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Certificate of Analysis No. 9406842-03 <br /> E-Z Serve, Inc <br /> 2550 North Loop West, # 600 <br /> Houston, TX 77292 <br /> ATTN Brian Cobb DATE 06/28/94 <br /> PROJECT: E-Z Serve #100878 PROJECT NO: <br /> SITE : 1012 W Yosemite Dr , Manteca MATRIX: WATER <br /> SAMPLED BY: Remedial Engineering DATE SAMPLED: 06/15/94 18 35 : 00 <br /> SAMPLE ID: MW-1 DATE RECEIVED: 06/17/94 <br /> ANALYTICAL DATA <br /> PARAMETER RESULTS DETECTION UNITS <br /> LIMIT <br /> BENZENE 66 5 P ug/L <br /> TOLUENE 500 5 P ug/L <br /> ETHYLBENZENE 88 5 P ug/I' <br /> TOTAL XYLENE 450 5 P ug/L <br /> TOTAL VOLATILE AROMATIC HYDROCARBONS 1.104 ug/L <br /> Surrogate Recovery <br /> 1, 4-Difluorobenzene 97 <br /> 4--Bromof luorobenzene 1.02 � <br /> METHOD 8020*** <br /> Analyzed by LFD <br /> Date : 06/27/94 <br /> Petroleum Hydrocarbons 2 7 0 5 P mg/L <br /> Modified 8015 - Gasoline <br /> Analyzed by LFD <br /> Date 06/27/94 <br /> (p) - Practical Quantitation Limit <br /> Notes *Ref Methods for Chemical Analysis of (Water and Wastes, 1983 , EPA <br /> **Ref Standard Methods for Examination of Water & Wastewater, 17th ed <br /> ***Ref Test Methods for Evaluating Solid Waste, EPA SW846, 3rd Ed. <br /> r I <br /> r rr r rr <br /> I <br /> ' ' I <br /> QUALITY 'ASSURANCE: These analyses are performed in accordance I � <br /> with EPA guidelines for quality assurance <br /> SPL California License # , 1903 <br /> I I <br /> II I I I II I � I I II <br /> I � I <br /> f k <br /> SPL, Inc - Project Manager <br /> f <br />