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Sequoia 680 Chesapeake Drive RedHood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510) 988 9673 <br /> %07Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916)921 0100 <br /> • <br /> Gettler Ryan/Geostrategies Client Pral ID Chevron 9-6171 Stockton Sampled 08/13/96 <br /> 6747 Sierra Court Suite G Sample Descript MW-4 Received 08/13/96 <br /> Dublin, CA 94568 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 08/20/96 <br /> Attention Deanna Harding Lab Number 9608665-07 Reported 08126J96 <br /> QC Batch Number GC082096BTEX07A <br /> Instrument ID GCHP07 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 500 2300 <br /> Methyl t-Butyl Ether 25 N D <br /> Benzene 50 N D <br /> Toluene 50 N D <br /> Ethyl Benzene 50 N D <br /> Xylenes (Total) 5 0 5 1 <br /> Chromatogram Pattern Gas <br /> Discrete Peak C8-C9 <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 101 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Gregory <br /> lect Manager Pae 9 <br /> 9 <br /> � I <br />