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i <br /> ' CALIFORNIA LABORATORY SERVICES <br /> 08/30/04 09:43 <br /> ENSR-Sacramento Project: Former Unocal 0187,437 E MorMrdero t5Q711 <br /> ' 10411 Old Placerville Rd., Suite 210 Project Number: 06940-325-100 COC#: 1,2,3 <br /> Sacramento,CA 95827-2508 Project Manager: Ben 1. Heningburg <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Note <br /> 'U-5(CNH0711-05)Water Sampled:0812010414:04 Received:0812010418:17 <br /> Di-isopropyl ether ND 0.50 pg/L 1 CN06537 0824104 08/24/04 EPA 8260B <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 93.9% 72-125 " <br /> U-6(CNH0711-06)Water Sampled: 08/20/04 15:00 Received: 0812010418:17 <br /> ,Di-isopropyl ether ND 0.50 pg/L 1 CN06537 08/24/04 08/24/04 EPA 8260B <br /> Ethyl tert-butyl ether ND 0.50 <br /> Methyl tert-butyl ether ND 0.50 " <br /> 1'rq <br /> t1ftmyl methyl ether ND 0.50 <br /> utyl alcohol ND 5.0 <br /> Surrogate: Toluene-d8 92.5% 72-125 " <br /> U-7(CNH0711-07)Water Sampled: 08/17/04 12:56 Received:08/20/04 18:17 <br /> Di-isopropyl ether ND 0.50 µg/L 1 CN06537 0824/04 0824/04 EPA 8260B <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 93.1 % 72-125 " <br /> U-8(CNH0711-08)Water Sampled: 08/19/0415:16 Received:0812010418:17 <br /> Di-isopropyl ether ND 0.50 µg/L I CN06537 0824104 08/24/04 EPA 8260B <br /> Ethyl tert-butyl ether ND 0.50 " <br /> Methyl tert-butyl ether ND 0.50 " <br /> Itert-Amyl methyl ether ND 0.50 <br /> Tert-butyl alcohol ND 5.0 <br /> 'Surrogate: Toluene-d8 93.1 % 72-I2S " <br /> 0 <br /> CA DOHS ELAP Accreditatiort/Registration Number 1233 <br /> 9249 Fitzgerald Road Rancho Cordova,CA 95742 www.californialub.com 916-638-7301 Fax: 916-638-4510 <br />