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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 1900 Sates Avenue Suite L Concord CA 94520 (510) 686 9600 FAX(510) 686 9689 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916) 921 0100 <br /> Fugro West, Inc Client Project ID shell,2575 Country Club,Stockton,CA Sampled May 4, 1995 <br /> 1050 Melody Lane, Ste 160 Sample Matrix Soil' Received May 5, 1995 <br /> Roseville, CA 95678 Analysis Method EPA 5030/8015/8020 Reported May 18, 1995 <br /> Attention Sudhakar Talanki First Sample # 505-0331 <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/kg 505-0331 505-0332 505-0333 505-0334 505-0335 505-0336 <br /> EX1-18 EX2-15 EX3-14 D(4-15 EX5-165 EX5-18 <br /> Purgeabie <br /> Hydrocarbons 10 1,300 2,800 2,000 1,200 17,000 15 <br /> Benzene 00050 24 71 27 51 460 20 <br /> Toluene 00050 82 12 140 45 1,200 32 <br /> Ethyl Benzene 00050 20 30 35 25 300 032 <br /> ! Total Xylenes 00050 100 12 190 130 1,500 18 <br /> Chromatogram Pattern C6-C12 C6-C12 C6-C12 C6-C12 C6-C12 C6-C12 <br /> Quality Control Data <br /> Report Limit Multiplication Factor 500 500 500 100 5,000 10 <br /> Date Analyzed 5/10/95 5/10/95 5/10/95 5/12/95 5/16/95 5/12/95 <br /> Instrument Identification GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-1 <br /> Surrogate Recovery, % 92 80 100 113 98 96 <br /> (QC 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, FLAP #1624 <br /> y <br /> /'Linda C Schneider <br /> Project Manager 5050331 FUG <1 <br />