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0680 Chesapeake Drive Redwood City CA 94063 (650)3649600 FAX(650)364-9233 <br /> 1 Sequoia 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792-0342 <br /> 1551 Industrial Road San Carlos CA 94070-4111 (650)232-9600 FAX(650)232-9612 <br /> Pacific Environmental Group-Sac Project Chevron, 1001621 Banta CA Sampled 2123199 <br /> 11315 Sunrise Gold Circle St M Protect Number 920 002 2D Received 2126199 <br /> Rancho Cordova,CA 95742 Project Manager Chns Brown Reported 3112199 <br /> Volatile Oxygenate Compounds by EPA Method 8260A/Quality Control <br /> Sequoia Analytical-Sacramento <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> Batch, 2030064 Date Prepared, 315199 Extraction Method. FPA-502BLIRM <br /> Blanik 9030064-ULKI <br /> Tert-butyl alcohol 315199 ND ugll 200 <br /> Methyl tert-bury!ether ND 200 <br /> Di-isopropyl ether ND 200 <br /> Ethyl tert-butyl ether ND 200 <br /> Tert-amyl methyl ether ND 200 <br /> Ethanol ND 3000 <br /> Surrogate 1,2-DCA-d4 50 0 494 600-140 988 <br /> LEE 903OQ64-BSI <br /> Methyl tert-butyl ether 315199 500 56 8 ug/l 70 0-130 !14 <br /> Surrogate 12-DCA-d4 11500 518 600-140 104 <br /> 9030064-MSI S902349-02 <br /> Methyl tert-butyl ether 315199 500 ND 54 4 ug/l 600-140 109 <br /> Surrogate 1 2-DCA-d4 500 524 600-140 105 <br /> Matrix Spike Dun 4939964-MSY21 5902349-02 <br /> Methyl tert-butyl ether 315199 50 0 ND 58 8 ugll 600-140 118 25 0 793 <br /> Surrogate 1,2-DCA-d4 500 55 8 600-140 112 <br /> 0 <br /> Sequoia Analytical-Sacramento *Refer to end of report for text of holes and definitions <br /> C" <br /> 1 <br /> dra Hanson,Client Services Representative Page 16 of 17 <br /> IM <br /> 7,6 <br /> an <br />