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EXCELCHEM <br /> ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 0 <br /> Roseville, CA 95678 <br /> Phone#- (916) 773-3664 Fax# (916) 773-4784 <br /> OA/OC REPORT <br /> Attention Mr Alan Klem Lead Analyzed 08-26-96 <br /> FUGRO-WEST, INC Matrix Soil <br /> 1050 Melody Lane, Suite 160 <br /> Roseville, CA 95678 <br /> Project 9647-0771/Lopez Prop <br /> Lead <br /> PPM <br /> Reporting Limit 25 <br /> QA/QC PARAMETER <br /> Matrix Blank ND <br /> PERCENT RECOVERIES <br /> Matrix Spike 86% <br /> Matrix Spike Duplicate 90% <br /> Laboratory Control Spike 90% <br /> Laboratory Control Spike Duplicate 92% <br /> ppm=parts per tmllion-mg1Kg=mtillgmm per Uag-wn <br /> ND=Not detected Compound(s)may be present at�Dncentratwns below the reporning IML <br /> ANALYTICAL PROCEDURES <br /> Lead-is measured by digestion using EPA Method 3050,Followed by EPA Method 7420 <br /> 09-04-96 <br /> abor ory Representative Date Reported <br /> ENCELCHEM EN V IMONMENTAL LABS LS CERTIFIED BY THE SLATE OF CALIFORNIA <br /> DEFARTMF-\YOF HE 4LTHSERVICES ASA HAZARDOUS WASTETESnNG LABORATORY <br /> (Cenirvate n Na 1760) <br />