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1 <br />Sequoia <br />Analytical <br />680 Chesapeake Drive <br />404 N. Wiget Lane <br />819 Striker Avenue, Suite 8 <br />Redwood City, CA 940 (415) 364-9600 <br />Walnut Creek, CA 94598 (510) 988-9600 <br />Sacramento, CA 95834 (916) 921-9600 <br />FAX (415) 364-9233 <br />FAX (510) 988-9673 <br />FAX (916) 921-0100 <br />Analyte <br />Detection Limit <br />Sample Results <br />mg/Kg <br />mg/Kg <br />TPPH as Gas <br />1.0 <br />N.D. <br />Methyl t -Butyl Ether <br />0.025 <br />N.D. <br />Benzene <br />0.0050 <br />N.D. <br />Toluene <br />0.0050 <br />N.D. <br />Ethyl Benzene <br />0.0050 <br />N.D. <br />Xylenes (Total) <br />0.0050 <br />N.D. <br />Chromatogram Pattern: <br />Surrogates <br />Control Limits % <br />% Recovery <br />Trifluorotoluene <br />70 130 <br />71 <br />Analytes reported as N.D. were not present above the stated limit of detection. <br />SEQUOIA ANALYTICAL - P #1210 <br />Vytas Ankai s <br />Project Manager Page: <br />4 <br />