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9 CALIFORNIA LABORATORY SERVICES <br /> Page 7 of 17 12/16/05 09 44 <br /> APEX Envirotech Inc -Gold River Project Cohn Property <br /> 11244 Pyrites Way Project Number COHO1 001-QM CLS Work Order# COL0354 <br /> Gold River,CA 95670 Project Manager Drew Van Allen <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Note <br /> MW-1 (COL0354-01)Water Sampled 12/08/05 13 40 Received 12/09/05 10 35 <br /> DC-isopropyl ether ND 50 µg/L l0 C009392 12/12/05 12!12!05 EPA 8260B <br /> Ethyl tert-butyl ether ND 50 " <br /> Methyl tert-butyl ether ND 50 " <br /> tert-Amyl methyl ether ND 50 " <br /> Tert-butyl alcohol ND 50 ^ <br /> Benzene 3900 50 100 " <br /> Toluene 200 5 0 10 <br /> Ethylbenzene 2600 50 100 " <br /> Xylenes(total) 4100 100 " <br /> Surrogate Toluene-d8 105% 72-115 " <br /> MW-2(COL0354-02)Water Sampled 12/08/05 15 50 Received 12/09/05 10 35 <br /> i-isopropyl ether ND 25 µg/L 50 C009392 12/12/05 12/12/05 EPA 8260B <br /> Ethyl tert-butyl ether ND 25 ^ " <br /> Methyl tert-butyl ether ND 25 " <br /> tert-Amyl methyl ether ND 25 <br /> Tert-butyl alcohol ND 250 ^ ~ ~ <br /> Benzene 31000 100 " 200 " <br /> Toluene 12000 100 " <br /> Ethylbenzene 4600 25 50 " <br /> Xylenes(total) 26000 200 200 " <br /> Surrogate Toluene-d8 104% 72-125 " <br /> MW-3(COL0354-03)Water Sampled 12/08/05 15 15 Received 12/09/05 10 35 <br /> Di-isopropyl ether ND 10 µg/L 20 C009392 12/12/05 12/12/05 EPA 8260B <br /> Ethyl tert-butyl ether ND 10 " ^ <br /> Methyl ten-butyl ether ND 10 <br /> Cert-Amyl methyl ether ND 10 " » <br /> Tert-butyl alcohol ND 100 " <br /> Benzene 3100 25 50 " <br /> Toluene 2000 10 20 " <br /> Ethylbenzcne 4400 25 50 " <br /> Xylenes(total) 24000 50 " <br /> CA DOHS ELAP Accreditation/Registration Number 1233 <br /> 3249 Fitzgerald Road Rancho Cordova,CA 95742 www californlalab com 916-638-7301 Fax- 916-638-4510 <br />