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� p <br /> ALIFORNIA LABORATORY SERVICES <br /> 12/22/03 16:04 <br /> S APEX Envirotech lnc.-Gold River Project: Moore Petroleum <br /> CLS Work Order#: CML0564 <br /> 11244 Pyrites Way Project Number: ERA02.004 ? <br /> Gold River,CA 95670 Project Manager: Rich Johnson COC#:32336 <br /> Gas/BTEX 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 Batch CL31746-EPA 5030 Water GC <br /> Blank(CL31746-BLKI) Prepared&Analyzed: 12/17/03 1 <br /> Gasoline ND 50 Ng/L <br /> h Benzene ND 0.50 1t <br /> Toluene ND 0.50 <br /> Ethylbenzene ND 0.50 <br /> Xylenes(total) ND 1.0 " <br /> 4 <br /> Surrogate:o-Chlorotoluene(Gas) 20.1 10.0 100 65-135 <br /> LCS(CL31746-BS1) Prepared&Analyzed: 12/17/03 <br /> Benzene 22.0 0.50 pg/L 20.0 Ito 70.140 <br /> Toluene 2t.5 0.50 20.0 108 70-140 <br /> Ethylbenzene 21.0 0.50 20.0 los 70-140 <br /> Xylenes(total) 60.8 1.0 60.0 101 70-140 <br />(- <br /> Surrogate:o-Chlorotoluene(BTEX) 10.5 10.0 102 65-135 <br /> LCS Dup(CL31746-BSD1) Prepared&Analyzed: 12/17/03 <br /> Benzene 21.7 0.50 µglL 20.0 108 70-140 1.37 30 } <br /> Toluene 21.3 0.50 20.0 106 70-140 0.935 30 <br /> Ethylbenzene 20.9 0,50 20.0 104 70-140 0.477 30 . <br /> Xylenes(total) 60.6 1.0 60.0 lot' 70-140 0.329 30 <br /> I <br /> Surrogate:o-Chlorotoluene(BTEX) 20.6 20.0 103 65-135 F <br /> Matrix Spike(CL31746-MS1) Source:CML0634-01 Prepared&Analyzed: 12/17/03 <br /> Benzene 21.7 0.50 µg/L 20.0 ND log 60-140 <br /> Toluene 21.2 0.50 20.0 ND 106 60-140 <br /> Ethylbenzene 20.9 0.50 20.0 ND 104 60-140 f <br /> Xylenes(total) 60.2 1.0 60.0 ND 100 60-140 <br /> I <br /> Surrogate:o-Chlorotoluene(BTEX) 20.5 10.0 102 65-135 <br /> k <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 />