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41) Sequoia 680 Chesapeake Dave 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 Straker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> i <br /> -.-r• ,�r;,,h••�•;;e•nnn•,�asr_.•••••..u-_n.....-...�»••••••�r»mss—+.s-i_-..._ _ ___ _ ��f��..c.7`f�:� �� —__ __ <br /> 1RESNA Client Proi ID 150077 01, Holt Bros Sampled 12/08/94 <br /> Z. 1710 Main Street Sample Descnpt HBS MW-5 Received 12/12/94 <br /> I Escalon, CA 95320 Matnx UQUID <br /> Analysis Method 8015Mod/8020 Analyzed 12/16/94 <br /> = Attention John Laneµ 1_ , Lab Number 9412670-02_by _ Resorted 12/29194 m <br /> QC Batch Number AS1216946TEXG6A <br /> Instrument ID HP1 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas .. .. .... ..... 50 ............. ... .. 200 <br /> Benzene .... ... ... .. ... 0.50 ................. .. 2.1 <br /> Toluene 050 ND <br /> Ethyl Benzene 050 N D <br /> Xylenes (Total) 050 N D <br /> Chromatogram Pattern <br /> Non Gas Mix .. . .. .. ....... .. .. .............. <C7, >C9 <br /> Surrogates Control Limits% % Recovery <br /> Trifluorotoluene 70 130 83 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - EI_AP 02000 <br /> Vickie Tague Clark _ <br /> Project Manager Page 4 <br />