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Sequoia 680 Chcsapeake Drive Redwood City CA 94063 (4 15) 364 9600 FAX(415) 364 9333 <br /> 1900 Bates Avenue Suite L Concord CA 94520 (5 10) 686 9600 FAX(510)686 9689 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> tugroVest,'Inc Client Project Ib Shell,2575 Country Club Blvd , Stockton, CA Sampled May 17, 1995 x <br /> v 1050 Melody Lane, Ste 160 Sample Matrix Soli Received May 18, 1995 <br /> Roseville, CA 95678 Analysis Method EPA 5030/8015/8020 Reported May 31, 1995 <br /> Attention Sudhakar Talanki First Sample # 505-1004 u <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit ID I.D. ID ID I D. I.D <br /> mg/kg 505-1004 505-1005 505-1006 505-1007 505-1008 505-1009 <br /> PEM PE8-1 5 PE94 5 PE10-4 5 PEi 1-3 5 PE12-6 5 <br /> Furgeable <br /> Hydrocarbons 1 0 82 3,500 13 64 12 N D <br /> Benzene 00050 N D 12 N D N D 0 056 N D <br /> Toluene 00050 N D 14 0 010 N D N D N D <br /> Ethyl Benzene 00050 068 40 0 053 0 012 0 034 N D <br />•Total Xylenes 00050 0 55 27 0 085 00059 0 056 N D <br /> Chromatogram Pattern C8-C12 C&C12 C8-C12 C8-C12 CS-C12 - <br /> Quality Control Data <br /> Report Limit Multiplication Factor 20 250 1 0 1 0 1 0 1 0 <br /> Date Analyzed 5/30/95 5/30/95 5/30/95 5/30/95 5/30/95 5/30/95 <br /> Instrument Identification GCHP-1 GCHP-1 GCHP-2 GCHP-2 GCHP-2 GCHP-2 <br /> Surrogate Recovery, % 92 107 97 96 98 93 <br /> (QC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N 0 were not detected at or above the reporting limit <br />*EQUQ1A ANALYTICAL, FLAP #1624 <br /> x2e�-- � <br /> / Linda C Schneider <br /> Project Manager 5050998 FUG <2> <br />