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fl n(T <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 /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> ATC Associates, Inc Client Prol ID Stockton Fire#2 62574 0001/02 Sampled 09/22/98 <br /> ' 1260 Graphics Drive Sample Descript MW-2 Received 09/25/98 <br /> s Modesto, CA 95351-1502 Matrix LIQUID Extracted 09/30/98 <br /> Analysis Method EPA 8015 Mod Analyzed 10/02/98 <br /> :: Attention Jeanne Homsey _Lab Number 9809G80-02 Reported 10j07j98 <br /> QC Batch Number GC0930980HBPEXEt <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 _ so 67 <br /> Chromatogram Pattern <br /> Unidentified HC C9-C24 <br /> Surrogates Control Limits' % Recovery <br /> n-Pentacosane (C25) 50 150 100 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Project nager Page 3 <br />