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Sequoia 680 Chesapeake Dnve Redwood City, CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wiget Lane Walnut Creek,C4 94598 (510) 988 9600 FAX(5 10)988 9673 <br /> w6rAnaiytieal 819 Striker Avenue Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> i <br /> Gettler Ryan/Geostrategies Client Prol ID Chevron 9-6171, Stockton Sampled 11/05/95 <br /> ` 6747 Sierra Court Suite G Sample Descript MW-7 Received 11/07/95 <br /> ' Dublin, CA 94568 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 11/08/95 <br /> - Attention Deanna Harding Lab Number 9511461-02 Reported 11J10J95 <br /> QC Batch Number GC110895BTEX22A µ <br /> Instrument 1D GCHP22 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 50 N D <br /> Benzene 050 N D <br /> Toluene 0 50 N D <br /> Ethyl Benzene 050 N D <br /> Xylenes (Total) 0 50 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> Tnfluorotoluene 70 130 93 <br /> i <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP 01210 <br /> i e Gregory <br /> Project Manager Page 2 <br />