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i <br /> TABLE 2 <br /> ANALYTICAL RESULTS. GROUNDWATER <br /> SHELL SERVICE STATION <br /> 620 WEST CHARTER WAY, STOCKTON, CALIFORNIA <br /> (AD results in parts-per-mllGon) <br /> Monitoring Date Total Petroleum Aromatic Volatile Organics <br /> Well Collected Hydrocarbons <br /> Gasoline Benzene Toluene Ethyl- Total <br /> benzene Xylenes <br /> MW-5 01/10/90 0 100 < < c 000051 <br /> 03/28/90 1 6 00033 0012 00012 0 019 <br /> 07/31/90 1 4 0 150 0 020 0 043 0 039 <br /> 9024190 086 0 220 0 022 0 038 0 036 <br /> 01/31/91 140 1 1 52 1 9 74 <br /> 0426191 67 30 0 050 018 Oil <br /> 07/23/91 22 89 09 069 09 <br /> 10/30/91 '19 3 8 023 027 050 <br /> 01/28/92 34 9 2 044 083 1 2 <br /> 04130/92 23 81 035 076 1 3 <br /> 07/10/92 25 92 11 1 0 1 9 <br /> 10/09/92 16 33 036 <c0 05 2 3 <br /> 02/19/93 017 00074 000061 00027 00035 <br /> 0528/93 < 000086 < < 00024 <br /> 0827193 < < < < < <br /> 1122193 < < < c c <br /> 02/15/94 < < < < c <br /> 05/10/94 < c < c < <br /> MW-6 01/10/90 < < < < < <br /> 03/28/90 < < < < < <br /> 07/31/90 < < < < < <br /> 1/3119 < < < < < <br /> 01/31/911 c c [ c c <br /> 0426191 c c < < < <br /> 0723191 «0 12 «0 0011 «0 0087 cc0 0029 «0 018 <br /> 10/30/91 c < < < < <br /> 01/28/92 < < < < < <br /> 04/30/92 < 000040 < < < <br /> 07/10/92 < < < < c <br /> 10/09/92 < < 0 067 < 00014 <br /> 02/20/93 < < < c < <br /> 05/28/93 < < < < < <br /> 08/27/93 < < < c < <br /> 1122/93 < < < < < <br /> 02/15/94 < < < < e <br /> 05110!94 < < < < < <br /> MW-60 07/10/92 < < < c < <br /> (DUP-1) 02/19/93 < < < c < <br /> 05/28/93 K c < < c <br /> NOTES — = Not analyzed <br /> FLH = Floabng liquid hydrocarbons <br /> FLH' - Skimmer in+hell(installed October 9 1992) <br /> = Below Practical Quantitation Reporting Limits per Tn Regional Board Staff Recommendations for Prehrn inary Evaluation <br /> and Investigation of Underground Tank Sites"(August 10 1990) (PQLfor BTEX=0 0005 ppm TPH asgasoline and diesel=0 05 ppm) <br /> Below indicated detection limit labeled in the analytical laboratory reports <br /> D Duplicate sample <br /> NS = Not sampled <br /> Fugro <br /> 91 24&Ntay 1994 <br />