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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> (T� 1900 Bates Avenue Suite L Concord CA 94520 (510) 686 9600 FAX(510)666 9689 <br /> WIC Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916) 921 0100 <br /> Fugro West, Inc Client Project 10 Shell,2575 Country Club Blvd,Stockton,CA Sampled 12/28,29/94 <br /> *050 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 # 412-0964 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I D 10 1 D I D I D I D. <br /> Mg/L 412-0964 412-0965 412-0966 412-0967 412-0968 412-0969 <br /> CPT9W CPT4W CPT8W CPT11 W CPT7W CPT12W <br /> Purgeable <br /> Hydrocarbons 50 8,000 240,000 140 63 2,800 N D <br /> Benzene 050 2,600 35,000 8 6 N D 120 N D <br /> Toluene 050 N D 40,000 36 22 49 N D <br /> Ethyl Benzene 050 410 2,900 1 6 1 1 200 N D <br /> Total Xylenes 050 28 16,000 79 6 9 210 N D <br /> Chromatogram Pattern C6-012 C6-c12 C6-C12 C6-C12 C6-C12 - <br /> Quality Control Data <br /> Report Limit Multiplication Factor 50 1,000 1 0 1 0 10 10 <br /> Date Analyzed 12/30/94 12/30/94 1/3/95 1/3/95 1/3/95 1/3/95 <br /> Instrument Identification GCHP-2 GCHP-2 GCHP-2 GCHP-2 GCHP-2 GCHP-2 <br /> Surrogate Recovery, % 89 90 116 90 98 86 <br /> (CIC Limits = 70-130%) <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 41624 <br /> / /' / T <br /> Linda C Schneider <br /> Protect Manager <br /> 4120958 FUG <2> <br />