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SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM • Concord, California 94520 <br /> (510) 686-9600 FAX (510) 686-9689 <br /> .� ' >:.:... .:...,.. <br /> ' <br /> »-......... > ::::»: `> :: : : <br /> MPDSServices, Inc.: Client Project I U o aI 7 8203E. 11thSt, TracY Sam ed. Feb <br /> 181:994::: <br /> ::::: <br /> 2401 Stanwell Dr., Ste. 400' Sample Matrix: Water Received: Feb 18, 1994 <br /> Concord, CA 94520 Analysis Method` EPA 5030/8015/8020 Reported: Mar 7, 1994:::; <br /> Attention: Avo Avedissian First Sample#: 402-1116 <br /> ..:...::.;:.;:.; <br /> ...::::..:.. .. .:.:.. <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> I <br /> Reporting Sample Sample Sample Sample Sample <br /> Analyte Limit I.D. I.D. I.D. I.D. I.D. <br /> pg/L 402-1116 402-1117 402-1118 402-1119 Matrix <br /> U 8 U 9 U 10 U 11 Blank <br /> Purgeable <br /> Hydrocarbons 50 N.D. N.D. N.D. N.D. <br /> Benzene 0.5 N.D,. N.D. N.D. N.D. <br /> Toluene 0.5 N.D. .N.D. N.D. 1.5 <br /> i Ethyl Benzene 0.5 N.D. N.D. N.D. N.D. <br /> } �J <br /> Total Xylenes 0.5 N.D. N.D. N.D. 0.84 <br /> Chromatogram Pattern: <br /> i Quality Control Data <br /> Report Limit Multiplication Factor: 1.0 1.0 1.0 1.0 1.0 <br /> } Date Analyzed: 2/28/94 2/28/94 2/28/94 2/28/94 2/28/94 <br /> Instrument Identification: ML#2 ML#2 ML#2 ML#2 ML#2 <br /> Surrogate Recovery, %: 97 103" 123 97 100- <br /> (OC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard. <br /> Analytes reported as N.D.were not detected above the stated reporting limit. <br /> SEQUOIA ANALYTICAL <br /> m <br /> Pjeci Man <br /> gerr <br /> 4021110.MPD <2> <br />