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May 13,2015 Lab ID : STK1534453 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control-Inorganic <br /> Constituent Method WWI) Type Units Cone. QC Data DQO Note <br /> Wet Chem <br /> Nitrate+Nitrite as N 450ONO3F Ms mg/l, 11.27 87.3% 5-285 <br /> (CC 1581381-001) MSD mg/L 11.27 85.5% 5-285 <br /> MSRPD m L 11.27 1.7% <30.4 <br /> 450ONO3F 05/05/15:206676CJJ CCB in 0.096 0.1 <br /> CCV mg/l, 11.27 92.6% 90-110 <br /> CCB mg/L 0.106 0.1 <br /> CCV m L 11.27 1 93.1% 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 ofhow 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 uali Ojective-This is the criteria amst which the Mali control data is compared. <br /> LDM Page 7 of 7 <br />