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Certificate of Analysis No. 9406842-06 <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 #100678 PROJECT NO: <br /> SITE: 1012 W. Yosemite Dr , Manteca MATRIX: WATER <br /> SAMPLED BY: Remedial Engineering DATE SAMPLED: 06/15/94 19 35 00 <br /> SAMPLE ID: MW-8 DATE RECEIVED: 06/17/94 <br /> ANALYTICAL DATA <br /> PARAMETER RESULTS DETECTION UNITS <br /> LIMIT <br /> BENZENE 27 1 P µg/L <br /> TOLUENE 260 1 P Ag/L <br /> ETHYLBENZENE 48 1 P Ag/L <br /> TOTAL XYLENE 270 1 P µg/L <br /> TOTAL VOLATILE AROMATIC HYDROCARBONS 605 pg/L <br /> Surrogate % Recovery <br /> 1, 4-Difluorobenzene 98 <br /> 4-Bromofluorobenzene 1.01 <br /> METHOD 8020*** <br /> Analyzed by LFD <br /> Date 06/25/94 <br /> Petroleum Hydrocarbons 1 4 0 . 1.0 P mg/L <br /> Modified 8015 - Gasoline <br /> Analyzed by LFD <br /> Date 06/25/94 <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 <br /> I <br /> I I <br /> I <br /> SII <br /> QUALITY ASSURANCE: These analyses are performed in accordance <br /> with EPA guidelines for quality assurance <br /> SPL California License # 1903 I { <br /> I �I <br /> II <br /> SPL, Inc - Progect Manager jl <br /> I I I I I I M I I <br /> I I.E0 1 <br /> bl III1 If I 1 <br />