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POOR Moo M <br />Analytical Laboratory <br />3935N. Coronado Ave, Stockton CA. 95204 Phone: (209) 477-8105 <br />CERTIFICATE OFANALYSIS <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 />L' -uo ana insur Dy Elm Memod 5U4.1 - duality Control <br />Reporting Spike Source <br />Analyte Result Limit Units Level Result o/aREC RPD Notes <br />Blank (AF02202-BLKI) <br />1,2-Dibromo-3-chloropropane (DBCP) <br />ND <br />0.0200 <br />u9/1 <br />LCS (AF02202-BSI) <br />1,2-Dibromo-3-chloropropane (DBCP) <br />0.127 <br />0.0200 <br />u8A <br />0.143 <br />89 <br />LCS Dup (AF02202-BSD1) <br />1,2-Dibromo-3-chloropropane (DBCP) <br />0.129 <br />0.0200 <br />ug/l <br />0.143 <br />90 1 <br />Matrix Spike (AF02202-MSI) <br />1,2-Dibromo-3-chloropropane (DBCP) <br />0.170 <br />0.0200 <br />ug/l <br />0.143 ND <br />119 <br />Matrix Spike Dup (AF02202-MSDI) <br />1,2-Dibromo-3-chloropropane (DBCP) <br />0.173 <br />0.0200 <br />ug/1 <br />0.143 ND <br />121 2 <br />Notes and Definitions <br />Item Definition <br />QM4X 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 />mg/L = milligrams per Liter — ppm G- Grab Sample <br />ug/L = micrograms per Liter = ppb C -Composite Sample <br />DLR = Detection Limitfor 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 />Comp -Grab- Composite of 4 Grab Sample during 24hrs Grab <br />period and composite into l sample prior analysis <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 />