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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650) 364-9233 <br /> 404 N Wlget Lane Walnut Creek CA 94598 (925)988-96M FAX(925)988-9673 <br /> AW Analytical 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 /> Cambria Environmental Project Shell Oil Co Sampled 1/14/99 to 1/15199 <br /> 270 Perkins St Project Number 880 Victor Rd- Lodi Received 1/18/99 <br /> Sonoma,CA 95476 Pro ect Manager Aubrey Coal Reported 1/28/99 <br /> Total Petroleum Hydrocarbons as Gasoline and BTEX by EPA 8015M/8020M/Quality Control <br /> Sequoia Analytical-Petaluma <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov Limits % Limit % Notes" <br /> Blank(continued) 9010447-BLKI <br /> Xylenes(total) 1125/99 ND mg/kg 0200 <br /> Methyl tert-butyl ether ND 0 500 <br /> Surrogate a,a,a-Trifluorotoluene 300 367 650-135 122 <br /> Surrogate 4-Bromofluorobenzene 300 298 650-135 993 <br /> Blank 9010447-BLK2 <br /> Gasoline 1/27/99 ND mg/kg 100 <br /> Benzene ND 00500 <br /> Toluene ND - 00500 <br /> Ethylbenzene ND 00500 <br /> Xylenes(total) ND 0 100 <br /> Methyl tert-butyl ether ND 0 250 _ <br /> Surrogate a a a-Trifluorotoluene 300 365 650-135 122 <br /> Surrogate 4-Bromofluorobenzene 300 297 650-135 990 <br /> L CS 9010447-BSI <br /> Gasoline 1/25/99 100 104 mg/kg 65 0-135 104 <br /> Surrogate 4-Bromofluorobenzene It <br /> 300 324 650-135 108 <br /> LCS- _ -- - - <br />