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ff February 3,2014 Lab ID : STK1430756 <br /> Lv' Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control-Inorganic <br /> wtitaent Method Datelm Tn- units Cone. QC Data DQO Nobe <br /> Wet Chem <br /> Nitrate 300.0 01/24/14:201017CU Blank mg/L ND <0.4 <br /> LCs mg/L 20.00 98.6% 90-110' <br /> Ms mg/L 400.0 98.6% 93-113 <br /> (VI 1440209-004) MSD mg/L 4000 101% 93-113 <br /> MSRPD mg/L 100.0 1.9% <_4 <br /> MS mgfL 4000 103% 93-113 <br /> (SMM0756-001) MSD mg1L 400.0 103% 93-113 <br /> MSRPD I m 100.0 OS% 54 <br /> 7!J0 <br /> 1/24/14:20133SCHL CCV ppm 20.00 104% 90-110 <br /> CCV m 20.00 106% 90-110 <br /> Definition <br /> CCV :Continuing Calibration Verification-Analyzed to verify the instrument calibration is within criteria. <br /> Blank :Method Blank-Prepared to,verify that the preparation process is not contributing contamination to the samples. <br /> LES :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 aknown 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.Tie 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 /> ND :Non-detect-Result was below the DQ0 listed for the analyte. <br /> D92 Data Quality Ob' 've-This is the criteria nst which the quality control data is com <br /> �./ PhLm 7 of 7 <br />