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` PRECISION <br /> ENVIRO-TECH <br /> Analytical Laboratory CERTIFICATE OFANALYSIS <br /> Monday, February 10, 2014 <br /> Attention: Mike Toy <br /> Dillon & Murphy Reporl Page 4 of <br /> P.O. BOX 2180 <br /> Lodi, CA 95241 <br /> Conventional Chemistry Parameters by APHA/EPA Methods-Quality Control <br /> _ Precision Enviro-Tech <br /> Reporting Spike Source %PEC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> r <br /> Batch AA42211-General Preparation <br /> Blank(AA42211-BLKI) _ Prepared&Analyzed:22-Jan-14 <br /> Nitrate as NW ND 1.00 mg/L <br /> LCS -0_-042211-BSI __ Prepared&Analyzed:22-Jan-14 — <br /> Nitrate as NO3 20.4 1.00 mp/L 26.6 77 70-110 <br /> Calibration Blank(AA42211-CCBI) Prepared&Analyzed:22-Jan-14 <br /> Nitrate as NO3 0.00 mg/L <br /> Calibration Check(AA42211-CCV I) Prepared&Analyzed:22-Jan-14 _ <br /> Nitrete as NO3 18.8 1.00 mg/l. 26.6 71 70-115 <br /> Matrix Spike(AA42211-MSI) Source:4012212-01 . Prepared&Analyzed:22-Jan-14 <br /> r Nitrate as NO3 24.4 1.00 mg/L 26.6 5.21 72 70-125 <br /> Matrix Spike Dup(AA42211-MSDI) _ Source:4012212-01 Prepared&Analyzed:22-Jan-14 _ <br /> Nitrate as NO3 23.9 1.00 mgIL 26.6 5.21 70 70-125 2 20 <br /> r <br /> r <br /> r <br /> r <br /> v <br /> r <br /> mgt-milligrams per Liter-ppm DLR=Detection Limit for Purpose ofReponing. <br /> ug,L-micrograms per Liter-ppb Exceptional sample matrices or interferences may <br /> result in higher detection limits. <br /> RESPECTFULLY SUBMITTED, <br /> Jonathan Le,Laboratory Director <br /> 3935 N. Coronado Ave Stockton CA. 9.5204 phone: (209) 477-810.1 bux: (209) 477-8148 <br />