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November 12,2012 Lab ID : STK125O168 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control- Inorganic <br /> Constituent Method Date41) Tvpe Units Cane. QC Data DQO Note <br /> Wet Chem <br /> Nitrate+Nitrite as N 4500NO3F MS mg/L 4.000 86-4% 5-285 <br /> (STKI250154001) MSD mg/L 4.000 88.6% 5-285 <br /> MSRPD mg/L 4.000 IA% 90.4 <br /> 450ONO3F 10/31112:216142ANM CCB mg/L -0.012 QI <br /> CCV mg/L 4.00D %3% 9D-110 <br /> CC13 mg/L OAol 0.1 <br /> CCV m0. 1 4o,0 1 913% 90.110 <br /> Definition <br /> CCV :Continuing Calibration Verification-Analyzedto verify the instmment calibration is within criteria <br /> CCB :Continuing Calibration Blank-Analyzed to verify the instrument baseline is within criteria <br /> AIS Matrix Spikes-A random sample is spiked with a known amount of analyte.The recoveries are an indication of how that-%11111)It <br /> matrix affects analyte recovery. <br /> MSD :Matrix Spike Duplicate of MS/MSD pair-A random sample duplicate is spilled with a known amount of analyzed.The recur erica <br /> are an indication of how that sample matrix affects analyte recovery. <br /> AISRPD :MS/MSD Relative Percent Difference(RPD)-The MS relative percent difference is an indication of precision for the preparation <br /> and analysis. <br /> Dion :Data Quality Objective-This is the criteria against which the 2ualitcontrol data is compared. <br /> Page 7 of 7 <br />