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v <br /> fti <br /> s <br /> O <br /> r Z mjOld"OwMZ7 <br /> Certificate of Analysis No. 9408876-36 <br /> i <br /> Engineering Science, Inc. <br /> 290 Elwood Davis Rd <br /> Liverpool, NY 13088 <br /> ATTN: Martin Miller DATE: 09/21/94 <br /> PROJECT: Greyhound Bus Lines , 8969 PROJECT NO: 725386. 08969 <br /> SITE: Stockton, CA <br /> � SAMPLED BY: Engineering MATRIX: SOIL <br /> gineerin Science, Inc. DATE SAMPLED: 08/30/94 08:54:00 <br /> SAMPLE ID: SB4-45 ANAL DATE RECEIVED: 08/31/94 <br /> r <br /> c� <br /> PARAMETER RESULTS <br /> DATA <br /> RESULTS DETECTION UNITS <br /> BENZENE LIMIT <br /> TOLUENE ND 1 P µg/Kg <br /> ETHYLBENZENE ND 1 P Ag/Kg <br /> TOTAL XYLENE 11 1 P Ag/Kg <br /> TOTAL VOLATILE AROMATIC HYDROCARBONS 16 1 P µg/Kg <br /> 27 µg/Kg <br /> Surrogate $c Recovery <br /> 1,4-Difluorobenzene 84 <br /> 4-Bromofluorobenzene 118 <br /> METHOD 8020*** <br /> Analyzed by: SLB <br /> Date: 09/08/94 <br /> Total Petroleum Hydrocarbons-Diesel 2.1 1 P <br /> mg/kg <br /> Surrogate $ Recovery <br /> n-Pentacosane 73 <br /> Mod. 8015 - Diesel <br /> Analyzed by: SEG <br /> Date: 09/10/94 22:44 : 00 <br /> ND - Not detected. (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 />�r <br /> QUALITY ASSURANCE: These analyses are performed in accordance <br /> with EPA guidelines for quality assurance. <br /> SPL California License 1903 <br /> 0 <br /> SPL, Inc.4S�A%ecr pManager <br />