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D Sequoia uoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 1900 Bates Avenue,Suite L Concord,CA 94520 (5t0) 686 9600 FAX(510)686 9689 <br /> qW Analytical 819 Striker Avenue Suite a Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> I <br /> Mill Creek Associates Client Proj ID Roek Bros Property Sampled 09/12/94 i <br /> P O Box 130 Sample Descript RB-MW7-35 5' Received 09/16/94 It <br /> Milford, CA 96121 Matrix SOLID Extracted 09/26/94 <br /> Analysis Method EPA 8015 Mod Analyzed 09/26/94 lY <br /> _!Attention Russell Juncal Lab Number 9409A71-05 Reported 09/30/94 4 <br /> i�npisr r s, nn n �u i is : n ns i , m s n s i— s <br /> till <br /> Instrument ID GCHP4A <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> i <br /> Analyte Detection Limit Sample Results <br /> mg/K9 mg/Kg <br /> TEPH as Diesel 10 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits% % Recovery <br /> n-Pentacosane (C25) 50 150 93 <br /> I <br /> I I <br /> I <br /> a <br /> i <br /> i <br /> I <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> 4 <br /> ill <br /> Vickie Tague Clark <br /> Project Manager Page s <br />