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' A <br /> May 20; 2010 Lab ID : STK1034006 <br /> Live Oak Geo Environmental Customer 3-16605 <br /> Quality Control-Inorganic <br /> 1 Method DateM 'lope Units Cone QC Data DQO Nobe <br /> [nshtuenthem+Nitrite as N 450ONO3F MS mglL 4.000 93.2% 5-285 <br /> (SP 1004431-001) • MSD mg/L 4.000 93.6% 5-285 <br /> MSRPD m 4.0000.39 <30.4 <br /> 450ONO3F 05112!2010:205497 CCB mgll, 0.0000.1 <br /> CCV4.000 98.4% 90-110 <br /> �, 0.000 61 <br /> CCV m 4.000 97.0% 90-110 <br /> ' :Continuing Calibration Vetification-Analyzed to verify the msUument calibration is within criteria. <br /> :Continuing Calibration Blank-Analyzed to verify the instrument baseline is within criteria. <br /> :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 kriowd amount of aualyted.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 all Obiective-This is the criteria a ainst which the control data is cam aced. <br /> I <br /> 3 <br /> 1 <br /> Page 7 of 7 <br /> 0 <br /> o <br />