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November 12, 2013 Lab ID : STK1350730 <br /> Faria Dairy Inc Customer : 3-17328 <br /> Quality Control - Inorganic <br /> Constituent Method Date/ID Type Units Cone. QC Data DQO Note <br /> Wet Chem <br /> Nitrate 300.0 10/31/13:212564CHL Blank mg/L ND <0.4 <br /> LCS mg/L 20.00 102% 90-110 <br /> MS mg/L 400.0 105% 93-113 <br /> (VI 1344297-001) MSD mg/L 400.0 106% 93-113 <br /> MSRPD mg/L 100.0 1.1% <4 <br /> MS mg/L 400.0 102% 93-113 <br /> (VI 1344297-002) MSD mg/L 400.0 107% 93-113 <br /> MSRPD m 100.0 4.5% <4 435 <br /> 300.0 11/01/13:216198CHL CCV ppm 20.00 104% 90-110 <br /> CCV nnm 20.00 90.8% 90-110 <br /> Definition <br /> CCV :Continuing Calibration Verification-Analyzed to verify the instrument calibration is within criteria. <br /> Blank :Method Blank-Prepared to verify that the preparation process is not contributing contamination to the samples. <br /> LCS :Laboratory Control Standard/Sample-Prepared to verify that the preparation process is not affecting analyte recovery. <br /> MS Matrix Spikes-A random sample is spiked with a known amount of analyte.The recoveries are an indication of how that sample <br /> matrix affects analyte recovery. <br /> MSD :Matrix Spike Duplicate of MS/MSD pair-A random sample duplicate is spiked with a known amount of analyted.The recoveries <br /> are an indication of how that sample matrix affects analyte recovery. <br /> MSRPD :MS/MSD Relative Percent Difference(RPD)-The MS relative percent difference is an indication of precision for the preparation <br /> and analysis. <br /> ND :Non-detect-Result was below the DQO listed for the analyte. <br /> DQO :Data Quality Objective-This is the criteria against which the quality control data is compared. <br /> Explanation <br /> 435 :Sample matrix may be affecting this analyte.Data was accepted based on the LCS or CCV recovery. <br /> Page 9 of 9 <br />