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T RECEIVED OCT 1 3 1998 <br /> Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (925)988-9600 FAX(925)988-9673 <br /> AW Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> i <br /> 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)79z-0342 <br /> ,,, ATC Associates, Inc Client Proj ID Stockton Fire#2 62574 0001/02 Sampled 09/22/98 <br /> 1260 Graphics Drive Sample Descript MW-1 Received 09/25/98 <br /> ' Modesto, CA 95351-1502 Matrix LIQUID Extracted 09/30/98 <br /> I Analysis Method EPA 8015 Mod Analyzed 10/02/98 <br /> Attention Jeanne Homsey Lab Number 9809G80-01 Reported 10J07J98 <br /> dC Batch Number GCO930980HSPEXE <br /> Instrument ID GCHP4B <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L. <br /> TEPH as Diesel 50 460 <br /> Chromatogram Pattern <br /> Unidentified HC C9-C24 <br /> Surrogates Control Limits% % Recovery <br /> n-Pentacosane (C25) 50 150 102 <br /> 0 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Pro)ect anager Page t <br />