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EI F <br /> Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9133 <br /> 1900 Bates Avenue, Suite L Concord CA 94520 (510) 686 9600 FAX (510)686 9689 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(91(1)921 0100 <br /> r <br /> RESNA Client Prol ID 150070 01, Chase Chevrolet Sampled 12/20/94 <br /> 1710 Main Street Sample Descrlpt CHCH MW-4 Received 12/21/94 <br /> Escalon, CA 95320 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 12/29/94 <br /> Attention Greg Stahl Lab Number 9412F68-03 Reported 01 J06J95 <br /> QC Batch Number GC122994BTEX02A <br /> Instrument ID GCHP2 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 50 150 <br /> Benzene 050 1 9 <br /> Toluene 050 054 <br /> Ethyl Benzene 050 26 <br /> Xylenes (Total) 050 21 <br /> Chromatogram Pattern Gas <br /> Surrogates Control Limits % % Recovery <br /> TriHuorotoluene 70 130 99 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Aiek Oftr(�mk, — <br /> VIRKie Tague Clark <br /> Project Manager page 3 <br />