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November 4, 2011 Lab ID : STK1139112 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control - Inorganic <br /> onstituent Method Date/1D Type Units Cane. QC Data <br /> DQO Nate <br /> Wet Chem <br /> Nitrate+Nitrite as N 450ONO3F MS mg/L 4.000 78.3% 5-285 <br /> (SP 1110188-001) MSD mg/L 4.000 78.6% 5-285 <br /> MSRPD m 4.000. 0.4% c30A <br /> 4500NOIF 10/17/11:215304AMB CCB m91L 0.000 0.1 <br /> CCv mg/L 4.000 90.2% 90-110 <br /> CCB at -0.021 0.1 <br /> CCV mg/L 4.000 93.2% 90-110 <br /> Dennition <br /> CCV :Continuing Calibration Venlication-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 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 /> Data Quality Objective-This is the criteria a amst which thL2uality amend data is cora red. <br /> Page 7 of 7 <br />