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A [ <br /> Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9Z33 <br /> 404 N Wiget Lane Walnut Creek.CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792-0342 <br /> i <br /> ATC Associates, Inc Client Prol ID Stockton Fire Station #2 Sampled 06/03/98 <br /> 1260 Graphics Drive Sample Descrlpt MW-1 Received 06/04/98 <br /> Modesto, CA 95351-1502 Matrix LIQUID Extracted 06/14/98 � <br /> Analysis Method EPA 8015.Mod Analyzed 06/15/98 <br /> J Attention Jeanne Homsey Lab Number 9806259-01 Reported 06J16198 <br /> QC Batch Number GC0614980HBPEXY <br /> Instrument ID GCHP4A <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> Analyte Detection Limit Sample Results <br /> ug/L. ug/L <br /> TEPH as Diesel 50 360 <br /> Chromatogram Pattern <br /> Unidentified HC Cg_ <br /> Surrogates Control Limits % % Recovery <br /> n-Pentacosane (C25) 50 150 87 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP 01210 <br /> Ilk <br /> f <br /> Project Manager Pae 1 <br /> 9 <br />