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CALIFORNIA LABORATORY SERVICES ' <br /> 11/30/04 13:17 r <br /> ENSR-Sacramento Project: Former Unocal 0187,437 EftR'orMi'9e0r*5fiA709 <br /> 10411 01d Placerville Rd.,Suite 210 Project Number: 06940-325-100 COC#: 1,2,3 , <br /> Sacramento,CA 95827-2508 Project Manager: Ben Heningburg <br /> GasBTEX by GC PID/FID <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Note <br /> U-19(CNK0709-18)Water Sampled: 11116/0415:25 Received: 11/19/0410:53 <br /> Xylenes(total) 1.9 1.0 µg/L 1 CN09090 11/22/04 11/22/04 8015GRO/8021 <br /> B , <br /> Surrogate.o-Chlorotoluene (Gas) 95.5% 65-135 " <br /> U-20(CNK0709-19)Water Sampled: 11/17/04 14:50 Received: 11/19/04 10:53 <br /> Gasoline 170 50 µg/L 1 CN09090 11/22/04 11/22/04 8015GRO/8021 GAS-1 <br /> B <br /> Benzene 77 10 20 <br /> Toluene 1.8 0.50 1 " <br /> Ethylbenzene 1.3 0.50 " <br /> Xylenes (total) 2.4 1.0 " <br /> Surrogate:o-Chlorotoluene (Gas) 92.5% 65-135 <br /> U-21(CNK0709-20)Water Sampled: 11/16/04 17:27 Received: 11/19/04 10:53 <br /> Gasoline 330 250 µg/1. 5 CN09090 11/22/04 11/22/04 8015GRO/8021 GAS-1 <br /> B <br /> Benzene 100 2.5 " <br /> Toluene 5.4 2.5 " <br /> Ethylbenzene 3.4 2.5 ' <br /> Xylenes (total) 5.6 5.0 " <br /> Surrogate:o-Chlorotaluene(Gas) 91.5% 65-135 <br /> U-22(CNK0709-21)Water Sampled: 11/17/04 11:42 Received: 11/19/04 10:53 <br /> Gasoline ND 50 µg/L 1 CN09090 11/22/04 11/22/04 8015GRO/8021 ' <br /> B <br /> Benzene 0.64 0.50 " <br /> Toluene ND 0.50 " <br /> Ethylbenzene ND 0.50 " <br /> Xylenes (total) ND 1.0 <br /> Surrogate: o-Chlorotoluene (Gas) 93.0% 65-135 " <br /> 1 <br /> CA DOHS ELAP Accreditation/Registration Number 1233 <br /> 3249 Fitzgerald Road Rancho Cordova, CA 95742 www.californialab.com 916-638-7301 Fax: 916-638-4510 <br />