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Vol <br /> November 18, 2008 Lab ID : STKO851099 <br /> Neil Anderson & Associates Customer : 3-9574 <br /> Quality Control -Inorganic <br /> Constituent Method ontow gMta <br /> Type Units Conc. QO Note <br /> et Chem <br /> 'erste+Nitrite as N 450ONO3F 11105/2008:211308 MS mg/L 4.000 -285 <br /> (STK0851096-o02) MSD mg/L. 4.000 .285 <br /> MSRPD m 4.00030A <br /> d500NO3F 11/062008213595 CCB mg/i 01 <br /> CCV mg/t 4.000 .110 <br /> CCB mg/1 0.1 <br /> CCV L 4.000 -110 <br /> Definition <br /> CCV :Continuing Calibntion Verification-Analyzed to verify the inetmment calibration is within criteria. <br /> CCB :Continuing Calibration Blank•Analyzed to verify the instrument Iselin is within criteria. <br /> MS :Matrix Spikes-A random sample is spiked with a known amount of analyte.the recoveries ate an indication of how that sample <br /> matrix affects analyle recovery. <br /> MSD :Matrix Spike Duplicate of MS/MSD pair-A random sample duplicate is spiked with a knoam amotmt of analyrcd.77te tuoverim <br /> arean indication of bow that sample matrix affects analyte recovery. <br /> MSRPD -MS/MSD Relative Percent Difference(RPD)-The MS relative percent differenee is an indication of precision for the preparation <br /> and analyAla. <br /> D O :Data ualit Objective-Thia is the critcrja ainst which the gMalitL2ZgZgLqata IS COIII <br />