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r <br /> i <br /> O <br /> Certificate of Analysis No. 940SB76-38 <br /> r <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 MATRIX: SOIL <br /> SAMPLED BY: Engineering Science, Inc. DATE SAMPLED: 08/30/94 10:09:00 <br /> SAMPLE ID: SB5 10 DATE RECEIVED: 08/31/94 <br /> ANALYTICAL DATA <br /> i <br /> PARAMETER ANALYTICAL <br /> DETECTION UNITS <br /> BENZENE LIMIT <br /> ND 1 P µg/Kg <br /> TOLUENE ND 1 P Ag/Kg <br /> ETHYLBENZENE ND 1 P µg/Kg <br /> ` TOTAL XYLENE ND 1 P /Ag,/Kg <br /> TOTAL VOLATILE AROMATIC HYDROCARBONS ND µg/Kg <br /> Recovery <br /> Surrogate zy <br /> g � <br /> 1,4-Difluorobenzene 82 <br /> 4-Bromofluorobenzene 114 <br /> METHOD 8020*** <br /> Analyzed by: SLB <br /> ` Date: 09/08/94 <br /> r <br /> Total Petroleum Hydrocarbons-Diesel ND 1 P mg/kg <br /> i Surrogate $ Recovery <br /> n-Pentacosane 76 <br /> Mod. 8015 - Diesel <br />' ► Analyzed by: SEG <br /> Date: 09/10/94 22:44:00 <br /> ND - Not detected. <br /> (P) - practical Quantitation Limit <br /> Notes: *Ref: Methods for Chemical Analysis of Water <br /> y 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. , - project Manager <br />