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0 <br /> Certificate of Analysis No. H9-9501235-•10 <br />' EZ Serve Inc. <br /> 2550 North Loop West, 0600 <br /> Houston, TX 77292 <br /> ATTN: Brian Cobb DATE: 01/18/95 <br /> PROJECT: EZ Serve - Stockton PROJECT NO: 1567 <br /> SITE: Stockton, CA MATRIX: SOIL <br /> SAMPLED BY: Brown & Caldwell DATL SAMPLED: 12/30/94 <br /> SAMPLE ID: D4 DATE RECEIVED: 01/09/95 <br /> ANALYTICAL DATA <br /> PARAMETER RESULTS DETECTION UNITS <br /> LIMIT <br /> BENZENE ND 50 P µg/Kg <br /> TOLUENE 300 50 P µg/Kg <br /> ETHYLBENZENE 270 50 P µg/Kg <br />' TOTAL XYLENE 2300 50 P µg/Kg <br /> TOTAL VOLATILE AROMATIC HYDROCARBONS 2870 Ag/Kg <br /> Surrogate % Recovery <br /> 1,4-Difluorobenzene 89 <br /> 4-Bromofluorobenzene 99 <br /> METHOD 8020*** <br /> Analyzed by: DAO <br /> Date: 01/11/95 <br /> Petroleum Hydrocarbons - Gasoline 85 5.0 P mg/Kg <br /> Surrogate % Recovery <br />' 1, 4-Dif luorobenzene 103 <br /> 4-Bromofluorobenzene 184 « <br /> Modified 8015 - Gasoline <br /> Analyzed by: DAO <br /> Date: 01/11/95 <br /> ND - Not detected. (P) - Practical Quantitation Limit <br /> « - Recovery beyond control limits. r <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 <br />