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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 BenzeneToluene Ethyl- Total <br /> benzene Xylenes <br /> MW-3 12/18/89 2 2 003 001 < 010 <br /> 03128190 19 1 20 290 045 2 50 <br /> 07/31/90 FLH FLH FLH FLH FLH <br /> 10/24/90 FLH FLH FLH FLH FLH <br /> 01/31/91 FLH FLH i <br /> I FLH FLH FLH <br /> 04/26/91 14 1 7 1 2 049 0 83 <br /> 07/23/91 19 2 8 1 6 058 1 0 <br /> 10/30/91 13 1 7 040 024 020 <br /> 01/28/92 22 24 0 82 046 0 41 <br /> 04/30/92 11 2 7 0 55 0 031 025 <br /> 07/10/92 18 4 6 1 3 065 059 <br /> 10/09/92 13 1 6 086 1 9 <br /> 02/20/93 1 8 < < < 0 43 <br /> 05/28/93 29 0 021 0 011 < 0 560 <br /> 08/27/93 35 < < < 0 470 <br /> 11/22/93 1 4 < < 0 001 0 090 <br /> 02115/94 < < < < < <br /> 05/10/94 < < < < < <br /> 08/16/94 013 0 002 00022 000078 00097 <br /> MW-3D 08/27/93 3 3 «0 02 «0 02 «0 02 0 370 <br /> (OUP-1) 11/22/93 1 3 < < 1 0 0 091 <br /> MW-4 12/18/89 2 5 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 /> 08/27193 9 0 0 220 0 049 «0 025 1 0 <br /> 11/22/93 490 1 1 0 680 36 18 <br /> 02/15/94 18 037 028 037 23 <br /> 05/10/94 15 017 014 0 2 1 4 <br /> 08/16/94 18 0 5 012 019 084 taro c <br /> CAI— <br /> NOTES — - Not analyzed <br /> FLH = Floating liquid hydrocarbons. <br /> FLH* = Slummer in well(installed October 9 1992 <br /> < = Below Practical Ouentrtetion Reporting Limns per Tn Regional Board Staff Recommendations for Preliminary Evaluation <br /> and Investigation of Underground Tank Slee'(August 10 19 (POI-for STEX=0 0005 ppm TPH as gasoline and diesel=0 05 ppm) <br /> <e Below indicated detection Irmrt labeled in the analytical laboratory reports. <br /> D = Duplicate sample <br /> NS = Not sampled <br /> Fugrp <br /> 91 248/August 1994 <br />