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CALIFORNIA LABORATORY SERVICES <br /> 12/17/04 14:20 r <br /> APEX Envirotech Inc.-Gold River Project: Moore Petroleum <br /> CLS Work Order#:CNL0428 I <br /> 11244 Pyrites Way Project Number: ERA02.004 COC#:57769,56128,56129 <br /> Gold River,CA 95670 Project Manager: Rich Johnson <br /> GasBTEX by GC PID/FID - Quality Control <br /> 1 <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes I <br /> l <br /> Batch CN09621 -EPA 5030 Soil GC j <br /> Blank(CN09621-BLK1) Prepared&Analyzed: 12/15/04 <br /> Gasoline ND 1000 µg/kg <br /> Benzene ND 5.0 " <br /> Toluene ND 5.0 " <br /> Ethylbenzene ND 5.0 " <br /> Xylenes(total) ND to " <br /> Surrogate:o-Chlorotoluene(BTEX) 102 100 102 70-130 <br /> Surrogate:a-Chlorotoluene(Gas) 92.6 100 92.16 70-130 <br /> LCS(CN0962I-BSI) Prepared&Analyzed: 12/15/04 <br /> ---,Gasoline 211D 1000 µg/kg 2500 84.4 65-135 <br /> Surrogate:o Chlorotoluene(Gas) Ill 100 121 70-130 <br /> LCS Dup(CN09621-BSD1) Prepared&Analyzed: 12/15/04 <br /> Gasoline 2120 1000 µgAg .2500 84.8 65-135 0.473 30 <br /> t Surrogate:o-Chlorotoluene(Gas) 121 100 121 70-130 <br /> Matrix Spike(CN09621-MSI) Source:CNL0428-13 Prepared&Analyzed: 12/15/04 <br /> Gasoline 2230 1000 µg/kg 2500 ND 892 63-124 <br /> Surrogate:o-Chlorololuene(Gas) 124 100 124 70-130 <br /> Matrix Spike Dup(CN09621-MSD1) Source:CNL0428-13 Prepared&Analyzed: 12/15/04 <br /> Gasoline 1900 1000 pg/kg 2500 ND 76.0 63-124 16.0 35 <br /> Surrogate:o-Chlorotoluene(Gas) 108 100 108 70-130 <br /> Batch CN09622-:EPA 5030 Soil GC <br /> Blank(CN09622-BLKI) Prepared&Analyzed: 12/14/04 <br /> Gasoline ND 1000 µglkg <br /> Benzene IIND 5.0 " <br /> Toluene ND 5.0 <br /> Ethylbenzene ND 5.0 " <br /> Xyienes(total) ND 10 <br /> ;l <br /> { <br /> I <br /> t <br /> CA DOHS FLAP Accreditation/Registration Number 1233 j <br /> 1 <br /> 3249 Fitzgerald Road Rancho Cordova, CA 95742 www.californialab.com 916'-638-7301 Fax: 916-638-4510 <br />