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Sequoia 680 Chesapeake Drive Redwood 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 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916) 921 0100 <br /> ape Env Mngmt , Inc Client Project ID Federal Bldg(Stockton), Prod#2403C 10 Sampled Jun 30, 1994 <br /> 20280 S Vermont Avenue Sample Matrix Sod Received Jul 1, 1994 <br /> Torrance, CA 90502 Analysis Method EPA 5030/8020 Reported Jul 11, 1994 <br /> Attention Larry Harlan First Sample # 407-0069 <br /> BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample <br /> Analyte Limit I D I D l D I D <br /> mg/kg 407-0069 407-0071 407-0073 407-0074 <br /> 61 15' B 1-25' B3-15 84-5 <br /> Benzene 0 005 N D N D N D N D <br /> Toluene 0 005 N D N D N D N D <br /> Ethyl Benzene 0 005 N D N D N D N D <br /> Total Xylenes 0 005 N D N D N D N D <br /> Quality Control Data <br /> Report Limit Multiplication Factor 100 1 0 1 0 1 0 <br /> Date Analyzed 7/7/94 7/7/94 7/8/94 7/8/94 <br /> Instrument Identification HP-1 HP-1 HP-1 HP-1 <br /> Surrogate Recovery, % 88 90 105 99 <br /> (OC Limits = 70-130%) <br /> Analytes reported as N 0 were not detected above the stated reporting hmlt <br /> SEQUOIA ANALYTICAL_ <br /> Craig C Lee <br /> Project Manager <br /> 4070068 GCC ¢3> <br /> r� <br />