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Sequoia <br />680 C eake Drive <br />Redwood City. CA 94063(650) <br />364-%00 <br />FAX (650) 364-9233 <br />ID <br />404 N. Wiget Lane <br />Walnut Creek, CA 94598 <br />(925) 988-9600 <br />FAX (925) 988-9673 <br />Analytical <br />wo1455 <br />819 Striker Avenue, Suite 8 <br />McDowell Blvd. North, Ste. D <br />Sacramento, CA 95834 <br />Petaluma, CA 94954 <br />(916) 921-9600 <br />(707) 792-1865 <br />FAX (916) 921-0100 <br />FAX (707) 792-0342 <br />Uettler-Hyan - uublin Client Project ID: Chevron # <br />6747 Sierra Court, Suite J Sample Descript: Soil, TK1-N <br />Dublin, CA 94568 Analysis Method: EPA 8260 <br />Attention: Greg Gurss Lab Number: 903-1092 <br />Received <br />Analyzed <br />Reported <br />..— .., . <br />Mar 11, 1 <br />Mar 14, 1 <br />Mar 16, 1 <br />Analyte <br />Detection Limit <br />Sample Results <br />Ng/Kg <br />Ng/Kg <br />Ethanol.............................................................................. <br />25,000 ..................................... <br />N.D. <br />t-Butanol............................................................................ <br />5,000 ..................................... <br />N.D. <br />ety t - Butyl ter ...................................... <br />100 ..................................... <br />670 <br />1- sopropy ter ................................................. <br />100 ..................................... <br />--ITU <br />.— <br />Ethyl t -Butyl Ether(ETBE)................................................. <br />100 ..................................... <br />N.D. <br />t -Amyl Methyl Ether (TAME) ............................................. <br />100 ..................................... <br />N.D. <br />Surrogates <br />Control Limit % <br />% Recovery <br />Dibromofluoromethane..................................................... <br />50 150 ..................................... <br />92 <br />1,2-Dichloroethane-d4...................................................... <br />50 150 ..................................... <br />85 <br />Analytes reported as N.D. were not present above the stated limit of detection. <br />SEQUOIA ANALYTICAL, #1271 <br />Zdinne Fegley <br />Project Manager <br />9031092.GET <12> <br />