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Magog THROWN CERTIFICATE OFANALYSIS <br /> Analytical Laboratory <br /> 3935 N.Coronado Ave,Stockton CA.95204 Phone:(209)477-8105 <br /> Sumiden Wire Products Corp. Project Number: SWPC <br /> 1412 El Pinal Drive Project Name: Used Drawing Lube Work Order No.: <br /> Stockton,CA 95208-0719 <br /> Project Manager: Kevin Evans <br /> Metals by 6000/7000 Series with Citrate Buffer Extraction Procedure-Quality Control <br /> Reporting Spike Source <br /> Analyte Result Limit Units Level Result %REC RPD Notes <br /> Blank(AF91105-BLK1) <br /> Chromium ND 0.0500 mg/L <br /> LCS(AF91105-BS1) <br /> Chromium 0.0532 0.0500 mg/L 0.0500 106 <br /> Duplicate(AF91105-DUPl) <br /> Chromium 0.492 0.0500 mg/L 0.478 3 <br /> Matrix Spike(AF91105-MS1) <br /> Chromium 0.575 0.0500 mg/L 0.100 0.478 97 <br /> Matrix Spike Dup(AF91105-MSD1) <br /> Chromium 0.569 0.0500 mg/L 0.100 0.478 91 1 <br /> Reference(AF91105-SRMI) <br /> Chromium 0.190 0.0500 mg/L 0.168 113 <br /> Notes and Definitions <br /> Item Definition <br /> Dry Sample results reported on a dry weight basis. <br /> ND Analyte NOT DETECTED at or below the reporting limit. <br /> mg/L=milligrams per Liter=ppm G-Grab Sample Comp-Grab-Composite of 4 Grab Sample during 24hrs Grab <br /> uglL=micrograms per Liter=ppb C-Composite Sample period and composite into 1 sample prior analysis <br /> DLR=Detection Limit for Purpose of Reporting. <br /> Exceptional sample matrices or interferences may <br /> result in higher detection limits. <br /> MCL-Maximum contaminant level(MCL)is the highest <br /> concentration of chemicals permitted in drinking water systems <br /> RPD Relative Percent Difference <br /> %REC Percent Recovery <br /> Source Sample that was matrix spiked or duplicated. <br /> MMO-MUG-P/A-Total Coliform and E.Coh Test in Drinking Water by MMO-MUG,using Standard Method 22nd Edition. <br /> The State Board of Health requires that bacteriological results must be'ABSENCE'or less than 1.1(for MTF method)to meet drinking water requirements. <br /> Approved By <br /> Precision Enviro-Tech. — California D.O.H.S.Cert.#2387 <br /> Page 4of5 <br />