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June 18,2015 Lab ID : STK 1536132 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control- Inorganic <br /> Constituent Method Date/M Type Units Conc. QC Data DQO Note <br /> Wet Chem <br /> Nitrate+Nitrite as N w+00NO3F MS mg/L 1127 86.0% 5-285 <br /> (CC 1581965-001) MSD mg1L 1127 87-9% 5-285 <br /> MSRPD ME& 1127 1.8% 130.4 <br /> 4500NO3F 06/09/15:208531CJI CCB mg/L -0.006 0.1 <br /> CCV mg/L 11.27 97A% 90-110 <br /> CCB mg/L 0.000 0.1 <br /> CCV mo/L 11.27 97.5% 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 nalyted.Ts <br /> 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 22alit Objective-This is the criteria a ainst which the qualitj control data is corn aced. <br /> Page 7 of 7 <br />