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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> `� 1900 Bates Avenue Suite L Concord CA 94520 (510) 6116 9600 FAX(510)686 9689 <br /> ► Analytical 819 Striker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)911 0100 <br /> --' - «� Sampled 09/13/94 „ <br /> ? Mill Creek Associates Client Proj ID Roek Bros Property « Received 09/15/94 <br /> P 0 Box 130 Sample Descript RB-MW8-60 5' / / <br /> ! Extracted 09/21/94 <br /> Milford, CA 96121 Matrix SOLID <br /> Analysis Method 8015Mod/8020 Analyzed 09/21/94 <br /> Attention Russell Juncal Lab Number 9409A73-08 _ __ .,__ Reported 09f30/94 --�� <br /> t <br /> instrument ID GCHP-01 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/K9 <br /> ND <br /> TPPH as Gas 1 0 N D <br /> Benzene 0 0050 N D <br /> Toluene 0 0050 N D <br /> Ethyl Benzene 0 0050 <br /> 00050 N D <br /> Xylenes (Total) <br /> Chromatogram Pattern <br /> Surrogates Control Limits% % Recovery <br /> Trifluorotoluene 70 130 <br /> i <br /> i <br /> E <br /> P i <br /> Analytes reported as N 0 were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - EkAP #1210 <br /> �( ( (,( ( � L' <br /> Vickie Tague Clark Page 16 <br /> Project Manager <br />