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.1 <br /> 1 .1 <br /> �1 <br /> l <br /> CALIF"ORNrA LABORATORY SERVICES <br /> 09/15/03 14:14 <br /> APEX Envirotech Inc.-Gold River Project: Moore Petroleum CLS Work Order#:CMI0206 <br /> 11244 Pyrites Way Project Number: [none] <br /> Gold River,CA 95670 Project Manager: Rich 7ohnson- COC#:32492 I� <br />{ 1 <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 /> F <br /> ` Batch C131135-EPA 5030 Water MS <br /> E' <br />' Blank(CI31135-BLK1) - Prepared&Analyzed:09/11/03 <br /> Di-isopropyl ether ND 5.0 pg/L <br /> l <br /> Ethyl tert-butyl ether ND 5.4 " <br /> Methyl tert-butyl ether= ND 5.0 " <br /> Tert-amyl methyl ether ND .5.0 " <br /> Tert-butyl alcohol ND 50 " <br /> Surrogate:Toluene-d8 55.5 50.0 111 71-125 <br /> LCS(0131135-BS1) Prepared&Analyzed:09/11/03 <br /> Methyl tent-butyl ether 46.0 5.0 µg/l, 50.0 92.0 52-130 <br /> ` Surrogate:Toluene-d8 48.1 50.0 96.2 72-125 <br /> LCS I)up_(CI31135-BSD1) Prepared&Analyzed:09/11/03 <br /> Methyl tent-butyl ether 44.8 5.0 gg/L 50.0 89.6 52-130 2,64 30 <br /> Surrogate:Toluene-d8 52.4 50.0 105 72-125 <br /> Matrix Spike(C131135-MS1) Source:CMI0249-01 Prepared&Analyzed:09/11/03 <br /> Methyl tert-butyl ether; 43.0 5.0 µg/L 50.0 ND 86.0 52-140 <br /> Surrogate:Toluene-d8 51.9 50.0 104 71-125 <br /> Matrix Spike Dup(0131135-MSD1) Source:CM10249-01 Prepared&Analyzed:09/11/03 <br /> Methyl tert-butyl ether " 42.9 5.0 µg/L 50.0 ND 85.8 52-140 0.233 30 <br /> Surrogate:Toluene-d8 51.1 50.0 104 71-115 y� <br /> ij <br /> i <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 />