ARCHIVED REPORTS XR0001144 - Laserfiche WebLink

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TABLE 2 ANALYTK,AL RESULTS GROUNDWATER SHELL SERVICE STATION 620 WEST CHARTER WAY SfOCKTON CALIFORNIA (AN results in parts-per-milhon) Monitoring Date Total Petroleum Aromatl Volatile Well Collected Hydrocarbons Gasoline Benzene Toluene Ethyl- Total benzene Xylenes MW 1 12/18/89 < < < < < 03/28/90 < < < < < 07/31/90 0130 00013 < < < 10/24/90 0 300 00022 < < < 01/31/91 55 0 064 016 0 039 0 2 04/26/91 07 0 018 00024 <<0 0015 0 017 07/23/91 13 00044 0 003 0 003 00079 10/30/91 097 0 015 <<0 0006 <<0 0006 00061 01/28/92 12 <<0 0012 00024 00017 00013 04/30/92 059 00094 000069 00012 00029 07/01/92 094 0 022 000041 000066 00045 10/09/92 < < < < < 02/19/93 03 00076 0 013 00092 0 068 MW-2 12/18/89 FLH FLH FLH FLH FLH 03/28/90 FLH FLH FLH FLH FLH 07/31/90 FLH FLH FLH FLH FLH 10/24/90 FLH FLH FLH FLH FLH 01/31/91 FLH FLH FLH FLH FLH 04/26/91 FLH FLH FLH FLH FLH 07/23/91 FLH FLH FLH FLH FLH 10/30/91 FLH FLH FLH FLH FLH 01/28/92 FLH FLH FLH FLH FLH 04/30/92 FLH FLH FLM FLH FLH 07/10/92 FLH FLH FLH FLH FLH 10/09/92 FLH* FLH* FLH* FLH* FLH* 02/19/93 FLH FLH FLH FLH FLH MW-3 12/18/89 22 003 6-01- < 010 03/28/90 19 1 20 290 045 250 07/31/90 FLH FLH FLH FLM FLH 10/24/90 FLH FLH FLH FLH FLH 01/31/91 FLH FLH FLH FLH FLH 04/26/91 14 1 7 1 2 0 49 083 07/23/91 19 28 16 0 58 1 0 10/30/91 13 17 0 40 024 020 01/28/92 22 24 082 046 041 04/30/92 11 27 0 55 0 031 025 07/10/92 18 46 1 3 065 059 10/09/92 13 1 6 086 < 19 02/20/93 1 8 < < < 043 NOTES = Not analyzed FLH - Floating t quid hydrocarbons FLH* = Skimmer m we0(installed Octooer 9 1992) < = Below Practical Quantitation Reooming Vmits per Tri Regional Board Staff Recommendations for Preliminary Evaluation and Investigation of Underground Tank Sites (August 10 1990) (POL for 6TEX=0 0005 ppm TPH as gasoline and diesel=0 05 ppm) « = Below indicated detection limit labeled in the analytical laboratory reports Aegis Environmental Inc 91 246/March 30 1993