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CERTIFICATE OFANALYSIS <br />Analytical Laboratory <br />3935 N. Coronado Ave, Stockton CA. 95204 Phone: (209) 477-8105 <br />Peter Costamagna Project Number: Lauchland Shaw Vineyards 15766 N DeVries Rd <br />17046 N Devries Road Project Name: SWFS-State Wide Farmer Sample Work Order No.: <br />Lodi, CA 95242 <br />Project Manager: Peter Costamagna <br />Conventional Chemistry Parameters by APHA/EPA Methods - Quality Control <br />Reporting Spike Source <br />nalyte Result Limit Units Level Result %REC RPD Notes <br />Blank (AL10602-BLK1) <br />Nitrite as N <br />ND <br />0.400 <br />mg/L <br />Nitrate as N <br />ND <br />0.400 <br />LCS (AL10602-BSI) <br />Nitrite as N <br />2.55 <br />0.400 <br />mg/L <br />2.44 <br />105 <br />Nitrate as N <br />1.85 <br />0.400 <br />1.81 <br />102 <br />LCS Dup (AL10602-BSD1) <br />Nitrite as N <br />2.38 <br />0.400 <br />mg/L <br />2.44 <br />97 <br />7 <br />Nitrate as N <br />1.79 <br />0.400 <br />1.81 <br />99 <br />3 <br />Matrix Spike (AL10602-MSI) <br />Nitrite as N <br />3.17 <br />0.400 <br />mg/L <br />3.81 <br />ND <br />83 <br />to as N <br />16.9 <br />0.400 <br />2.82 <br />14.2 <br />96 <br />Matrix Spike Dup (AL10602-MSDI) <br />Nitrite as N <br />3.05 <br />0.400 <br />mg/L <br />3.81 <br />ND <br />80 <br />4 <br />Nitrate as N <br />16.9 <br />0.400 <br />2.82 <br />14.2 <br />97 <br />0.2 <br />Reference (ALI0602-SRMl) <br />Nitrite as N <br />2.37 <br />0.400 <br />mg/L <br />3.04 <br />78 <br />Nitrate as N <br />7.04 <br />0.400 <br />" <br />9.03 <br />78 <br />0 wpr 0 /3A <br />Approved By <br />Precision Enviro-Tech. o California ELAP Cert. #2387 <br />Page 4 of 7 <br />