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_ Analytical Laboratory CERTIFICATE OFANALYSIS <br /> Thursday, December 21, 2011 <br /> Attention: Mike Toy <br /> ` Dillon & Murphy Report Page 4of5 <br /> P.O. BOX 2180 <br /> Lodi, CA 95241 <br /> r <br /> Conventional Chemistry Parameters by APHA/EPA Methods-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 AK12201 -General Preparation <br /> Blank(AK12201-BLK1) Prepared&Analyzed:22-Nov-11 <br /> Nitrate as NO3 ND 1.00 mg/L <br /> r <br /> LCS(AK12201-BSI) Prepared&Analyzed:22-Nov-1l <br /> Nitrate as NO3 25.3 1.00 mg/L 26.6 95 70-120 <br /> r.Calibration Check(AK12201-CCV I) Prepared&Analyzed:22-Nov-11 <br /> Nitrate as NO3 21.6 mg/L 26.6 81 0-200 <br /> Matrix Spike(AK12201-MS1) Source: 1112201-01 Prepared&Analyzed:22-Nov-11 <br /> a-Nitrate as NO3 38.2 1.00 mg/L 26.6 0.745 141 75-125 <br /> _Matrix Spike Dup(AK12201-MSD1) Source: 1112201-01 Prepared&Analyzed:22-Nov-11 <br /> Nitrate as NO3 28.1 1.00 mg/L 26.6 0.745 103 75-125 31 20 <br /> r <br /> r <br /> r <br /> v <br /> a. <br /> r <br /> mg'L=milligrams per Liter=ppm DLR-Delenion Limii for Purpose of Reporting. <br /> ug/L=micrograms per Liter-ppb Ercepnonal sample mainces or interferences may <br /> result in higher detection limits. <br /> RESPECTFULLY SUBMITTED, <br /> V <br /> Jonathan Le,Laboratory Director <br /> 3935 N. Coronado Ave Stockton CA 95204 Dhone: (209) 477-8105 Fax: (209) 546-7497 <br />