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Certificate of Analysis No. 9406842-08 <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 20 26 00 <br /> SAMPLE ID: MW-5 DATE RECEIVED: 06/17/94 <br /> ANALYTICAL DATA <br /> PARAMETER RESULTS DETECTION UNITS <br /> LIMIT <br /> BENZENE 160 5 P gg/L <br /> TOLUENE 280 5 P µg/L <br /> ETHYLBENZENE 190 5 P µg/L <br /> TOTAL XYLENE 800 5 P gg/L <br /> TOTAL VOLATILE AROMATIC HYDROCARBONS 1430 jug/L <br /> Surrogate It Recovery <br /> 1, 4--Difluorobenzene 100 <br /> 4-Bromofluorobenzene 106 <br /> METHOD 8020*** <br /> Analyzed by LFD <br /> Date 06/27/94 <br /> Petroleum Hydrocarbons 4 . 3 0 5 P mg/L <br /> Modified 8015 - Gasoline <br /> Analyzed by LF'D <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 /> I <br /> I r <br /> I � <br /> I <br /> QUALITY ASSURANCE: These analyses are performed in accordance <br /> with EPA guidelines .-for quality, assurance <br /> SPL' California License # 1903 <br /> SPL, Inc - Project Manager I I1r � I q <br /> k i r I f <br /> t_('� IIIi1I <br /> - u, r i <br />