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10 <br />CLS Labs <br />Analysis Report: Lead, EPA Method 7421 <br />Client: Grayland Environmental <br />Project No.: <br />022-160 <br />2731 Quail Street <br />Contact: <br />Jeff Clayton <br />Davis, CA 95616 <br />Phone: <br />(916)756-1441 <br />Project: <br />Lab Contact: <br />George Hampton <br />Lab ID No.: <br />P0595 <br />Date Extracted: 11/24/97 <br />Job No.: <br />810595 <br />Date Analyzed: 11/24/97 <br />COC Log No.: <br />32025 - 32024 <br />Date Reported: 11/26/97 <br />Batch No.: <br />M971124A <br />Instrument ID: <br />AA002 <br />Analyst ID: <br />PONGC <br />Matrix: <br />SOIL <br />Analyte <br />LAB CONTROL SAMPLE <br />LCS Conc. <br />CAS No. (mg/kg) <br />LCS <br />Recovery <br />(percent) <br />Pb (Lead) 7439-92-1 2.00 91 <br />LAB CONTROL SAMPLE DUPLICATE <br />LCSD <br />LCS Conc. Recovery <br />Analyte CAS No. (mg/kg) (percent) <br />Pb (Lead) 7439-92-1 2.00 91 <br />LCS RPD <br />LCS <br />Relative <br />Percent <br />Difference <br />Analyte CAS No. (percent) <br />Pb (Lead) 7439-92-1 0 <br />CA DOHS ELAP Accreditation/Registration Number 1233 <br />3249 Fitzgerald Road Rancho Cordova, CA 95742 (916) 638-7301 Fax(916)638-4510 <br />