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A <br /> �I <br /> May`12, 2011 Lab ID : STK1133395 <br /> Musco Family Olive Environmental Customer : 3-11544 <br /> Quality Control-Inorganic <br /> 14 Definition <br /> CCV :Continuing Calibration Verification-Analyzed to verify the instrument calibration is within criteria. <br /> ` CCB :Continuing Calibration Blank-Analyzed to verify the instrument baseline is within criteria. <br /> Blank :Method Blank-Prepared to verify that the preparation process is not contributing contamination to the samples. <br /> RgBlk :Method Reagent Blank-Prepared to correct for any reagent contributions to sample result. <br /> LCS :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 MSIMSD 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 /> Dup :Duplicate Sample-A random sample with each batch is prepared and analyzed in duplicate.The relative percent difference is an <br /> indication ofprecision for the preparation and analysis. <br /> MSRPD :MSIM SD 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 /> DQo :Data Qualit Objective-This is the criteria against which the quality control data is compared. <br /> Explanation <br /> 435 :Sample matrix may be affecting this analyte.Data was accepted based on the LCS or CCV recovery. <br /> ! 440 :Sample nonhomo eneit may be affectin this anal tc.Data was accepted based on the LCS or CCV recovery. <br /> t ` <br /> l <br /> l <br /> 1 <br /> 1. <br /> �I Page 10 of i l <br />