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PRECISION <br /> ENVIRO-TECH <br /> Analytical Laboratory CERTIFICATE OFANALYSIS <br /> Monday, February 10, 2014 <br /> Attention: Mike Toy <br /> Report Page 3 of 5 <br /> Dillon & Murphy <br /> P.O. BOX 2180 <br /> Lodi, CA 95241 <br /> EDB and DBCP by EPA Method 504.1 - Quality Control <br /> _ Precision Enviro-Tech <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch AA42318-Volatiles <br /> Blank AA42318-BLKI) Prepared&Analyzed:23-Jan-14 <br /> 1,2-Dibromo-3-chloropropme ND 0.0200 ug/I <br /> 1,2-Dibromoethane(EDB) ND 0.0100 <br /> LCS(AA42318-BSI) _. _Prepared&Malyzed:23-Jan-14—_-__ _. <br /> .. 1,2-Dibromo-3-chloropropane 0.0739 0.0200 ug/1 0.0735 100 75-125 <br /> 1,2-Dibromoethane(EDB) 0.0700 0.0100 " 0.0735 95 75-125 <br /> Matrix Spike(AA42318-MSI) Source:4012212-01 Prepared&Analyzed:23-Jan-14 <br /> r. 1,2-Dibromo-3-chloropropane 0.0669 0.0200 us/1 0.0735 ND 91 75.125 <br /> 1,2-Dibromoethane(EDB) 0.0674 0.0100 0.0735 ND 92 75-125 <br /> Matrix Spike DuP(AA42318-MSD/) Source:4012212-01 Prepared&Analyzed:23-Jan-14 <br /> -- <br /> iiiii, 1,2-Dibromo-3-chloropmpane 0.0671 0.0200 ug/1 0.0735 ND 91 75-125 0.2 20 <br /> 1,2-Dibromoethane(EDB) 0.0659 0.0100 0.0735 ND 90 75-125 2 20 <br /> a. <br /> a. <br /> r <br /> m&L=milligrams per Luer=ppm DLR-Detection Limit for Purpose of Reporting. <br /> aq L=micrograms per Liter-ppb Exceptional sample matrices or interferences may <br /> result in higher detection limits <br /> RESPECTFULLY SUBMITTED, <br /> (�j 4re� <br /> Jonathan Le, Laboratory Director <br /> 3935 N. Coronado Ave Stockton CA. 95204 Dhone: (209) 477-5105 Fac: (209) 177-8118 <br />