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Sequoia 680 Chesapeake Dnve Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wigct Lane Watnut Creek CA 94598 (510) 988 9600 FAX(510) 988 9673 <br /> X1,7 Analytical 819 Stnker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916)921 0100 <br /> Smith Environmental Client Prol ID 94-367, STKN Fire Station 2 Sampled 02/02/96 <br /> 1260 Graphics Drive Sample Descript MW-1 Received 02/06/96 <br /> Modesto, CA 95351-1502 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 02/08/96 <br /> Attention Jeanne Homsey Lab Number 9602437-01 Reported 02J15/96 <br /> QC Batch Number GCO20896BTEX02A <br /> Instrument ID GCHP02 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 2000 13000 <br /> Benzene 20 2500 <br /> Toluene 20 790 <br /> Ethyl Benzene 20 420 <br /> Xylenes (Total) 20 1700 <br /> Chromatogram Pattern Gas <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 82 <br /> • <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> nkattis <br /> Project Manager Page 2 <br />