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t1 Y <br /> Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)3649600 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaiuma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Blaine Tech Services Client Pro} ID Chevron 9-8632/981124-J1 Sampled 11/24/98 <br /> 1680 Rogers Avenue Sample Descript MW-2 Received 11/25/98 <br /> San Jose CA 95112 Matrix LIQUID Extracted 12/07/98 <br /> Analysis Method EPA 8015 Mod Analyzed 12/08/98 <br /> Attention Christine Lillie Lab Number 9811 H52-02 Reported 12/09j98 <br /> OC Batch Number GC1207980HBPEXB <br /> Instrument ID GCHP19B <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TEPH as Diesel 50 160 <br /> Chromatogram Pattern C9-C24 Unid -HC <br /> Surrogates Control Limits % % Recovery <br /> n-Pentacosane (C25) 50 150 92 <br /> i <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> gory rk <br /> Project Manager Page 4 <br />