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r <br /> t CALIFORNIA LABORATORY SERVICES <br /> Page 18 of 21 12/23/05 12:58 <br /> t APEX Envirotech Inc.-Gold River Project: Moore Petroleum <br /> 11244 Pyrites Way Project Number: ERA02.004-QM CLS Work Order#:COL0454 <br /> Gold River,CA 95670 Project Manager: Rich Johnson <br /> Gas/BTEX by GC PIDIFID - Quality Control <br /> Reporting Spike Source %REC RPO <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> i <br /> Batch CO09568- EPA 5030 Water GC <br /> Blank(CO09568 BLKI) Prepared&Analyzed: 12/15/05 <br /> Surrogate:o-Chlorotoluene(BTEX) 19.8 lug/L 20.0 99.0 65-135 <br /> Surrogate:o-Chlorotoluene(Gas) 16.8 20.0 84.0 65-135 <br /> LCS(CO09568-BS1) Prepared&Analyzed: 12/15/05 <br /> Gasoline 574 50 pg/L 500 115 65-135 <br /> Surrogate:o-Chlorotoluene(Gas) 20.2 20.0 101 65-135 <br /> LCS Dup(CO09568-BSD1) Prepared&Analyzed: 12/15/05 <br /> Gasoline 571 50 4g/L 500 114 65-135 0.524 30 <br /> Surrogate:o-Chlorotoluene(Gas) 19.9 20.0 99.5 65-135 <br /> L <br /> atrix Spike(CO09568-MSI) Source:COL0477-01 Prepared&Analyzed: 12/15/05 <br /> Gasoline 553 50 µg/L 500 NO ill 65-135 <br /> Surrogate:o-Chlorotoluene(Gas) 19.6 20.0 98.4 65-135 <br /> Matrix Spike Dup(CO09568-MSD1) Source: COL0477-01 Prepared&Analyzed: 12/15/05 <br /> Gasoline 558 50 µg(1. 500 ND 112 65-135 0.900 30 <br /> Surrogate:o-Chlorotoluene(Gas) 20.0 20.0 100 65-135 <br /> 4 <br /> CA DOHS ELAP Accreditation/Registration Number 1233 <br /> 3249 Fitzgerald Road Rancho Cordova, CA 95742 www.californialab.com 916-638-7301 Fax: 916-6384510 <br />