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.s <br /> SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive - Redwood City, CA 94063 <br /> (415) 364-9600 - FAX (415) 364-9233 <br /> • <br /> Blaine Tech Services, Inc Client Project ID Shell, 620 W Charter Way, Stockton Sampled Aug 26-27, 1993 <br /> 985 Timothy Drive Sample Matrix Water Received Aug 30, 1993 <br /> San Jose, CA 95133 Analysis Method EPA 5030/8015/8020 Reported Sep 9, 1993 <br /> Attention Jim Keller First Sample # 3HE7808 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I D I D I D I D I D I D <br /> pg/L 3HE7808 3HE7809 3HE7810 3HE7811 3HE7812 3HE7813 <br /> MW-4 MW-2 MW-9 DUP ES TB <br /> Purgeable <br /> Hydrocarbons 50 9,000 66,000 16,000 3,300 N D N D <br /> Benzene 050 220 360 330 N D N D N D <br /> Toluene 050 49 290 N D N D N D N D <br /> ._ Ethyl Benzene 050 N D N D N D N D N D N D <br /> Total Xylenes 050 1,000 8,300 840 370 N D N D <br /> Chromatogram Pattern Gas Gas Weathered Weathered - - <br /> Gas Gas <br /> Quality Control Data <br /> Report Limit Multiplication Factor 50 400 50 40 1 0 1 0 <br /> Date Analyzed 9/3/93 9/3/93 9/3/93 9/3/93 9/3/93 9/3/93 <br /> Instrument Identification GCHP-2 GCHP-2 GCHP-2 GCHP-2 GCHP-2 GCHP-2 <br /> Surrogate Recovery, % 84 93 74 81 90 89 <br /> (OC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N 0 were not aetected above the stated reporting lima <br /> J- <br /> OUC A ANAL-YTt6AL. <br /> r P gy�A tPen a —� <br /> 'Profectwarri0a er 3HE7801 BLA <2> <br /> ,J <br />