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Sequoia 680 Chesapeakc Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 1900 Bates Avenue Suite L Concord CA 94520 (510) 686 9600 FAX(510)686 9689 <br /> Analytical 819 Sinker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> i <br /> i <br /> Mill Creek Associates Client Prol ID Roek Bros"Property rr rr Sampled 09/13/94 <br /> ' P 0 Box 130 Sample Descript RB-MWB-50 5' Received 09/16/94 <br /> = Milford, CA 96121 Matrix SOLID Extracted 09/21/94 Ir <br /> r Analysis Method 8015Mod/8020 Analyzed 09/21/94 ;' <br /> Attention Russell Juncal Lab Number 9409A73-07 Reported 09f30f94 <br /> s^ u s <br /> I Instrument ID GCHP-01 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> ' mg/K9 mg/Kg <br /> I <br /> TPPH as Gas 1 t7 N D <br /> Benzene 00050 N D <br /> Toluene 00050 <br /> Ethyl Benzene 00050 N p <br /> Xylenes (Total) 00050 N D <br /> Chromatogram Pattern <br /> i <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 104 <br /> i <br /> I <br /> I <br /> ` I <br /> I � <br /> Analytes reported as N a were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Vickie Tague Clark <br /> Project Manager Page 14 <br />