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i <br /> . G <br /> �L <br /> CALIFORNIA LABORATORY SERVICES <br /> 09/29/04 16:49 <br /> APEX Envirotech Inc.-Gold River Project: Moore Petroleum CLS Work Order#:CNIO755 <br /> 11244 Pyrites Way Project Number: ERA02.004-QM COC#: 1,2 <br /> Gold River,CA 95670 Project Manager: Rich Johnson <br /> GasBTEX by GC PIDTID - Quality Control <br /> i <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> i <br /> Batch CN07426-EPA 5030 Water GC <br /> 4 <br /> Blank(CN07426-BLK1) Prepared&Analyzed:09/23/04 <br /> Gasoline ND 50 pg/L ` <br /> Benzene ND 0.50 " <br /> Toluene ND 0.50 <br /> Ethylbenzene ND 0.50 <br /> Xylenes(total) ND 1.0 f <br /> Surrogate:o-Chlorotoluene(BTEX) 20.7 20.0 104 65-135 <br /> Surrogate:o-Chlorotoluene(Gas) 20.6 10.0 103 65-135 j <br /> M <br /> LCS(CN07426-BS1) Prepared&Analyzed:09/23/04 <br /> P ` Benzene 22.2 0.50 µLf 20.0 111 70-140 <br /> Toluene 21.5 0.50 20.0 108 70-140 <br /> Ethylbenzene 21.3 0.50 20.0 106 70-140 <br /> Xylenes(total) 64.4 1.0 60.0 107 70-140 <br /> I <br /> Surrogate:o-Chlorotoluene(BTEX) 20.4 20.0 102 65-135 <br /> LCS Du (CN07426-BSD1) Prepared&Analyzed:09/23/04 <br /> Benzene 22.2 0.50 gg1L 20.0 111 70-140 0.00 30 <br /> Toluene 21.1 0.50 20.0 106 70-140 1.88 30 <br /> Ethylbenzene 21.1 0.50 20.0 106 70-140 0.943 30 <br /> Xylenes(total) 64.6 1.0 60.0 108 70-140 0.310 30 <br /> Surrogate:o-Chlorotoluene(BTEA9 10.6 20.0 103 65-135 <br /> Matrix Spike(CN07426-MSI) Source:CNI0706-11 Prepared&Analyzed:09/23/04 <br /> Benzene 20.8 0.50 µg/L 20.0 1.2 98.0 60-140 <br /> Toluene 29.1 0.50 " 20.0 10 95.5 60-140 <br /> Ethylbenzene 20.7 0.50 " 20.0 1.8 94.5 60-140 <br /> Xylenes(total) 58.8 1.0 60.0 2.7 93.5 60-140 <br /> Surrogate:o-Chlorotoluene(BTEX) 19.3 20.0 96.5 65-135 <br /> i <br /> (71 <br /> I <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 />