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CERTIFICATE OFANALYSIS <br /> .Analytical Laboratory <br /> 3935N.Coronado Ave,Stockton CA.95204 Phone:(209)477-8105 <br /> Dillon&Murphy Project Number: Stoddart <br /> P.O.BOX 2180 Project Name: Stoddart Work Order No.: <br /> Lodi,CA 95241 <br /> Project Manager: Mike Toy <br /> EDB and DBCP by EPA Method 504.1-Quality Control <br /> Reporting Spike Source <br /> Analyte Result Limit Units Level Result %REC RPD Notes <br /> Blank(AF02202-BLKI) <br /> 1,2-Dibromo-3-chloropropane(DBCP) ND 0.0200 ug/1 <br /> LCS(AF02202-BSI) <br /> 1,2-Dibromo-3-chloropropane(DBCP) 0.127 0.0200 ug/l 0.143 89 <br /> LCS Dup(AF02202-BSDI) <br /> 1,2-Dibromo-3-chloropropane(DBCP) 0.129 0.0200 119/1 0.143 90 I <br /> Matrix Spike(AF02202-MS1) <br /> 1,2-Dtbromo-3-chloropropane(DBCP) 0.170 0.0200 ug/1 0.143 ND 119 <br /> Matrix Spike Dup(AF02202-MDI) <br /> 1,2-Dibromo-3-chloropropane(DBCP) 0 173 0.0200 ug/1 0 143 ND 121 2 <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 /> mgt-milligrams per Liter-ppm G-Grab Sample Comp-Grab-Composite of 4 Grab Sample during 14hrs Grab <br /> ug/L-micrograms per Liter=ppb C-Composite Sample <br /> period and composite into 1 sample prior analysis <br /> DLR-Detection Limitfor purpose of Reporting. <br /> Exceptional sample matrices or interferences may <br /> result in higher detection limits. <br /> JVICL-Maritmtm contaminant level(XICL)is the highest <br /> concentration ofchemicals 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.Coli 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 /> C/q az_ <br /> Approved By <br /> Precision Enviro-Tech. o California D.O.H.S.Cert.#2387 <br /> Page 6 of 7 <br />