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i *OLE 2 i <br /> ANALYTICAL RESULTS GROUNDWATER ' <br /> SHELL SERVICE STATION (WIC No 204-7525-0104) <br /> 6131 PACIFIC AVENUE,STOCKTON,CALIFORNIA <br /> (parts-per-million) <br /> Total Aromatic Volatile Organics <br /> Monitoring Dale Petroleum Total Total Fecal <br /> Well Collected Hydrocarbons Lead Coliform Coliform <br /> Gasoline Benzene Toluene Ethyl- Total (MPN1100ml) (MPN/100mq <br /> benzene Xylenes <br /> MW-3 07123190 630 100 ISO 1 8 110 — 540 33 <br /> 10/09/90 690 79 120 12 90 «0 002 >2,400 920 <br /> 01/10/90 630 100 170 12 72 --- 16 Poe <br /> j 04109/91 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 07117/91 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 10/08/911 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 02/26/E12 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 05112412 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 07/08/512 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 10/15412 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 01111A13 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 04/28/513 FLH FLH FLH FLH FLH FLH FLH FLH <br /> 08/26/93 1200 190 220 2 2 110 — -- --- <br /> 11/22/513 1500 190 28 0 «0 250 150 -- — — <br /> 02/15614 1200 220 31 0 2 5 140it <br /> --- — — <br /> NOTES = Not analyzed <br /> s Leu then Practical Ouantdatan Reporting limits stated in the August 10 1990 'Tri Regional Board <br /> Staff Recommendations for Preliminary Evaluation and Investigation of Underground Tank Sites"(0 050 ppm for TPH, <br /> 00005 ppm for BTEX) <br /> MPN1100ml = Most Probable Number(MPN)of bacteria per one hundred milliliters <br /> c< = Less than the indicated detection limit <br /> > = Greater than or equal to <br /> • s Positive response for petroleum hydrocarbons as gasoline is due to the presence of an unknown hydrocarbon not gasoline <br /> D Dupikate sample <br /> Samples collected prat to July 27 1992 by Aegis Environmental Inc,of Roseville California <br /> Samples collected from July 27 through October 15 1992 by EMCON Associates of Sacramento California <br /> Samples collected after October 15 1992 by Blaine Tech Services Inc of San Jose California <br /> Fugro <br /> 9002afFebn,ary 1994 <br />