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�. CALIFORNIA LABORATORY SERVICES <br /> 4 <br /> 12/17/04 14:20 <br /> APEX Envirotech Inc.-Gold River Project: Moore Petroleum 7 <br /> 11244 Pyrites Way Project Number: ERA02.004 CLS Work Order#:CNL0428 <br /> Gold River,CA 95670 Project Manager: Rich 3ohnson <br /> COC 9:57769,56128,56129 <br /> i GasBTEX by GC PID/FID - Quality Control <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result °/nKEC Limits RPD Limit Notes <br /> Batch CN09622_EPA 5030 Soil GC <br /> Blank(CN09622-BLKI) Prepared&Analyzed: 12/14/04 <br /> Surrogate:o-Chlorotoluene(BTEX) 102 uglkg 100 101 70-130 <br /> Surrogate:o-Chlorotoluene(Gas) 92.7 100 92,7 70-130 <br /> LCS(CN09622-BSI) Prepared&Analyzed: 12/14/04 <br /> Gasoline 2020 1000 Mg/kg 2500 80,8 65-135 <br /> Surrogate:o-Chlorotoluene(Gas) 117 100 117 70-130 <br /> LCS Dup(CN09622-BSD1) Prepared&Analyzed: I2/14/04 <br /> Gasoline 2040 1000 µg/kg 2500 81.6 65-135 0.985 30 <br /> --,.,surrogale:o-Chlorotoluene(Gas) 122 100 122 70-130 <br /> Batch CN09670-EPA 5030 Soil GC <br /> a Blank(CN09670-BLKI) Prepared&Analyzed: 12/15/04 <br /> Gasoline ND 1000 pg/kg <br /> Benzene ND 5.0 <br /> Toluene ND .5.0 " <br /> Ethylbenzene ND 5.0 " <br /> Xylenes(total) ND 10 " <br /> Surrogate:o-Chlorotoluene(BTEX) 103 100 103 70-130 <br /> Surrogate:o-Chlorotoluene(Gas) 92.0 100 92:0 70-130 <br /> i <br /> LCS(CN09670-BSI) Prepared&Analyzed: 12/15/04 <br /> Gasoline 2450 1000 gg/kg 2500 99.0 65-135 <br /> Surrogate:o-Chlorotoluene(Gas) 123 100 113 70-130 <br /> .LCS Dup(CN09670-BSDI) Prepared&Analyzed; 12/15/04 <br /> Gasoline 2390 1000 ltglkg 2500 95.6 65-135 2.48 30 <br /> Surrogate:o-Chlorotoluene(Gas) 124 100 114 70-130 <br /> z <br /> C; <br /> { <br /> , <br /> CA DOHS ELAP Accreditation/Registration Number 1233 <br /> 3249 Fitzgerald Road Rancho Cordova, CA 95742 www.californialab.com 916-638-7301 Rax: 916-638-4510 <br /> j <br />