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1 I <br /> Sequoia 680 Chesapeake Dnve Redwood City CA 94063 (415) 364 9600 FAX (415) 364 9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX (510)988 9673 <br /> Analytical a19 Stinker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916)921 0100 <br />' EA Engineering Client Project ID Exxon #3942 StocKtE C El V sampled Feb 6, 1997 <br /> 3841 N Freeway Blvd , #145 Sample Matrix Air Received Feb 7, 1997 <br /> Sacramento, CA 95834 Analysis Method EPA 5030/8015/8020 Eb 21 Reported Feb 11, 1997 <br /> Attention Kynacos Kyriacou First Sample # 702-0267 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample <br /> Analyte L>imtt I D <br />' ,ug/L 702-0267 <br /> WB Effluent <br /> Hurgeable <br /> Hydrocarbons 50 590 <br />' Benzene 0 050 29 <br /> Toluene 0 050 110 <br /> Ethyl Benzene 0 050 23 <br /> Total Xylenes 0 050 110 <br />' Chromatogram Pattern Gasoline <br /> C6-C 12 <br /> Quality Control Data <br /> Report Limit Multiplication Factor 10 <br /> Date Analyzed 02/07/97 <br /> Instrument Identification GCHP-7 <br />' Surrogate Recovery, % 92 <br /> (QC Limits = 60-140%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected at or above the reporting limit <br />' SEQUOIA ANALYTICAL, ELAP #1624 <br /> nfA Mt.5 �[�R—. <br /> 1=dana M Belschner <br /> Project Manager/Sacramento Laboratory <br />' 7020267 EAE <1> <br />