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-TOM( H <br /> COAFr��13�VZR.aboratory CERTIFICATE OFANALYSIS <br /> Wednesday,December 23,2015 <br /> .Iitenlion; William Little <br /> Advanced GeoEnvironmental, Inc. Report Page 5of7 <br /> 837 Shaw Road <br /> Stockton, CA 95215 <br /> Metals by 6000/7000 Series with Citrate Buffer Extraction Procedure-Quality Control <br /> Precision Enviro-Tech <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %uREC Limits RPD Limit Notes <br /> Batch AL52213-EPA 3020A <br /> Blank(AL52213-BLKI) Prepared&Analyzed:22-Dec-15 <br /> Lead ND 0.0100 mg/L <br /> LCS(AL52213-BSI) Prepared&Analyzed:22-Dec-15 <br /> Lead 0.0997 0.0100 mg/L 0.100 100 80-120 <br /> LCS Dup(AL52213-BSDI) Prepared&Analyzed:22-Dec-15 <br /> Lead 0.103 0.0100 mg/L 0.100 103 80-120 3 20 <br /> Matrix Spike(AL-52213-MSI) Source:5120227-02 Prepared&Analyzed:22-Dec-15 <br /> Lead 0.434 0.0100 mg/L 0.200 0.224 105 75-125 <br /> Matrix Spike Dup(AL52213-MSDI) Source:5120227-02 Prepared&Analyzed:22-Dec-15 <br /> Lead 0.438 0.0100 mg/L 0.200 0.224 107 75-125 0.9 20 <br /> mg,L=milligrams per Liter=ppm DLR=Detection Limit for Purpose of Reporting. <br /> ug L=micrograms per Liter=ppb Exceptional sample matrices or interferences may <br /> result in higher detection limits. <br /> RESPECTFULLY SUB N1 I 1 I L D. <br /> C5/01r� <br /> Jonathan Le,Laboratory Director <br /> 3935 N. Coronado Ave Stockton CA. 95204 vhone: (209) 477-8105 Fax: (209) 546-7497 <br />