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, h <br /> Trace Analysis Laboratory, Inc. Telephone (510) 783-6960 <br /> 3423 Investment Boulevard #8 • Hayward California 94545 Facsimile (510) 783-1512 <br /> •~= = c LOG NUMBER: 2817 <br /> DATE SAMPLED. 12/23/92 <br /> DATE RECEIVED: 12/29/92 <br /> DATE ANALYZED: 01/06/93 and 01/07/93 <br /> DATE REPORTED: 01/06/93 <br /> CUSTOMER E-Z Serve Petroleum Marketing Company <br /> REQUESTER Paul Martin of Environmental Oversight, Inc <br /> PROJECT: No 100878, E-Z Serve, Manteca, CA <br /> _ Sample Type- Water <br /> MW-1 MW-2 MW-3 <br /> Method and Concen- Reporting Concen- Reporting Concen- Reporting <br /> Constituent: Units tration Limit tration - Lim1t tration Limit <br /> DHS Method: <br /> Total Petroleum Hydro- <br /> carbons as Gasoline ug/l 55 50 1,400 950 670 240 <br /> Modified EPA Method 8020 for- <br /> Benzene ug/l 1.6 0.50 94 2.0 3 7 0.50 <br /> Toluene ug/l ND 0.50 16 1.2 ND 0 50 <br /> Ethylbenzene ug/l 1.5 0 50 97 2.0 7 6 0 50 <br /> Xylenes ug/l ND 1 5 140 4.8 8 2 1.5 <br /> MW-4 MW-5 MW-6 <br /> Method and Concen- Reporting Concen-- Reporting Concen- Reporting <br /> Constituent. Units tration Limit tration Limit tration _ unit <br /> DNS Method: <br /> Total Petroleum Hydro- <br /> carbons as Gasoline ug/l ND 50 1,300 950 ND 50 <br /> Modified EPA Method 8020 for- <br /> Benzene ug/l 0.56 0.50 39 '2.0 ND 0.50 <br /> Toluene ug/l ND 0 50 7.4 1 2 ND 0.50 <br /> Ethylbenzene ug/l ND 0 50 43 2.0 ND 0.50 <br /> Xylenes ug/l ND 1 5 110 4.8 ND 1.5 <br /> Concentrations reported as ND were not detected at or above the reporting limit. <br /> I <br /> Sample MW3 was analyzed 1 day beyond the 14-day holding time for this analysis <br /> Jill <br /> I FourdrngIMember of rhe Association of California,Testing Laboratories <br />