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' CALIFORNIA LABORATORY SERVICES <br /> 09/29/04 16:49 <br /> APEX Envirotech Inc.-Gold River Project: Moore Petroleum CLS Work Order f#•CN10755 <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 PID/FID - Quality Control <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 /> Matrix Spike Dup(CN07426-MSD1) -Source: CNI0706-11 Prepared&Analyzed:09/23/04 <br /> Benzene 20.4 0.50 ltg/L, 20.0 1.2 96.0 60-140 1,94 30 l <br /> Toluene 29.9 0.50 20.0 10 99.5 60-140 2.71 30 i <br /> Ethylbenzene 20.8 0.50 20.0 1.8 95.0 60-140 0.482 30 <br /> Xylenes(total) 58.5 1.0 60.0 2.7 93.0 60-140 0.512 30 <br /> Surrogate:o-Chlorotoluene(BTEX} 18.4 10.0 91.0 65-135 <br /> Batch CN07430-EPA 5030 Water GC <br /> Blank(CN07430-BLKI) Prepared&Analyzed:09/24/04 I <br /> Gasoline ND 50 gg/L I <br /> Benzene ND 0.50 <br /> i <br /> Toluene ND 0.50 " <br /> Ethylbenzene ND 0.50 " <br /> Xylenes(total) ND 1'0 <br /> Surrogate:o-Chlorotoluene(BTEX) 10.1 10,0 1o0 65-135 <br /> Surrogate:o-Chlorotoluene(Gas) 19.6 10.0 98.0 65-135_ <br /> LCS(CN07430-BSI) Prepared&Analyzed:09/24/04 <br /> Gasoline 481 50 gg/L 500 96.2 65-135 <br /> Surrogate:o-Chlorotoluene(Gas) 10.0 " 10.0 100 65-135 ! <br /> LCS Dup(CN07430-ESDI) Prepared&Analyzed:09/24/04 <br /> Gasoline 473 50 gg/L 500 94.6 65-135 1.68 30 <br /> Surrogate:o-Chlorotoluene(Gas) 19,5 " 10.0 97.5 65-135 <br /> Matrix Spike(CN07430-MSI) Source: CN10780-11 Prepared&Analyzed:09/24/04 <br /> Gasoline 693 50 µglL, 500 270 84,6 65-135 <br /> Surrogate:o-Chlorotoluene(Gar) 19.5 10.0 97.5 65-135 <br /> q�q <br /> � T <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 />