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I <br /> /y SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 FAX (415) 364-9233 <br /> *Kaprealian Engineering, Inc Client Project ID Unocal, Stockton, 7303 Pacific Ave Sampled Nov 20, 1989 <br /> PO Sox 913 Sample Descnpt Soil Received Nov 21, 1989 <br /> Benicia, CA 94510 Analysis Method EPA 5030/8020 Analyzed Nov 21, 1989 <br /> Attention Mardo Kapreahan, P E Lab Number 911-2717 Reported Nov 22, 1989 <br /> BTEX DISTINCTION (EPA 8020) <br /> Analyte Detection Limit Sample Results <br /> mg/kg (ppm) mg/kg (ppm) <br /> Benzene 0 05 N D <br /> Toluene 01 N D <br /> Ethyl Benzene 01 N D <br /> Xylenes 01 N D <br /> Analytes reported as Nl D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL <br /> Belinda C Vega <br /> Project Manager 9112717 KEI <4> <br />