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Sequoia 689 Chesapeake Dnve Redwood City CA 94063 (4 15) 364 9600 FAX(415) 364 9233 <br /> 1900$ares Avenue Suite L Concord CA 94520 (510) 686 9600 FAX(510)686 9689 <br /> 111io- Analytical 819 Striker Avenue Suice 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br />.Pugro West, Inc Client Project ID shell,2575 Country Club Blvd ,Stockton, CA Sampled Dec 28, 1994 <br /> 1050 Melody Lane, Ste 160 Sample Matrix Water Received Dec 30, 1994 <br /> Roseville, CA 95678 Analysis Method EPA 5030/8015/8020 Reported Jan 4, 1995 <br /> Attention Sudhakar Talankl First Sample # 412-0958 <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 /> Mg/L 412-0958 412-0959 412-0960 412-0961 412-0962 412-0963 <br /> CPT1W CPT3W CPT5W CPT2W CPT6W CPT10W <br /> Purgeable <br /> Hydrocarbons 50 11,000 170,000 140,000 12,000 110,000 2,100 <br /> Benzene 050 600 21,000 5,800 25 1,400 N D <br /> Toluene 050 1,400 23,000 2,100 180 3,100 21 <br /> Ethyl Benzene 050 230 2,900 3,600 150 2,300 37 <br /> Total Xylenes 050 1,100 15,000 20,000 840 9 100 210 <br /> Chromatogram Pattern C6 C12 C6 C12 C6-C12 C6-C12 C5-C12 C6-C12 <br /> Quality Control Data <br /> Report Limit Multiplication Factor 40 1,000 1,000 40 1,000 10 <br /> Date Analyzed 12/30/94 12/30/94 12/30/94 12/30/94 12/30/94 12/30/94 <br /> Instrument Identdication GCHP-2 GCHP-2 GCHP-2 GCHP-2 GCHP-2 GCHP-2 <br /> Surrogate Recovery, % 92 91 89 87 78 87 <br /> (CIC Limits = 70-130%) <br /> Purgeabie 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 /> Linda C Schneider <br /> Project Manager <br /> 4120958 FUG <1> <br />