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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (4 15) 364 9600 FAX(415) 364 9233 <br /> 1900 Bates Avenue,Suite L Concord CA 94520 (510) 686 9600 FAX(510)686 9689 <br /> Analytical <br /> 819 Striker Avenue,Suite 8 Sacramento CA 95834 (9t6) 921 9600 FAX(916)921 0100 <br /> i <br /> I <br /> Mill Creek Associates Client Proj ID Roek Bros Property _ Sampled 09/12/94" J- <br /> I P O Box 130 Sample Descript RB-MW7-50 5' Received 09/16/94 ; <br /> Milford, CA 96121 Matrix SOLID Extracted 09/26/94 <br /> Analysis Method EPA 8015 Mod Analyzed 09/26/94 <br /> Attention Russell Juncal Lab Number 9409A71-07 " Reported 091301.94 <br /> Instrument ID GCHP4B <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> TEPH as Diesel 10 N D <br /> Chromatogram Pattern <br /> I i <br /> Surrogates Control Limits% % Recovery <br /> n-Pentacosane (C25) 50 150 101 <br /> M <br /> .I <br /> I <br /> i <br /> 1 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP 9V1210 <br /> Vlckie Tague Clark <br /> Project Manager Page 13 <br />