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J 1 <br /> 1 <br /> q <br /> O r <br /> Certificate of Analysis No. 9409105-22 <br /> Engineering Science, Inc. <br /> 290 Elwood Davis Rd <br /> Liverpool, NY 13088 <br /> ATTN: Martin Miller DATE: 09/26/94 <br /> PROJECT: Greyhound #8969 PROJECT NO: 725386. 08969 <br /> SITE: Stockton, California MATRIX: SOIL <br /> SAMPLED BY: Engineering Sciences DATE SAMPLED: 08/31/94 10:25:00 <br /> SAMPLE ID: SBS-25 DATE RECEIVED: 09/02/94 <br /> ' ANALYTICAL DATA <br /> PARAMETER RESULTS DETECTION UNITS <br /> BENZENE LIMIT <br /> TOLUENE ND 5 P Ag/Kg <br /> ETHYLBENZENE ND 5 P µg/Kg <br /> TOTAL XYLENE 16 5 P Ag/Kg <br /> TOTAL VOLATILE AROMATIC HYDROCARBONS 130 5 P 14 6 Ag/Kg <br /> �,g/Kg <br /> Surrogate Recovery <br /> � 1,4-Difluorobenzene 77 <br /> 4-Bromofluorobenzene 88 <br /> METHOD 8020*** <br /> Analyzed by: JZL <br /> Date: 09/10/94 <br /> Total Petroleum Hydrocarbons-Diesel 960 100 P mg/kg <br /> Surrogate $ Recovery <br /> n-Pentacosane 631 « <br /> Mod. 8015 - Diesel <br /> ' Analyzed by: SEG <br /> Date: 09/14/94 20:13 :00 <br /> ND - Not detected. (P) - Practical Quantitation Limit <br /> Recovery beyond control limits. <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 1 1903 <br /> SPL, Inc. , - Project M ger <br />