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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 4D 1900 Bates Avenue Suitt L Concord CA 94520 (510) 686 9600 FAX(5(0)686 9689 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br />' i I <br /> I <br /> Mill Creek Associates Client Proj ID Roek Bros Property _ Sampled 09/13/94 T. <br /> I P 0 Box 130 Sample Descript RB-MWB-20 5' Received 09/16/94 ; <br /> Milford, CA 96121 Matrix SOLID Extracted 09/21/94 <br /> Analysis Method 8015Mod/8020 Analyzed 09/21/94 <br /> i„Attention Russeli Juncal _ Lab Number 9409A73.02 _ Reported 09/30194 i, <br /> I <br /> Instrument lt7 GCHP-01 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> mg/K9 m9/Kg <br /> TPPH as Gas 1 0 N D <br /> Benzene 00050 N D <br /> Toluene 00050 N D <br /> Ethyl Benzene 00050 N D <br /> Xylenes (notal) 00050 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits% % Recovery <br /> Trifluorotoluene 70 130 106 <br /> I <br /> I <br /> I <br /> Analytes reported as N 0 were not present above the stated limit of detection <br /> I <br /> SEQUOIA ANALYTICAL - ELAP #1210 j <br /> 10 I'I � I ( ( (( I ( (), <br /> Vickie Tague Clark <br /> Project Manager Page 4 <br /> i <br />