Laserfiche WebLink
February 4, 2009 Lab ID : STK0930989 <br /> Neil Anderson & Associates Customer : 3-9574 <br /> Quality Control -Inorganic <br /> Constituent Method Date/1D Type Units Cone. QC Data DQO Note <br /> Wet Chem <br /> Nitrate+Nitrite as N 450ONO3F 01/31/2009:201039 MS mg(L 4.000 93.6% 5-285 <br /> (SP 0900858-003) MSD mg/L 4.000 94.0% 5-285 <br /> MSRPD m9fL 4.000 0.3% <30.4 <br /> 450ONO3F 02/02/2009:201280 CCB mg/1 -0.057 0.1 <br /> CCV mg/1 4.000 94.8% 90-110 <br /> CCB mg/1 -0.050 0.1 <br /> CCV m 4.000 94.2% 90-110 <br /> ` Definition <br /> CCV :Continuing Calibration Verification-Analyzed to verify the instrument calibration is within criteria. <br /> CCB :Continuing Calibration Blank-Analyzed to verify the instrument baseline is within criteria. <br /> MS :Matrix Spikes-A random sample is spiked with a known amount of analyte.The recoveries no 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 /> DQO :Data Quality Objective-This is the criteria against which the quality control data is cum ared. <br /> Page 8 of 8 <br />