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b �• <br /> Sequoia 1101a 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> S <br /> 1 404 N W Set lane Walnut Creek.CA 94598 (925)988-9600 FAX(925)988-9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)9Z1-9600 FAX(916)921 0100 <br /> 1455 McDowell Btvd North Ste D Petaluma.CA 94954 (707)792-1865 FAX(707)792-0342 <br /> - �K --- -- -- -- - — _ --- - - -- , <br /> _ _ -3 <br /> -Gettler RyanJGeostrategles ^--Client Proj'ID -Unocal rSS#5886/2701 W March Sampled 09/01/98 g <br /> _ 6747 Sierra Court Suite J Sample Descript MW-4D Receiv 09/02/98 <br /> Dublin, CA 94568 Matrix LIQUID Extracted 09/08/98 <br /> Analysis Method EPA 8015 Mod Analyzed 09/10/98 <br /> = Attention Deanna Harding Lab Number 9809049-05 _ _ Reported 10J01198 <br /> QC Batch Number GC0908980HBPEX6 _- <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 5o 80 <br /> Chromatogram Pattern <br /> Unidentified HC C9-C24 <br /> Discrete Peak @C24 <br /> Surrogates Control Limits % % Recovery <br /> n-Pentacosane (C25) 50 150 94 <br /> Analytes reported as N 0 were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> OodGranlcher <br /> Project Manager Page 14 <br />