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1 Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> Analytical <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (510) 968 9600 FAX(510)988 9673 <br /> Analyt1Ca i 819 Stnker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Blaine Technical Services- Client Prol ID Chevron,9-1918,960730-H2 — Sampled 08/01/96 <br /> 985 Timothy Drive Sample Descript MW-14 Received 08/01/96 <br /> San Jose, CA 95133 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 08/08/96 <br /> Attention"Jim Keller -Lab Number" 9608106-14 _ _ _- Reported 08Y 15196 <br /> QC Batch Number GC080896BTEXi8A <br /> Instrument ID GCHP18 <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 <br /> 50 N D <br /> Methyl t-Butyl Ether 25 N D <br /> Benzene 050 N D <br /> Toluene 0 50 N D <br /> Ethyl Benzene 050 N D <br /> Xylenes (Total) 050 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits% % Recovery <br /> Trifluorotoluene 70 130 89 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> y Penner <br /> olect Manager Page 14 <br />