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'r <br /> CALIFORNIA LABORATORY SERVICES <br /> 12/17/04 14:20 <br /> APEX Envirotech Inc.-Gold River Project: Moore Petroleum <br /> 11244 Pyrites Way CLS Work Order#:CNLp428 <br /> t. Y Y Project Number: ERA02.004 <br /> Gold River,CA 95670 Project Manager: Rich Johnson COC#:57769,56128,56129 <br /> r 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 CN09632-EPA 5030 Soil MS <br /> LCS Dup(CN09632-BSD/) Prepared&Analyzed: 12/15/04 <br /> Methyl tert-butyl ether 41,4 5.0 pg/kg 50.0 82:8 60-140 11.8 30 <br /> 1 Surrogate:Toluene-d8 45.2 50.0 90.4 60_/40 <br /> Matrix Spike(CN09632-MSI) Source:CNL0478-12 Prepared&Analyzed: 12/15/04 k <br /> Methyl tert-butyl ether, 40.2 5.0 pg*g 50.0 ND 80.4 60-140 Jy <br /> Surrogate;Toluene-d8j 45.0 " 50.0 90.0 60-140 <br /> Matrix Spike Dup(CN09632-MSD1) Source:CNL0478-12 Prepared&Analyzed: 12/15/04 <br /> Methyl tert-butyl ether 41,6 5.0 pg/kg 50.0 ND 83.2 60-140 3.42 30 <br /> i <br /> ' Surrogate:Toluene-d8 45.1 50.0 90.2 60-140 j <br /> I <br /> f t <br /> { <br /> l <br />� k 4 <br /> i <br /> k <br /> i <br /> I <br /> - T <br /> k <br />;I <br /> CA DOHS FLAP Accreditation/Registration Number 1233 <br /> 3249 Fitzgerald Road Rancho Cordova, CA 95742 www.californialab.com 916-638-7301 Fax: 916-638-4510 <br />