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TAG 2 <br /> ANALYTICAL RESULTS. GROUNDWATER <br /> SHELL SERVICE STATION (WIC No. 204-7525-0104) <br /> 6131 PACIFIC AVENUE, STOCKTON, CALIFORNIA <br /> (Parts-pec-milhon) <br /> Total Aromatic Volatile Organics <br /> Monitoring Date Petroleum Total Total Fecal <br /> Well Collected Hydrocarbons Lead Coliform Coliform <br /> (MPN1100ml) (MPN1100mo <br /> Gasoline Benzene Toluene Ethyl Total <br /> benzene Xylenes <br /> MW-2 0723190 1 9 0 044 0 042 00071 0 021 — 33 «2 <br /> 10109/90 0 570 0 078 0 043 < 0 027 «0 002 21 «2 <br /> 01/10/90 1 2 0 36 0 075 < 0 053 — <<2 2 Neg <br /> 04!09191 45 12 01 0 012 0 210 — 1 1 1 1 <br /> 07117/91 72 36 0 440 0 140 i 0 710 --- >23 >23 <br /> 10/08/91 100 76 0 350 0 260 0 600 --- 120 120 <br /> 0226/92 170 74 0 220 0 320 13 --- c<2 <<2 <br /> 05/12/92 0 071 0 026 < 000085 00024 --- «1 «3 8 <br /> 07/08/92 4 9 16 < 0 060 0 210 --- <<3 8 <<3 8 <br /> 10/15/92 25 0 094 0 003 00042 00094 --- cc3 8 «3 8 <br /> 01/11/93 0 290 0 028 < 00063 < — «2 0 <br /> 0428!93 0 790 0 030 00018 00055 0 003 --- — <br /> 08/26/93 0 390 00096 < < c — — <br /> 11/22/93 03701 00035 < < 00014 --- .� <br /> 02/15/94 0 790 0 035 «0 002 «0 002 «0 002 <br /> 05/101'94 078 00096 < c c w W <br /> MW-2D 07/08192 50 17 < 0 061 0 230 --- <br /> ("Dug') 1122193 0 330' 00054 < < 000095 — <br /> 02/15/94 0 720 0 033 < < < — <br /> NOTES Not analyzed <br /> < Less than Practical Quentitatwn Reporting limits stated In the August 10 1990 "Tri Regional Board <br /> Staff Recommendabons for Preliminary Evaluation and Invesbgation of Underground Tank Sites"(0 050 ppm for TPH <br /> 0 0005 ppm for BTEX.) <br /> MPN1100ml Most Probable Number(MPN)of bacteria per one hundred milliliters <br /> « Less than the indicated detection hmrt <br /> Greater than or equal to <br /> ' s 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 July 27 1992 by Aegis Environmental Inc of Roseville,Catdomla <br /> Samples collected from July 27 trough 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 /> 904020/May 1994 <br /> I <br />