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wnr�rr <br /> i <br /> Certificate of Analysis No. H9-9503A37-09' <br /> EZ Serve Inc. <br /> 2550 North Loop West, ,#600 <br /> Houston, TX 77292 <br /> ATTN: Brian Cobb DATE: 04/04/95 <br /> PROJECT: EZ-Servw 1100878 PROJECT NO: 1565-04 <br /> SITE: Manteca, California MATRIX: WATER <br /> SAMPLED BY: Brown & Caldwell DATE SAMPLED: 03/24/95 12:37:00 <br /> SAMPLE ID: 100878-MW-2D DATE RECEIVED: 03/25/95 <br /> ANALYTICAL DATA <br /> PARAMETER RESULTS DETECTION UNITS <br /> LIMIT <br /> BENZENE 49 0.5 P µg/L <br /> TOLUENE 50 0.5 P ug/L <br /> ETHYLBENZENE 200 0.5 P µg/L <br /> TOTAL XYLENE 670 0.5 P ;Cg/L <br /> TOTAL VOLATILE AROMATIC HYDROCARBONS 969 jAg/L <br /> Surrogate Recovery <br /> 1,4-Difluorobenzene 97 <br /> • 4-Bromofluorobenzene 119 <br /> METHOD 8020*** <br /> Analyzed by: DAO <br /> Date: 03/30/95 <br /> Petroleum Hydrocarbons - Gasoline 2900 50 P gg/L <br /> Surrogate Recovery <br /> 1,4-Difluorobenzene 94 <br /> 4-Bromofluorobenzene 79 <br /> Modified 8015 - Gasoline <br /> Analyzed by: DAO <br /> Date: 03/30/95 <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 /> f <br /> 1 <br /> If II , <br /> QUALITY ASSURANCE: These analyses are performed in accordance <br /> Ir with �EPA guidelines for quality assurance. <br /> I <br /> SPL! California License # 1903 <br /> I <br /> 1 1 <br /> SPL, Inc. , - Pro)ect Manager " <br />