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- , I <br /> CALIFORNIA LABORATORY SERVICES <br /> 1 <br /> 11/23/04 13 10 <br /> ENSR-Sacramento Project Farmer Unocal 5098,5400��c f orvke JIrk—Wn 0683 <br /> 10411 Old Placerville Rd,Suite 210 Project Number 06940-293-120 COC# 40519 <br /> Sacramento,CA 95827-2508 Project Manager Ben I Heningburg <br /> Metals by EPA 6000/7000 Series Methods - Quality Control <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch CN09017-EPA 3050B , <br /> Blank(CN09017-BLK1) Prepared&Analyzed 11/19/04 <br /> Lead ND 25 mg/kg <br /> LCS(CN09017-BSI) Prepared&Analyzed 11/19/04 ' <br /> Lead 277 25 mg/kg 250 111 75-125 <br /> LCS Dup(CN09017-ESDI) Prepared&Analyzed 11/19/04 <br /> Lead 280 25 mg/kg 250 112 75-125 108 25 , <br /> Matrix Spike(CN09017-MSI) Source CNK0680-01 Prepared&Analyzed 11/19/04 <br /> Lead 257 25 mg/kg 250 180 308 75-125 QM4X <br /> Matrix Spike Dup(CN09017-MSDI) Source CNK0690-01 Prepared&Analyzed 11/19/04 , <br /> Lead 429 25 mg/kg 250 180 996 75-125 501 30 QM-4X� <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 />