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Sequoia oia <br />Analytical <br />680 Chesapeake Drive Redwood City, CA 94063 (650) 364-9600 FAX (650) 364-9233 <br />404 N. Wiget Lane Walnut Creek, CA 9459E (925) 988-9600 FAX (925) 988-9673 <br />819 Striker Avenue, Suite 8 Sacramento, CA 95834 (916) 921-9600 FAX (916) 921-0100 <br />1455 McDowell Blvd. North, Ste. D Petaluma, CA 94954 (707) 792-1865 FAX (707) 792-0342 <br />:::.:.....:.::..:.:.. <br />ii::i <br />Gettle'*r-E�yan - Dublin . ...*�*'•* <br />. .. Client Project.BD 1'D'*":'** .... <br />... .. » <br />Chevron.##9-3232, Stocktori Sampled. Mar 11,-19 <br />6747 Sierra Court, Suite J <br />Sample Descript: <br />Soil, D1 Received: Mar 11, 19 <br />Dublin, CA 94568 <br />Analysis Method: <br />EPA 8260 Analyzed: Mar 14, 19 <br />Attention: Greg Gurss <br />Lab Number: <br />903-1105 Reported: Mar 16, 19 <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 />Methyl t -Butyl Ether (MTBE) ............................................. <br />100 ..................................... <br />N.D. <br />Di -Isopropyl Ether(DIPE)................................................. <br />100 ................... I................. <br />N.D. <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 />96 <br />1,2-Dichloroethane-d4...................................................... <br />50 150 ..................................... <br />86 <br />Analytes reported as N.D. were not present above the stated limit of detection. <br />SEQUOIA ANALYTICAL, #1271 <br />u ' nne Fegley <br />roject Manager <br />9031105.GET <3> <br />