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=HWOKO-TECK <br /> _ <br /> Analytical Laboratory CERTIFICATE OFANALYSIS <br /> Thursday, December 22, 2011 <br /> Attention: Mike Toy <br /> r Dillon & Murphy Report Page 3of5 <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 /> low <br /> Batch AK12503-Solvent Extraction <br /> Blank(AK12503-BLK1) Prepared&Analyzed:25-Nov-11 <br /> ` 1,2-Dibromc-3-chlompropane ND 0.0200 us/[ <br /> 1,2-Dibromoethane(EDB) ND 0.0100 " <br /> LCS(AK12503-BSI) Prepared&Analyzed:25-Nov-11 <br /> ` 1,2-Dibromo-3-chloropropane 0.0739 0.0200 ug/I 0.0735 100 75-125 <br /> 1,2-Dibromoethane(EDB) 0.0719 0.0100 0.0735 98 75-125 <br /> Matrix Spike(AK12503-MS1) Source: 1112201-01 Prepared&Analyzed:25-Nov-11 <br /> 1,2-Dibromo-3-chloropropane 0.0755 0.0200 ug/I 0.0735 ND 103 75.125 <br /> 1,2-Dibromoethane(EDB) 0.0735 0.0100 0.0735 ND 100 75-125 <br /> Matrix Spike Dup(AK12503_-MSDI) _Source: 11122_01-01 _Prepared&Analyzed:25-Nov-I1 <br /> r 1,2-Dibromo-3-chloropropme 0.0756 0.0200 ug/1 0.0735 ND 103 75.125 0.2 20 <br /> 1,2-Dibromoethane(EDB) 0.0719 0.0100 0.0735 ND 98 75.125 2 20 <br /> r <br /> r <br /> r <br /> 1. <br /> met-milligrams per Liter-ppm DLit=Detection Limit for Purpose of Reporting. <br /> t ug/L=micrograms per Liter=ppb Exceptional sample matrices or interferences may <br /> result in higher detection limits. <br /> RESPECTFULLY SUBMITTED, <br /> L ��� <br /> Jonathan Le,Laboratory Director <br /> ,� 3935 N. Coronado Ave Stockton CA. 95204 vhone: (209) 47-8105 Fax: (209) 546-7497 <br />