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i • i <br /> TABLE 2 <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 /> (MPN/100ml) (MPN1100ml) <br /> Gasoline Benzene Toluene Ethyk Total <br /> benzene Xylenes <br /> MW-1 07/23/90 0 350 00019 00015 00006 0 002 --- 5 «2 <br /> 10/09/90 < 00008 < < < 0 005 13 «2 <br /> 01/10190 0 070 00009 < < c — 136 Neg <br /> 04/09/91 < < c < c --- «10 «10 <br /> 07/17/91 0 130 0 001 < < < - 23 23 <br /> 10/08/91 0160' 00016 < < < -- 92 92 <br /> 02/26/92 0 043 00083 00026 00006 00014 -- «2 «2 <br /> 05/12/92 0 090 0 005 < < 00006 - 70 <<3 8 <br /> 07!08192 0 053 00059 000052 c 000089 <<3 8 «3 8 <br /> --- <br /> 10/15/92 0 076 00056 000068 < c -- «3 8 «3 8 <br /> 01/11/93 0 098 00033 < < < - «2 0 -- <br /> 04/28/93 0 065 00037 < 00013 00053 --- --- -- <br /> 08126/93 < < < < < - – -11/22/93 < c < c - <br /> 02/15/94 < < < < - <br /> 05/10/94 < < < < < - -- - <br /> 08/16/94 < < < <11117194 < < < < < – -- <br /> 02121195 006 < < < < --- — <br /> MW-1D 01/11/93 0290 0028 < -- <br /> (' 04/28/93 0 070 0 043 000064 00019 00076 -- – - <br /> 08/26/93 < < < c < --- -- -- <br /> NOTES = Not analyzed <br /> c = Less than Practical quantitation Reporting limits stated in the August 10 1990 Tn Regional Board <br /> Staff Recommendations for Preliminary Evaluation and Investigation of Underground Tank Sites"(0050 ppm log TPH <br /> 0 0005 ppm for BT EX) <br /> MPNI100ml = Most Probable Number(MPN)of bacteria per one hundred milliliters <br /> e< = Less than the indicated detection limit <br /> >_ = Greater than or equal to <br /> Postuve response for peboleum hydrocarbons as gasoline is due to the presence of an unknown hydrocarbon not gasohne <br /> D - Duplicate sample <br /> Samples collected prior to July 27 1992 by Aegis Environmental tnc of Roseville California <br /> Samples collected from July 27 through October 1$ 1992 by EMCON Associates of Sacramento California <br /> Samples collected atter October 15 1992 by Blaine Tech Services Inc of San Jose California <br /> Fugro <br /> 9347-0020fFetuuary 1995 <br />