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CALIFORNIA LABORATORY SERVICES <br /> 03/10/05 12:20 <br /> APEX Envirotech Inc.-Gold River Project: Moore Petroleum t <br /> 11244 Pyrites WayCLS Work Order k:C000182 <br /> Project Number; ERA02.004- M <br /> Q <br /> Gold River,CA 95670 Project Manager: Rich Johnson <br />' GasBTEX by GC PID/FID - Quality Control <br /> . j <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch C001684-EPA 5030 Water GC <br /> i <br /> Matrix Spike Dup(CO01684-MSD1) Source:C000182-13 Prepared&Analyzed:03/04/05 1 <br /> I <br />�. Benzene 21.7 0.50 pglL 20.0 1.5 l01 60-140 7.96 30 <br /> Toluene 22.0 0.50 20.0 2.1 94.5 60-140 0.454 30 <br /> Ethylbenzene 24:5 0.50 20.0 4.8 98,5 60-140 2.02 30 <br /> Xylenes(total) 60.6 1.0 60.0 1.8 98.0 60-140 2.44 30 <br /> Surrogate:o-Chlorololuene(BTEXJ 19.1 10.0 95.5 65-135 <br /> Batch C001688-EPA 5030 Water GC <br /> Blank(CO01688-BLKI) Prepared&Analyzed:03/04/05 <br /> Gasoline ND 50 pg/L <br /> ( Benzene ND 0.50 « <br /> lam/, Toluene ND 0.50 " <br />€ Ethylbenzene ND 0.50 " <br /> Xylenes(total) ND 1.0 " <br /> E Surrogate:o-Chlorotoluene(BTWQ 21.3 10.0. 106 65-135 <br /> Surrogate:o-Chlororoluene(Gas) 21.8 10.0 109 65-135 } <br /> t <br /> i LCS(CO01688-BSI) Prepared&Analyzed:03/04/05 } <br /> Gasoline 540 50 gg/L 500 108 65-135 <br /> Surrogate:o-Chlorotoluene(Gas) -21.3 20.0 106 65-135 <br /> LCS Dup(CO01688-BSDI) Prepared&Analyzed:03/04/05 <br /> Gasoline 444 50 pg/L 500 88:8 65-135 19.5 30 <br /> If <br /> Surrogate:o-Chlorotoluene(Gas) 20.9 20.0 <br /> 10 65-135 <br /> i <br /> I <br /> r <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 />