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I <br /> 1 <br /> C, CALIFORNIA LABORATORY SERVICES <br /> 3 <br /> 1 <br /> 1 <br /> 01/31/05 13:37 <br /> 1 <br /> APEX Envirotech Inc.-Gold River Project: Moore Petroleum CLS Work Order#:COA4707 <br /> 11244 Pyrites Way Project Number: ERA02.004 <br /> Gold River,CA 95670 Project Manager: Rich Johnson COC#: <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 0000569-EPA 5030 Water MS <br /> Blank(C000569-B.LK1) Prepared&Analyzed:01/24/05 <br /> Di-isopropyl ether ND 0.50 gg/L <br /> Ethyl tert-butyl ether ND 0.50 <br /> Methyl cert-butyl ether ND 0.50 " <br /> tert-Amyl methyl ether ND 0.50 # <br /> Tert-butyl alcohol ND 5.0 <br /> Surrogate:Toluene-& 9.73 10.0 97.3 72-125 <br /> LCS(0000569-BS1) Prepared&Analyzed:01/24/05 <br /> Methyl tert-butyl ether 18.4 0.50 pgfL 20.0 92.0 52-130 <br /> Surrogate:Toluene-& 11.3 10.0 113 72-125 <br /> LCS Dup(CO00569-BSD1) Prepared&Analyzed:01/24/05 <br /> Methyl tert-butyl ether 18.7 0.50 µglL 20.0 93.5 52-130 1.62 30 <br /> Surrogate:Toluene-& 10.2 10.0 102 72-125 <br /> I i <br /> ,s <br /> l <br /> rr` <br /> {` <br /> F r <br /> 1 <br /> CA DOHS ELAP Accreditation/Registration Number 1233 <br /> 3249 Fitzgerald Road Rancho Cordova, CA 95742 . www.californialab.com 9i6-638-7301 Fax: 916-638-4510 <br />