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CALIFORNIA LABORATORY SERVICES <br /> Page 14 of 17 12/16/05 09 44 <br /> APEX Envirotech Inc -Gold River Project Cohn Property <br /> 1 1244 Pyrites Way Project Number COH01 001-QM CLS Work Order 4 COL0354 <br /> Gold River,CA 95670 Project Manager Drew Van Allen <br /> TPH-Gasoline by GC FID- Quality Control <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch C009466-EPA 5030 Water GC <br /> Blank(CO09466-BLKI) Prepared 12/12/05 Analyzed 12/14/05 <br /> Gasoline ND 50 pg/L <br /> Surrogate o-Chlorotoluene(Gas) 174 200 870 65-135 <br /> LCS(CO09466-11SI) Prepared 12/12/05 Analyzed 12/I4/05 <br /> Gasoline 483 50 pg/L 500 96 6 65-135 <br /> Surrogate o Chlorotoluene(Gas) 190 200 950 65-135 <br /> LCS Dup(CO09466-BSD1) Prepared 12/12/05 Analyzed 12/14/05 <br /> Gasoline 573 50 pg/L Soo 115 65-135 170 30 <br /> Surrogate o-Chlorotoluene(Gas) 197 " 200 985 65-135 <br /> Iftiatrix Spike(CO09466-MSI) Source COL0354-10 Prepared 12/12/05 Analyzed 12/14/05 <br /> Gasoline 498 50 gg/L 500 ND 996 68-132 <br /> Surrogate o-Chlorotoluene(Gas) 190 200 95 0 65-135 <br /> Matrix Spike Dup(CO09466-MSDI) Source COL0354-10 Prepared 12/12/05 Analyzed 12/14/05 <br /> Gasoline 576 50 pg/L 500 ND 115 68-132 14 5 32 <br /> Surrogate o-Chlorotoluene(Gas) 200 200 100 65-135 <br /> Batch C009467-EPA 5030 Water GC <br /> Blank(CO09467-BLKI) Prepared 12/12/05 Analyzed 12/14/05 <br /> Gasoline ND 50 pg/L <br /> Surrogate o-Chlorotoluene(Gas) 174 200 870 65-135 <br /> LCS.(CO09467-BS1) Prepared 12/12/05 Analyzed 12/14/05 <br /> Gasoline 514 50 pg/L 500 103 65-135 <br /> Surrogate o-Chlorotoluene(Gas) 22 7 200 114 65-135 <br /> s <br /> CA DOHS ELAP Accreditation/Registration Number 1233 <br /> 3249 Fitzgerald Road Rancho Cordova,CA 95742 www ealifornialab com 916-638-7301 Fax 916-638-4510 <br />