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0 <br /> Certificate of Analysis No. 9406842-05 <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 19 20 . 00 <br /> SAMPLE ID: MW-2 DATE RECEIVED: 06/17/94 <br /> ANALYTICAL DATA <br /> PARAMETER RESULTS DETECTION UNITS <br /> LIMIT <br /> BENZENE 56 1 P ug/L <br /> TOLUENE 430 1 P ug/L <br /> ETHYLBENZENE 77 1 P ug/L <br /> TOTAL XYLENE 410 1 P ug/L <br /> TOTAL VOLATILE AROMATIC HYDROCARBONS 973 ug/L <br /> Surrogate % Recovery <br /> 1, 4-Difluorobenzene 99 <br /> 4-Bromofluorobenzene 101 <br /> METHOD 8020*** <br /> Analyzed by LF'D <br /> Date 06/26/94 <br /> Petroleum Hydrocarbons 2 2 0 . 10 P mg/L <br /> Modified 8015 - Gasoline <br /> Analyzed by LFD <br /> Date 06/26/94 <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 /> 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 <br /> I <br />