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' Sequoia 680 Chesapeake Drive Rcdwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 1900 Bates Avenue Suite L Concord CA 94520 (510) 686 9600 FAX(510)686 9689 <br /> Analytical 819 Sinker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> ugro West, Inc Client Project ID Shell,4315 Waterloo Road,Stockton,CA Sampled Dec 7, 1994 <br /> 1050 Melody Lane, Ste 160 Sample Matrix Soil Received Dec 7, 1994 <br /> Roseville, CA 95678 Analysis Method EPA 5030/8015/8020 Reported Dec 9, 1994 <br /> Attention David L Poulsen First Sample # 412-0206 <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 4120206A 41202066 4120207A 41202076 4120208A 41202086 <br /> SP-1 SP 2 SP 3 SP-4 SP-5 5P-6 <br /> urgea e <br /> Hydrocarbons 1 0 1,300 1,000 180 6,300 1,600 2,000 <br /> Benzene 00050 044 054 N D 59 26 52 <br />' Toluene 00050 42 59 0 41 45 13 33 <br />' Ethyl Benzene 00050 12 12 1 0 65 16 21 <br /> Total Xylenes 00050 77 78 61 360 97 150 <br />' Chromatogram Pattern C6-C12 C6-C12 C6 C12 C6-C12 C6 C12 C6-C12 <br />' Quality Control Data <br /> Report Limit Multiplication Factor 50 1 0 20 500 100 100 <br /> Date Analyzed 12/8/94 12/8/94 12/9/94 12/9/94 12/8/94 12/8/94 <br /> Instrument Identification GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-1 <br /> Surrogate Recovery, % 103 102 109 130 109 118 <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 /> Linda C Schneider <br /> Project Manager <br /> I4120206 FUG <1 7 <br />