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0 <br /> Certificate of Analysis No. H9-9412875-01 <br /> Engineering Science, Inc. <br /> 290 Elwood Davis Rd <br /> Liverpool, NY 13088 <br /> ATTN: Martin Miller DATE: 12/28/94 <br /> PROJECT: Greyhound Stockton, Eng.Sci. PROJECT NO: 725218. 08969 <br /> SITE: Stockton, CA MATRIX: LIQUID <br /> SAMPLED BY: Engineering Science DATE SAMPLED: 12/19/94 11: 30: 00 <br /> SAMPLE ID: MW-1 DATE RECEIVED: 12/20/94 <br /> ANALYTICAL DAT <br /> PARAMETER RESULTS DETECTION UNITS <br /> LIMIT <br /> BENZENE ND 0 . 5 P lig/L <br /> TOLUENE ND 0. 5 P ✓ Ag/L <br /> ETHYLBENZENE ND 0. 5 P gg/L <br /> TOTAL XYLENE ND 0 . 5 P Ag/L <br /> TOTAL VOLATILE AROMATIC HYDROCARBONS ND aa/- <br /> L-Surrogate Recovery <br /> 1, 4-Difluorobenzene 93' <br /> 4-Bromofluorobenzene 84 • <br /> METHOD 8020*** <br /> Analyzed by: YN <br /> Date: 12/27/94 <br /> Total Petroleum Hydrocarbons-Diesel 0. 05 0. 05 P -1/ <br /> Surrogate Recovery <br /> o-Terphenyl 89 <br /> 2-Fluorobiphenyl 126 <br /> Mod. 8015 - Diesel <br /> Analyzed by: SEG <br /> Date: 12/27/94 11: 08: 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 /> QUALITY ASSURANCE: These analyses are performed in accordance <br /> with EPA guidelines for quality assurance. <br /> SPL California License # 1903 <br /> i <br /> SPL, Inc. , - Project Manager <br />