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' 7 <br /> O <br /> Certificate of Analysis No. 899501235-06 <br /> EZ Serve Inc. <br /> 2550 North Loop West, , 600 <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 DATE SAMPLED: 12/30/94 <br /> SAMPLE ID: AS1-75' DATE RECEIVED: 01/09/95 <br /> -- ANALYTICAL DATA - <br /> PARAMETER RESULTS DETECTION UNITS <br /> LIMIT <br /> BENZENE 5 1 P gg/Kg <br /> TOLUENE 3 1 P Ag/Kg <br /> ETHYLBENZENE ND 1 P Ag/Kg <br /> TOTAL XYLENE 4 1 P Ag/Kg <br /> TOTAL VOLATILE AROMATIC HYDROCARBONS 12 Ag/Kg <br /> Surrogate % Recovery <br /> 1,4-Difluorobenzene 94 <br /> 4-Bromofluorobenzene 97 <br /> METHOD 8020*** <br /> Analyzed by: LFD <br /> Date: 01/10/95 <br /> Petroleum Hydrocarbons - Gasoline 0. 10 0. 1 P mg/Kg <br /> Surrogate % Recovery <br />' 1,4-Difluorobenzene 95 <br /> 4-Bromofluorobenzene 108 <br /> Modified 8015 - Gasoline <br /> Analyzed by: LFD <br /> Date: 01/10/95 <br /> (P) - Practical Quantitation Limit ND - Not detected. <br /> Notes: *Ref: Methods for Chemical Analysis of Water and Wastes, 1983, EPA <br /> I <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 /> QUALITY ASSURANCE: These analyses are performed in accordance <br /> with EPA guidelines for quality assurance. <br /> SPL California License 0 1903 <br /> SPL, Inc. , - Project Manager <br />