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5 <br /> Certificate of Analysis No. 9409105-10 <br /> Engineering Science, Inc. <br /> 290 Elwood Davis Rd <br /> Liverpool, NY 13088 <br /> f ATTN: Martin Miller <br /> DATE: 09/26/9 <br /> PROJECT: Greyhound #8969 PROJECT INTO: 725386.08969 <br /> SITE: Stockton, California MATRIX; SOIL <br /> f� SAMPLED BY: Engineering Sciences DATE SAMPLED: 08/31/94 07:35:0[ <br /> SAMPLE ID: SB7-5 DATE RECEIVED: 09/02/94 <br /> ANALYTICAL DATA <br /> PARAMETER RESULTS DETECTION UNITS <br /> BENZENE LIMIT <br /> TOLUENE ND 1 P µg/Kg <br /> ETHYLBENZENE <br /> TOTAL XYLENE ND 1 P µg/Kg <br /> ND I P µg/Kc <br /> TOTAL VOLATILE AROMATIC HYDROCARBONS ND lig/K9 <br /> Surrogate Recovery <br /> 1,4-Difluorobenzene 79 <br /> 4-Bromofluorobenzene 78 <br /> ti METHOD 8020*** <br /> Analyzed by: JZL <br /> 1 Date: 09/10/94 <br /> Total Petroleum Hydrocarbons-Diesel 6.0 1 p <br /> m4/k5 <br />{ Surrogate <br /> Recovery <br /> r n-Pentacosane 137 <br /> Mod. 8015 - Diesel <br /> Analyzed by: SEG <br /> Date: 09/13/94 17:59:00 <br /> ND -- Not detected. (P) - Practical Quantitation Limit <br />, M <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 /> 1 <br /> SPL, Inc. , - Prod of Manager <br /> r <br />