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pLTCLqoon TW20-W <br />Analytical Laboratory <br />3935 N. Coronado Ave, Stockton CA. 95204 Phone: (209) 477-8105 <br />CERTIFICATE OFANALYSIS <br />Dillon & Murphy Project Number: Lagomarsino <br />P.O. BOX 2180 Project Name: Lagomarsino Work Order No.: <br />Lodi, CA 95241 <br />Project Manager: Mike Toy <br />Conventional Chemistry Parameters byAPHA/EPAMethods - Quality Control <br />Reporting Spike Source <br />Analyte Result Limit Units Level Result 9oRFC RPU Notes <br />Blank (AF01708-BLKI) <br />Nitrate as N <br />ND <br />0.400 <br />mg/L <br />LCS (AF01708-BSI) <br />Nitrate as N <br />2.28 <br />0.400 <br />mg/L <br />2.26 <br />101 <br />LCS Dup (AF01708-BSDI) <br />Nitrate as N <br />2.30 <br />0.400 <br />mg/L <br />2.26 <br />102 0.7 <br />Matrix Spike (AF01708-MSI) <br />Nitrate as N <br />33.8 <br />0.400 <br />mg/L <br />2.26 30.4 <br />149 QM -4X <br />Matrix Spike Dup (AF01708-MSDI) <br />Nitrate as N <br />33.4 <br />0,400 <br />mg/L <br />2.26 30.4 <br />132 1 QM -4X <br />Reference (AF01708-SRMI) <br />Nitrate as N <br />0.946 <br />0.400 <br />mg/L <br />0.904 <br />105 <br />Approved By <br />Precision Enviro-Tech. o California D.O.H.S. Cert. #2387 <br />Page 5of7 <br />