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I <br /> i <br /> Certificate of Analysis No. 9410007-06 <br /> EZ Serve Inc. <br /> 2550 North Loop West, #600 <br /> Houston, TX 77292 <br /> ATTN: Brian Cobb DATE: 10/10/94 <br /> PROJECT: EZ Serve #100878 PROJECT NO: 1565-04 <br /> SITE: Manteca, California MATRIX: SOIL <br /> SAMPLED BY: Brown & Cadwell DATE SAMPLED: 09/27/94 12 :40:00 <br /> SAMPLE ID: MW-5 DATE RECEIVED: 09/30/94 <br /> ANALYTICAL DATA <br /> PARAMETER RESULTS DETECTION UNITS <br /> LIMIT <br /> BENZENE 22 1 P Ag/L <br /> TOLUENE ND 1 P µg/L <br /> ETHYLBENZENE 27 1 P Ag/L <br /> TOTAL XYLENE 34 1 P µg/L <br /> TOTAL VOLATILE AROMATIC HYDROCARBONS 83 Ag/L <br /> Surrogate Recovery <br /> 1,4-Difluorobenzene 105 <br /> 4-Bromofluorobenzene 90 <br /> METHOD 8020*** <br /> Analyzed by: JZL <br /> Date: 10/09/94 <br /> Petroleum Hydrocarbons - Gasoline 0.46 0. 1 P mg/L <br /> Surrogate $ Recovery <br /> 1,4-Difluorobenzene 155 « <br /> 4-Bromofluorobenzene 127 <br /> Modified 8015 - Gasoline <br /> Analyzed by: JZL <br /> Date: 10/09/94 <br /> (P) - Practical Quantitation Limit ND - Not detected. <br /> « - Recovery beyond control limits. <br /> I I <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, 13rd Ed. <br /> I f <br /> QUALITY ASSURANCE: These analyses are performed in accordance <br /> I with EPA guidelines for quality assurance. <br /> SPL! California License # 19,03 I <br /> I' ip <br /> I v I <br /> SPL, Inc. , - Project Manager <br /> I <br /> € I I <br />