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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 17, 1989 <br /> P O Box 913 Sample Descrtpt Sod, W01 Received Nov 20, 1989 <br /> Benicia, CA 94510 Extracted Nov 21, 1989 <br /> Attention Mardo Kaprealian, P E Lab Number 911-2651 Analyzed Nov 21, 1989 <br /> Reported Nov 22, 1989 <br /> LABORATORY ANALYSIS <br /> Analyte Detection Limit Sample Results <br /> mg/kg mg/kg <br /> Cadmium 05 N D <br /> Chromium...— ». »»»..»..».. ,.......».... ....... 0.5 ..... . ... ........ .... .......1. . 16 <br /> Lead ... ... ... .... . 005 1.1 <br /> Zinc. 05 25 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL <br /> Belinda C Vega <br /> Project Manager 9112651 KEi -<1> <br />