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i CALIFORNIA LABORATORY SERVICES <br /> ' 11/30/04 13:17 <br /> ENSR-Sacramento Project: Fortner Unocal 0187,437 F-& WorMdecP6Q709 <br /> ' 10411 Old Placerville Rd.,Suite 210 Project Number: 06940-325-100 COC#: 1, 2,3 <br /> Sacramento,CA 95827-2508 Project Manager: Ben Heningburg <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Note <br /> U-10(CNK0709-09)Water Sampled: 11/18/0411:10 Received: 11119/0410:53 <br /> Di-isopropyl ether ND 0.50 lig/L 1 CN09034 11/19/04 11/20/04 EPA 8260E <br /> ' Ethyl tert-butyl ether ND 0.50 " <br /> Methyl tert-butyl ether ND 0.50 <br /> tert-Amyl methyl ether ND 0.50 <br /> Tert-butyl alcohol ND 5.0 " <br /> ' Surrogate: Toluene-d8 92.7% 72-125 <br /> U-11 (CNK0709-10)Water Sampled: 11/17/04 10:59 Received: 11119/0410:53 <br /> ' Di-isopropyl ether ND 0.50 lig/L 1 CN09034 11/19/04 11/20/04 EPA 8260E <br /> Ethyl tert-butyl ether ND 0.50 <br /> M thy11,ert-butyl ether ND 0.50 " <br /> yl methyl ether ND 0.50 " <br /> l alcohol ND 5.0 <br /> Surrogate: Toluene-d8 94.1 % 72-125 " <br /> U-12(CNK0709-11)Water Sampled: 11/17/04 13:58 Received: 11/19/0410:53 <br /> Di-isopropyl ether 1.8 0.50 gg/L I CN09034 11/19/04 11/20/04 EPA 8260E <br /> ' Ethyl tert-butyl ether ND 0.50 <br /> Methyl tert-butyl ether ND 0.50 " <br /> tert-Amyl methyl ether ND 0.50 " <br /> Tert-butyl alcohol ND 5.0 " <br /> Surrogate: Toluene-d8 98.2% 72-125 <br /> U-13(CNK0709-12)Water Sampled: 11/17/04 15:57 Received: 11/19/0410:53 j <br /> Di-isopropyl ether 1.3 0,50 lig/L l CN09034 11/19/04 11/20/04 EPA 8260E <br /> Ethyl tert-butyl ether ND 0.50 " <br /> Methyl tent-butyl ether ND 0.50 " <br /> I <br /> ' tert-Amyl methyl ether ND 0.50 " <br /> Tert-butyl alcohol ND 5.0 " <br /> ' Surrogate: Toluene-d8 95.9% 72-125 <br /> CA DOHS ELAP Accreditation/Registration Number 1233 <br /> 3249 Fitzgerald Road Rancho Cordova, CA 95742 www.californialab-com 916-638-7301 Fac: 916-638-4510 <br />