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PMOR THRO I CERTIFICATE OFANAL YSIS <br /> Analytical Laboratory <br /> 3935 N.Coronado Ave,Stockton CA.95204 Phone:(209)477-8105 <br /> Dillon&Murphy Project Number: Lagomarsino <br /> P.O.BOX 2180 Project Name: Lagomarsino 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 UO <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 ug/1 0.143 90 1 <br /> Matrix Spike(AF02202-MSI) <br /> 1,2-Dibromo-3-chloropropane(DBCP) 0.170 0.0200 119/1 0.143 ND 119 <br /> Matrix Spike Dup(AF02202-MSD1) <br /> 1,2-Dibromo-3-chloropropane(DBCP) 0 1'? 0.0200 ugn 0.143 ND 121 _ <br /> Notes and Definitions <br /> Item Definition <br /> QM-4X The spike recovery was outside of QC acceptance limits for the MS and/or MSD due to analyte concentration at 4 times or greater the spike co <br /> Dry Sample results reported on a dry weight basis. <br /> ND Analyte NOT DETECTED at or below the reporting limit. <br /> mVE-milligrams per Liter-ppm G-Grab Sample Comp-Grab-Composite of 4 Grab Sample during 24hrs Grab <br /> ug/L-micrograms per Liter=ppb C-Composite Sample period and composite into I sample prior analysis <br /> DLR a Detection Limitforpurpose of Reporting. <br /> Exceptional sample matrices or interferences may <br /> readt in h4her 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.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 /> Approved By <br /> Precision Enviro-Tech. o California D.O.H.S.Cert.#2387 <br /> Page 6 of 7 <br />