «2 <br /> 05/12/92 0 071 0 026 < 0 00085 00024 --- <<1 <<3 8 <br /> 07/08/92 49 1 6 < 0 060 0 210 --- «3 8 «3 8 <br /> 10/15/92 25 0 094 0 003 00042 00094 «3 8 -3 <br /> 01111!9= 0 290 0 028 < 00063 < «2 0 <br /> 04/2819-- 0 790 0 030 00018 00055 0 003 <br /> 0812619 0 390 00096 < < < <br /> 1112219 0 370' 00035 < < 00014 <br /> MW-20 07/08/92 5 0 1 7 < 0 061 0 230 <br /> ( Dup ) 11/22/93 0 330' 00054 < < 000095 --- <br /> NOTES = Not analyzed <br /> FLH = I=loating 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 Investigation 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 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 /> Ae Is Environmental Inc. <br /> 9 <br /> 900201Janu 3iy 3 19 4 <br />