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November 26, 2013 Lab ID : STK1350975 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control - Inorganic <br /> Constituent Method WWII) Type Units Conc. QC Data DQO Hole <br /> M Chem <br /> Nitrate 300.0 11/08/13:213015CRL Blank mg(L ND <0.4 <br /> LCS mg/L 20.00 104% 90-110 <br /> MS mg/L 400.0 104% 93-113 <br /> (STK1350927-002) MSD mg/L 400.0 103% 93-113 <br /> MSRPD mg/L 100.0 0.2% <_4 <br /> MS mg/L. 400.0 101% 93-113 <br /> (VI 1344395-003) MSD mg/L 400.0 103% 93-113 <br /> MSRPD m L 100.0 2.6% 4 <br /> 300.0 11/09/13:216905CHL I CCV ppm 20.00 104% 90-110 <br /> CCv m 20.00 103% 90-I 10 <br /> M 11ni t lam <br /> I t � :Continuing Calibration Verification-Analyzed to verify the instmnicni calibration is within criteria. <br /> 13Lmk :Method Blank-Prepared to verify that the preparation process is not contributing contamination to the samples. <br /> I.c S :Laboratory Control Standard/Sample-Prepared to verify that the preparation process is not affecting analyte recovery. <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 :MSIMSD Relative Percent Difference(RPD)-The MS relative percent difference is an indication of precision for the preparation <br /> and analysis. <br /> ND :Non-detect-Result was below the DQO listed for the analyte. <br /> UQO :Data Quality Objective-This is the criteria a ainst which the -ualay control data is compared. <br /> Page 7 of 7 <br />