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i <br /> r <br /> O <br /> 7 <br /> Certificate Of Analysis No. 9409105-08 <br />` Engineering Science, Inc. <br /> 290 Elwood Davis Rd <br /> Liverpool, NY 13088 <br /> ATTN: Martin Miller DATE: 09/26/9 <br /> I <br /> PROJECT: Greyhound #8969 PROJECT NO: 725386.08969 <br /> SITE: Stockton, California MATRIX: SOIL <br />►� SAMPLED BY: Engineering Sciences DATE SAMPLED: 08/30/94 15:05:0 <br /> SAMPLE ID: SB6-40 DATE RECEIVED: 09/02/94 <br /> ANALYTICAL DATA <br /> PARAMETER RESULTS DETECTION UNIT! <br /> LIMIT <br /> BENZENE <br /> ND 1 P gg/Kc <br /> TOLUENE ND 1 P gg/Kc <br /> ETHYLBENZENE ND 1 P µg/Kc <br /> TOTAL XYLENE ND 1 P µg/Kc <br /> TOTAL VOLATILE AROMATIC HYDROCARBONS ND µg/Kc <br /> r <br /> Surrogate Recovery <br /> 1,4-Difluorobenzene 79 <br />' 4-Bromofluorobenzene 78 <br /> METHOD 8020*** <br /> Analyzed by: JZL <br /> Date: 09/10/94 <br />` Total Petroleum Hydrocarbons-Diesel 1.2 1 P mg/kc <br />` Surrogate Recovery <br /> n-Pentacosane 159 « <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 /> « - Recovery beyond control limits. <br />�r <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 /> Y� ***Ref: Test Methods for Evaluating Solid Waste, EPA SW846, 3rd Ed. <br /> 1 � <br /> QUALITY ASSURANCE: These analyses are performed In accordance <br /> with EPA guidelines for quality assurance. <br /> SPL California License # 1903 <br /> SPL, Inc. , - Proje t anager <br />�r <br />