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L <br /> TABLE 2 <br /> ANALYTICAL RESULTS: GROUNDWATER <br /> SHELL SERVICE STATION <br /> 620 WEST CHARTER WAY, STOCKTON, CALIFORNIA <br /> (AN results in parts-per-million) <br /> Monrtonng Date Total Petroleum Aromatic Volatile Organics <br /> Well Collected Hydrocarbons <br /> Gasoline Benzene Toluene Ethyl- Total <br /> benzene Xylenes <br /> MW-1 12/18/89 < c c < < <br /> 03/28!90 c < c c t <br /> 07/31/90 0 130 00013 < < < <br /> 10/24190 0 300 00022 < < < <br /> 01/31/91 55 0 064 016 0 039 0 2 <br /> 04/26/91 0 7 0 018 00024 <c0 0015 0 097 <br /> 07/23/91 1 3 00044 0 003 0 003 00079 <br /> 10/30/91 097 0 015 <<O 0006 cc0 0006 00061 <br /> 01/28/92 1 2 «0 0012 00024 00017 00013 <br /> 04/30/92 059 00094 000069 00012 00029 <br /> 07/01/92 094 0 022 000041 000066 00045 <br /> 10/09/92 c e < < < <br /> 02/19/93 03 00076 0 013 00092 0 068 <br /> 05/28/93 c < < < < <br /> 08/27/93 < < < < < <br /> 11/22/93 c < < < <br /> 02/15/94 c < < < < <br /> 05/10/94 < c c e c <br /> MW-2 12/18/89 FLH FLH FLH FLH FLH <br /> 03/28190 FLH FLH FLH FLH FLH <br /> 07/31190 FLH FLH FLH FLH FLH <br /> 10124/90 FLH FLH FLH FLH FLH <br /> 01131/91 FLH FLH FLH FLH FLH <br /> 04/28/91 FLH FLH FLH FLH FLH <br /> 07!23/91 FLH FLH FLH FLH FLH <br /> 10/30/91 FLH FLH FLH FLH FLH <br /> 09/28/92 FLH FLH FLH FLH FLH <br /> 04/30/92 FLH FLH FLH FLH FLH <br /> 07/10/92 FLH FLH FLH FLH FLH <br /> 10/09/92 FLH' FLH' FLH' FLH" FLH' <br /> 02/19/93 FLH FLH FLH FLH FLH <br /> 05/28/93 130 0 800 28 068 18 <br /> 08/27/93 66 0 360 0 290 «0 2 8 3 <br /> 1122/93 340 28 43 29 30 <br /> 02/15/94 59 021 02 027 6 9 <br /> 05/10/94 70 1 4 1 1 1 5 120 <br /> MW-2D05/10/94 76 1 3 1 0 1 5 120 <br /> (D U P-1) <br /> NOTES — = Not analyzed <br /> FLH = Floating liquid hydrocarbon& <br /> FLH' = Slomrner in well(installed October 9 1992) <br /> < = Below Practical OuanOtation Reporting Llmrts per Tn Regional Board Staff Recommendations for Prellnanary Evaluation <br /> and investigation of Underground Tank Sdes'(August 10 1990) (POI-for BTEX=0 0005 ppm TPH asgasdrne and dasel-0 05 ppm.) <br /> e< = Below indicated detection limit labeled in the analytical laboratory report& <br /> 6 Duplicate sample <br /> NS - Not sampled <br /> Fugro <br /> 91 24&May 1994 <br />