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`.. December 30, 2011 Lab ID : STK1151150 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control- Organic <br /> Constituent Method Date/ID Type Units Cone. QC Data DQO Note <br /> Organic <br /> BCP 504 12/27/11:214249ACC Blank ug/j- ND <0.01 <br /> LCS 11911. 02950 .99.3% 70-130 <br /> MS ug/L 0.3018 104% 70-130 <br /> (STKI151062-001) MSD ug/L 0.3032 110% 70-130 <br /> MSRPD a 0.6031 5.8% 530 <br /> 504.1 1227/11:218925ACC 1ug/L 2.006 112% 70-130 <br /> CCV u 5.0151 117% 1 70-130 <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 /> I.CS :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(mown anoint of analyie.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 :MS/MSD Relative Percent Difference(RPD)-The MS relative pervert 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 /> Data 22a1i Objective-This is the criteria against which the uali cautnnl data ri con erred. <br /> Page 0 of 6 <br />