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t <br />�1 <br /> t <br /> 1 <br /> O <br /> Certificate of Analysis No. 940BB76-39 <br /> Engineering Science, Inc. <br /> 290 Elwood Davis Rd <br /> r _ Liverpool, NY 13088 _ <br /> ATTN: Martin Miller DATE: 09/21/94 <br /> PROJECT: Greyhound Bus Lines (`8969 PROJECT NO: 725386.08969 <br /> BITE= Stockton, CA MATRIX: SOIL <br /> SAMPLED BY: Engineering Science, Inc. DATE SAMPLED: 08/30/94 10:16:00 <br /> SAMPLE ID: SB5-15 DATE RECEIVED: 08/31/94 <br />` ANALYTICAL DATA <br /> PARAMETER RESULTS DETECTION UNITS <br /> LIMIT <br /> BENZENE 1 1 P Ag/Kg <br />� - TOLUENE 1 1 P Mg/Kg <br /> ETHYLBENZENE ND 1 P µg/Kg <br /> TOTAL XYLENE 5 1 P µg/Kg <br /> TOTAL VOLATILE AROMATIC HYDROCARBONS 7 µg/Kg <br /> Surrogate % Recovery <br /> 1,4-Difluorobenzene 79 <br /> 4-Bromofluorobenzene 116 <br /> METHOD 8020*** <br /> Analyzed by: SLB <br /> Date: 09/08/94 <br /> Total Petroleum Hydrocarbons-Diesel ND 1 P mg/kg <br /> Surrogate $ Recovery <br /> n-Pentacosane 80 <br /> Mod. 8015 - Diesel <br /> Analyzed by: SEG <br /> Date: 09/10/94 22:44:00 <br /> (P) - Practical Quantitation Limit ND - Not detected. <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. , - PrCVect Manager <br />