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SEQUOIA ANALYTICAL <br /> s 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 • FAX (415) 364-9233 <br /> Blaine Tech Services, Inc Client Project ID Shell, 4445 Pershing Avenue Sampled Feb 15, 1994 <br /> 985 Timothy Drive Sample Matrix Water Received Feb 16, 1994 <br /> San Jose, CA 95133 Analysis Method EPA 5030/8015 Mod /8020 Reported Feb 24 1994 <br /> Attention Jird Keller First Sample # 4BA1607 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> i <br /> Reporting Sample <br /> Analyte Limit I D <br /> Mg/L 4BA1607 <br /> TB <br /> Purgeable <br /> Hydrocarbons 50 N D <br /> Benzene 050 N D <br /> Toluene 050 N D <br /> Ethyl Benzene 050 N D <br /> Tota! Xylenes 050 N D <br /> Chromatogram Pattern <br /> Quality Control Data <br /> Report Limit Multiplication Factor 1 0 <br /> Date Analyzed 2/18/94 <br /> Instrument Identification GCHP-2 <br /> Surrogate Recovery % 99 <br /> (OC Limits = 70-130%) <br /> Purgeabie Hydrocarbons are quantitated against a fresh gasoline standard <br /> Anaiytes reported as N D were not de•ected above the stated reoorting limit <br /> 4!n <br /> ANALYTICAL <br /> r <br /> Suzanne Chin <br /> Project Manager 4BA1601 B!_A c2> <br />