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I , <br /> ' CALIFORNIA LABORATORY SERVICES <br /> . x <br /> 03/10/05 12:20 <br /> r <br /> APEX Envirotech Inc.-Gold River Project: Moore Petroleum <br />` 11244 Pyrites WayProject Number: ERA02,004-QM CLS Work Order#:C000182 j <br /> Gold River,CA 95670 Project Manager: Rich Johnson <br /> GasBTEX by GC PID/FID - Quality Control <br /> ! <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 /> S <br /> Blank(C001684-BLK1) Prepared&Analyzed:03/04/05 <br /> Gasoline ND 50 Ng/L <br /> Benzene ND 0.50 <br /> Toluene ND 0.50 " <br /> Ethylbenzene ND 0.50 <br /> Xylenes(total) ND 1.0 " <br /> Surrogate:o-Chlorotoluene(BTEX) 20.2 20.0 101 65-135 <br /> Surrogate:o-Chlorotoluene(Gas) 19.9 20.0 99.5 65-135 <br /> i <br />�. LCS(CO01684-BSI) Prepared&Analyzed:03/04/05 i <br /> Benzene 21.2 0.50 pg/L 20.0 106 70-140 } <br /> Toluene 20.6 0.50 20.0 103 70-140 <br /> Ethylbenzene 20.0 0.50 20.0 too 70-140 ' <br /> Xylenes(total) 61.4 1.0 60.0 102 70-140 <br /> Surrogate:o-Chlorotoluene(BTEX) 19.9 20.0 99.5 65-135 <br /> i LCS Dup(CO01684-BSD1) Prepared&Analyzed:03/04/05 <br /> Benzene 22.2 0.50 µg/L 20.0 111 70-140 4.61 30 <br /> Toluene 2.1.2 0.50 20.0 106 70-14G 2.87 30 <br /> Ethylbenzene 20.9 0.50 20.0 104 70-140 4.40 30 <br /> Xylenes(total) 63.8 1.0 60.0 106 70-140 3.83 30 <br /> l <br /> Surrogate:o-Chlorololuene(BTEX) 20.3 20.0 102 65-135 {{ <br /> Matrix Spike(CO01684-MSI) Source: C000182-13 Prepared&Analyzed:03/04/05 f <br /> Benzene 23.5 0.50 pg1L 20.0 1.5 110 60-140 <br /> Toluene 22.1 0.50 20.0 2.1 100 60-140 <br /> Ethylbenzene 25.0 0.50 20.0 4.8 101 60-140 <br /> Xylenes(total) 62.1 !.D 60.0 1.8 100 60-140 <br /> P <br /> Surrogate:o-Chlorotoluene(BTEX) 19.6 20.0 98.0 65-135 <br /> i <br /> } ) <br /> . 1 <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 /> i <br />