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• February 8, 2017 Lab ID : STK1731248 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control - Inorganic <br /> Constituent Method DaMD Type Units Cone. QC Data DQO Note <br /> Wet Chem <br /> Nitrate+Nitrite as 450ONO3F MS mg/L 11.22 101 % 5-285 <br /> (VI 1740364-001) MSD mg/L 11.22 103% 5-285 <br /> MSRPD m L 11.22 0.9% 530.4 <br /> 4500NOW 02/01117:201600JDD CCB mg/L 0.067 0.1 <br /> CCV mg/L 11.22 102% 90-110 <br /> CCBmg/L 0.071 0.1 <br /> CCV m L 11.22 103% 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 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 /> D O :Data !alit Objective-This is the criteria a gainst which the quality control data is companed. <br /> • <br /> • <br /> Page 7 of 7 <br />