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TABLE 2 (CONTINUED) <br /> ANALYTICAL RESULTS GROUNDWATER <br /> SHELL SERVICE STATION <br /> 620 WEST CHARTER WAY STOCKTON CALIFORNIA <br /> (All result in parts.-per nietlton) <br /> • <br /> Monitoring Date Total Petroleum Aromatic Volatile Organics <br /> Well Collected Hydrocarbons <br /> Gasolene Benzene Toluene Ethyl- Total <br /> benzene Xylenes <br /> MW-4 12/18/89 25 0 025 0 004 < 0 070 <br /> 03/28/90 100 0 290 0 270 00015 0 290 <br /> 07/31/90 FLH FLH FLH FLH FLH <br /> 10/24/90 FLH FLH FLH FLH FLH <br /> 01131/91 FLH FLH FLH FLH FLH <br /> 04/26/91 FLH FLH FLH FLH FLH <br /> 07/23/91 FLH FLH FLH FLH FLH <br /> 10/30/91 FLH FLH FLH FLH FLH <br /> 01/28/92 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 81 0 990 3 9 1 3 13 <br /> 08127/93 90 0 220 0 049 < 1 0 <br /> MW-5 01/10/90 0 100 < < < 000051 <br /> 03/28/90 16 00033 0 012 00012 0 019 <br /> 07/31/90 14 0 150 0 020 0 043 0 039 <br /> 10/24/90 086 0 220 0 022 0 038 0 036 <br /> 01/31191 140 1 1 5 2 1 9 74 <br /> 04/26/91 67 30 0 050 018 Oil <br /> • 07/23/91 22 89 09 0 69 09 <br /> 10/30/91 19 38 023 027 050 <br /> 01/28/92 34 92 044 083 1 2 <br /> 04/30/92 23 81 035 076 1 3 <br /> 07/10/92 25 9 2 1 1 1 0 1 9 <br /> 10/09/92 16 33 036 < 2 3 <br /> 02/19/93 017 00074 000061 00027 00035 <br /> 05/28/93 < 000086 < < 00024 <br /> 08/27/93 < < < < <br /> MW-6 01/10/90 < < < < < <br /> 03/28/90 < < < < < <br /> 07/31/90 < < < < < <br /> 10/24/90 < < < < < <br /> 01/31/91 < < < < < <br /> 04/26/91 < < < < < <br /> 07/23/91 —0 12 «0 0011 «0 0087 «0 0029 «0 016 <br /> 10/30/91 < < < < < <br /> 01/28/92 < < < c < <br /> 04/30/92 < 000040 < < < <br /> 07/10/92 < < < < < <br /> 10/09/92 < < 0 067 < 00014 <br /> 02/20/93 < < < < < <br /> 05/28/93 < < < ` < <br /> 08/27/93 < < < < < <br /> MW-60 07/10/92 < < < < ` <br /> ( Dup ) 02/19/93 < < < < < <br /> 05/28/93 < < < < < <br /> . NOTES CLH - Floating liquid hydrocarbons <br /> 0elow Practical Ouantotahon Reporting Limns per 'rn Regional Board Staff RecdmmendaUans for Preliminary Evaluation and Investig ahon of <br /> Underground Tank Sites (August 10 1990) (POL for STEX=0 0905 ppm TPH as gasoline and diesel=0 05 ppm) <br /> Below indicated detection limit labeled in the anaiytical laboratory reports <br /> FLH _ Skimmer in well(installed October 9 1992) <br /> D = Duplicate sample <br /> Aegis Environmental Inc <br /> 91 2461pgober 12 1993 <br />