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`. December 15, 2010 Lab ID : STK1050695 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control -Inorganic <br /> Constituent 114edw Date(U) Type units Cone QC Data DQO I Note <br /> Wet Chem <br /> ivate+Nitrite as N 450ONO3F Ms mg/L 4.000 92.2% 5-285 <br /> (SP 1012208-001) MSD mg/L 4.000 97.6% 5-285 <br /> MSRPD m 4.000 5.7% X0.4 <br /> 45WN03F 12lOS/2010:215774 CCB mg/L -0.037 0.1 <br /> CCV mg(L 4.000 102% 90-110 <br /> CCB mg/L -0.039 0.1 <br /> CCV m 4.000 102% 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 /> manic 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 /> O :Data Quality Objective-This is the criteria against which the quality control data is compared <br /> s <br /> Page 7 of 7 <br />