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• January 19,2018 Lab ID : STKI830570 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control - Inorganic <br /> Constituent Method DatdED Type Units Cone. QC Data DQO Note <br /> Wet Chem <br /> urate+Nitrite as 450ONO3F MS mg/L 28.04 363% 5-285 <br /> (CH 1870042-001) MSD mg/L 28.14 36.4% 5-285 <br /> MSRPD mg/L 28.14 03% G30.4 <br /> 450ONO3F 01/11/18:200487AMB CCB mg/L 0.077 0.1 <br /> CCV mg/L 11.27 94.6% 90-110 <br /> CCB mg/L 0.087 0.1 <br /> CCV m /L 11.27 943% 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 a ralyted.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 a ainst which the uality control data is compared. <br /> • <br /> • <br /> Page 7 of 7 <br />