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�• Trace Analysis Laboratory, Inc. <br /> Telephone (510) 783-6960 <br /> 3423 Investment Boulevard, #8 • Hayward, California 94545 Facsimile (510) 783-1512 <br /> LOG NUMBER: 3907 <br /> DATE SAMPLED: 12/08/93 <br /> == DATE RECEIVED. 12/10/93 <br /> DATE ANALYZED: 12/15/93 <br /> DATE REPORTED: 12/16/93 <br /> CUSTOMER: E-Z Serve Petroleum Marketing Company <br /> REQUESTER: Tony Ramirez of Hydro-Environmental Technologies, Inc <br /> PROJECT: No. 7-239, E-Z Serve-Manteca <br /> Sample Type• Water <br /> MW-7 MW-8 Method Blank <br /> Method and Concen- Reporting Concen- Reporting Concen- Reporting <br /> Constituent: Units tration Limit tration Limit trattign _ Limit <br /> DHS Method: <br /> Total Petroleum Hydro- <br /> carbons as Gasoline ug/1 NO 50 NO 50 NO 50 <br /> Modified EPA Method 8020 for: <br /> Benzene ug/1 ND 0.50 NO 0.50 ND 0.50 <br /> Toluene ug/1 NO 0.50 ND 0.50 ND 0 50 <br /> Ethylbenzene ug/l NO 0.50 ND 0.50 ND 0.50 <br /> Xylenes ug/1 NO 1.5 ND 1.5 NO 1 5 <br /> OC Summary: <br /> % Recovery: 96 <br /> % RPD: 7 5 <br /> I <br /> Concentrations reported as ND were not detected at or above the reporting limit <br /> L'ou,s w. DuPuis <br /> Quality Assurance/Quality Control Manager <br /> I it <br /> r I , <br /> I l <br /> I , I <br /> ' � I <br /> 44 p r <br /> il'r�l � � r r i�'� ill I I�il <br /> Founding Member of the Rssocratronl Df Calrforr+�a resting,Laboratoi fes <br /> �' I,I li I I I'f�l <br />