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DPRmgon tHRO-W <br /> Analytical Laboratory CERTIFICATE OFANALYSIS <br /> ' 3935 N.Coronado Ave,Stockton CA.95204 Phone:(209)477-8105 Thursday,August 30,2018 <br /> Report Page 2 of 3 <br /> Attention: Mike Toy <br /> ' Dillon&Murphy <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 %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch AH82221-IC preparation <br /> Blank(AH82221-BLKI) Prepared&Analyzed.22-Aug-18 <br /> Nitrate as N ND 0.40 mg/L <br /> ' LCS(AH82221-BSI) Prepared&Analyzed:22-Aug-18 <br /> Nitrate as N 2.3 0.40 mg/I, 2.26 100 85-115 <br /> LCS Dup(AH82221-BSDI) Prepared&Analyzed:22-Aug-18 <br /> ' Nitrate as N 2.3 0.40 mg/L 2.26 100 85-115 0.06 20 <br /> Matrix Spike(AH82221-MSI) Source:8082233-01 Prepared&Analyzed:22-Aug-18 <br /> Nitrate as N 3.7 0.40 mg/L 2.82 0.90 98 70-125 <br /> ' Matrix Spike Dup(AH82221-MSD1) Source:8082233-01 Prepared&Analyzed:22-Aug-18 <br /> Nitrate as N 3.7 0.40 mgfL 2.82 0.90 98 70-125 0.1 20 <br /> Reference(AH82221-SRMII Prepared&Analyzed:22-Aug-18 <br /> ' Nitrate as N 4.6 0.40 mg/L 4.64 100 85-110 <br /> mg L=ntifligranrs per Liter=ppm DLR=Detection Lininfor Purpose of Reporting. G-Grab Sample <br /> rig L=micrograms per Liter=ppb Exceptional sample matrices or interferences pray C-Composite Sample <br /> result in higher detection fimirs. <br /> Comp-Grab-Composite of l Grab Sample during?Jhrs Grab period and <br /> composite into I sample prior analysis <br /> ' RESPECTFULLY SUBMITTED, MCL-Vaximum contaminant level(MCL)is the highest <br /> concentration of chemicals permitted in drinking water systems <br /> Jonathan H.V. Le <br /> Laboratory Director <br /> FLAP No. 2387 email:jhvle�petallab.com Web:petallab.com Fax: (209)546-7497 <br />