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Sequoia 680 Chesapeake Drive Redwood City CA 94063 <br /> (415) 364 9600 FAX(415)364 9233 J <br /> 1900 Bates Avenue, Suite L Concord,CA 94520 (510) 686 9600 FAX(510)686 9689 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> I <br /> Mrfi Creek Associates - - - <br /> Client Prof ID Roek Bros Property Sampled 49/13/94 <br /> <, P O Box 130 Sample Descript RB-MWS-40 5' Received 09/16/94 <br /> Milford, CA 96121 Matrix SOLID Extracted 09/26/94 <br /> 1= Analysts Method EPA 8015 Mod - <br /> € Attention Russell Juncal Lab Number 9409A73-06 Analyzed 09/26/34 <br /> _ _ _ Reported 09/30/94 <br /> Instrument ID GCHP-58 <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> Analyte Detection Limit Sample Results <br /> € <br /> mg/Kg <br /> TEPH as Diesel mg/Kg 1 0 <br /> I Chromatogram Pattern N D <br /> I <br /> Surrogates Control Limits% <br /> n-Pentacosane (C25) % Recovery <br /> 50 150 97 <br /> i <br /> f <br /> 1 <br /> t <br /> �r <br /> f Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL ELAP #1210 <br /> t <br /> Vickie Tague Clark <br /> Project Manager <br /> Page 11 <br />`k I <br /> f <br /> I <br />