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TABLE 2 <br /> ANALYTICAL RESULTS GROUNDWATER <br /> SHELL SERVICE STATION <br /> 620 WEST CHARTER WAY, STOCKTON, CALIFORNIA <br /> (All results in parts-per-million) <br /> Monitoring Date Total Petroleum Aromatic Volatile Organics <br /> Well Collected Hydrocarbons <br /> Gasoline Benzene Toluene Ethyl- Total <br /> benzene Xylenes <br /> MW-7 01/10/90 FLH FLH FLH FLH FLH <br /> 03/28/90 FLH FLH FLH FLH FLH <br /> 07/31/90 FLH FLH FLH FLH FLH <br /> 10/24/90 FLH FLH FLH FLH FLH <br /> 01/31/91 FLH FLH FLH FLH FLH <br /> 04/26/91 54 45 73 1 7 74 <br /> 07/23/91 FLH FLH FLH FLH FLH <br /> 10130!91 130 25 64 1 6 10 <br /> 01/26/92 FLH FLH FLH FLH FLH <br /> 04/30/92 FLH FLH FLH FLH FLH <br /> 07/10/92 14 022 1 4 054 26 <br /> 10/09/92 FLH' FLH* FLH' FLH' FLH* <br /> 02/19/93 43 036 1 4 1 0 53 <br /> 05/28/93 11 0 140 0 210 0 290 11 <br /> 08/27/93 2 9 0 063 0 060 0 067 0 280 <br /> 11122/93 16 0 140 0 150 0 270 0 560 <br /> 02/15/94 49 071 04 085 1 5 <br /> 05/10/94 65 033 0 061 024 042 <br /> 08/16/94 14 1 0 012 048 036 <br /> MW-8 03/28/90 86 27 0 250 0 030 0 520 <br /> 07/31/90 26 84 0 740 0200 0 400 <br /> 10/24/90 16 68 0 180 0 140 0 170 <br /> 01/31/91 17 85 037 021 045 <br /> 04/26/91 15 63 026 015 039 <br /> 07/23/91 15 64 0 3 015 035 <br /> 10/30/91 21 51 021 0 097 012 <br /> 01/28/92 17 50 012 014 026 <br /> 04/30/92 13 46 0 092 013 010 <br /> 07/10/92 72 35 «0 05 0 097 «0 05 <br /> 10/09/92 29 26 37 «0 05 5 7 <br /> 02/20/93 66 1 2 0 081 0 069 065 <br /> 05/28/93 12 0 110 0 150 0 027 34 <br /> 08/27/93 11 «0 02 0 140 0 071 2 4 <br /> 11/22/93 61 «0 005 0 027 0 020 1 2 <br /> 02/15/94 4 5 «0 010 0 026 «0 010 1 0 <br /> 05/10194 23 «0010 «0010 «0010 03 <br /> 08/16/94 1 1 00035 00065 00037 005 d i <br /> MW-8D 10/09/92 27 22 3 < 58 <br /> (DUP-1) <br /> NOTES -- = Not analyzed <br /> FLH = Floating liquid hydrocarbons <br /> FLH' = Skimmer In well(Installed October 9 1992) <br /> < = Below Practical Quantitation Reporting Limtts per-Tn Regional Board Staff Recommendations for Preliminary Evaluabon <br /> Kt - and Investigation of Underground Tank Sites (August 10 1990) (POLtor BTFJC=0 0005 ppm TPH as gasoline and diesel=0 05 ppm) <br /> Below indicated detection hrtM labeled m the analytical laboratory reports. <br /> 0 = Duplicate sampie <br /> NS = Not sampled <br /> Fugro <br /> 91 246/August 1994 <br />