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I <br /> O <br /> . Certificate of Analysis No. 89-9412474-01 <br /> EZ Serve Inc. <br /> 2550 North Loop West, #600 <br /> Houston, TX 77292 <br /> ATTN: Brian Cobb DATE: 12/30/94 <br /> PROJECT: EZ SERVE #100878 PROJECT NO: 100878 <br /> SITE: Manteca, CA MATRIX: WATER <br /> SAMPLED BY: Brown & Cadwell DATE SAMPLED: 12/07/94 15: 05:00 <br /> SAMPLE ID: MW-1 DATE RECEIVED: 12/11/94 <br /> ANALYTICAL DATA <br /> PARAMETER RESULTS DETECTION UNITS <br /> LIMIT <br /> BENZENE 3 0.5 P µg/L <br /> TOLUENE 0. 6 0.5 P pg/L <br /> ETHYLBENZENE 26 0.5 P µg/L <br /> TOTAL XYLENE 59 0.5 P pg/L <br /> TOTAL VOLATILE AROMATIC HYDROCARBONS 88 . 6 Ag/L <br /> Surrogate $ Recovery <br /> 1, 4-Dif luorobenzene 91 <br /> 4-Bromofluorobenzene 90 <br /> METHOD 8020*** <br /> Analyzed by: YN <br /> Date: 12/16/94 <br /> Petroleum Hydrocarbons - Gasoline 0.40 0.1 P mg/L <br /> Surrogate Recovery <br /> 1, 4-Dif luorobenzene 98 <br /> 4-Bromofluorobenzene 111 <br /> Modified 8015 - Gasoline <br /> Analyzed by: YN <br /> Date: 12/16/94 <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 /> t <br /> QUALITY ASSURANCE: These analyses are performed in accordance <br /> with EPA guidelines for quality assurance. I• ' <br /> SPL ,Californza License # 1903 <br /> � I ISPL, nc. , Project Manager <br /> f l l l � SII I I I <br />