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` , ■ ' Sequoia 680 Chesapeake Dnve Redwood City CA 94063 (650) 364 9600 FAX(650)364 9233 <br /> �r 404 N Wiget Lane Walnut Creek, CA 94598 (510) 988 9600 FAX(5 10)988 9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX (916)921 0100 <br /> i <br /> Blaine Tech Services Client Prol ID Chevron 9-2033/971117-M2 Sampled 11/17/97 <br /> 1680 Rogers Avenue Sample Descript MW-3 Received 11/20/97 <br /> San Jose, CA 95112 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 11/26/97 <br /> Attention Fran The Lab Number 9711 C66-03 Reported 01107198 <br /> QC Batch Number GC112697BTEX02A <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 2000 15000 <br /> Benzene 20 1400 <br /> Toluene 20 670 <br /> Ethyl Benzene 20 370 <br /> Xylenes (Total) 20 1100 <br /> Chromatogram Pattern Gas <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 93 <br /> i <br /> Analytes reported as N ere not present above the stated limit of detection <br /> SEQUOIA A ICAL - ELAP #1210 <br /> Peggy Pe r <br /> ect Manager Page 14 <br />