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Sequoia 680 Chesapeake Drive Redwood City, CA 94063 (650) 364-9600 FAX(650)364-9233 <br /> 404 N. Wiget Lane Walnut Creek, CA 94598 (510) 988-9600 FAX (510)988-9673 <br /> 819 Striker Avenue,Suite 8 Sacramento, CA 95834 (916) 921-9600 FAX (916)92 1-0 100 <br /> Analytical <br /> 1 <br /> 3 <br /> Delta Environmental Consults Client Proj- ID: Exxon 7-3708, D093-809 Sampled: 11/24/97 <br /> 3564 Gold Camp Drive, #200 Sample Descript: MW-6 Received: 11/25/97 <br /> Rancho Cordova, CA 95670 Matrix: LIQUID <br /> Analysis Method: 8015Mod/8020 Analyzed: 12/05/97 <br /> Attention: Keoni Almeida Lab Number: 9711F94-06 Reported: 12f09f97 <br /> ........................... <br /> OC Batch Number: GC120597BTEX22A <br /> Instrument 1D. GCHP22 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> r, <br /> TPPH as Gas 50 N.D. <br /> Benzene 0.50 N.D. <br /> Toluene 0.50 N.D. <br /> Ethyl Benzene 0.50 N.D. <br /> Xylenes (Total) 0.50 N.D. <br /> Chromatogram Pattern: <br /> Surrogates Control Limits % % Recovery <br /> Tr'Ifluorotoluene 70 130 115 <br /> >4: <br /> G <br /> F <br /> 3 <br /> Analytes reported as N.D.were not present above the stated limit of detection. <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> t <br /> M• e ory <br /> Project Manager page: 12 <br /> 4 <br />