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Sequoia 680 Chesapcakc Drive Rcdwood City, CA 94063 (415) 364 9600 FAX (415) 364 9233 <br /> Analytical 1900 Bates Avenue,Suite L Concord,CA 94520 (510) 686 9600 FAX(510)686 9689 <br /> 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0t00 <br /> *oStrategies Inc Client Project ID Unocal 7827 03 Sampled - 7/6,7/94, <br /> 3035 Prospect Park Dr, Suite 80 Sample Matrix Soil Received Jul 11, 1994 <br /> Rancho Cordova, CA 95670 Analysis Method EPA 5030/8015/8020 Reported Jul 26, 1994 <br /> Attention Steve Carter First Sample # 407-0369 <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 407-0369 407-0370 407-0372 407-0373 407-0375 407-0377 <br /> U3-46 5 UJ-16 5 UJ-41 5 UK-16 5 UK-46 5 UL-15 5 <br /> Purgeable <br /> Hydrocarbons 1 0 330 N D N D N D N D 3,000 <br /> Benzene 00050 048 N D N D N D N D N D <br /> Toluene 00050 0 86 0 025 0 015 00072 0 026 25 <br /> Ethyl Benzene 00050 11 00058 N D N D 0 0090 5 9 <br /> *Total Xylenes 00050 33 0 024 0 012 0 018 0 045 33 <br /> Chromatogram Pattern Gasoline Gasoline Gasoline Gasoline Gasoline Gasoline <br /> C6-C12 C6-C12 C6-1312 C6-1312 C6-C12 C6-C12 <br /> Duality Control Data <br /> Report Limit Multiplication Factor 50 1 0 1 0 1 0 1 0 500 <br /> Date Analyzed 7/20/94 7/18/94 7/18/94 7/18/94 7/18/94 7/20/94 <br /> Instrument Identification HP-1 HP-1 HP-1 HP-1 HP-1 HP-1 <br /> Surrogate Recovery, % 109 87 85 84 85 85 <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 /> EQUOIA ANALYTICAL, ELAP #1624 <br /> G tC <br /> Craig C Le <br /> Project Manager <br /> 4070362 GSI <27 <br />