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March 1, 2011 Lab ID : STK1131330 <br /> Musco Family Olive Environmental Customer : 3-11544 <br /> Quality Control -Organic <br /> Constituent Method DatellD Type Units Cone. QC Data DQO Note <br /> Organic <br /> OC 5310C 02/252011:202199 Blank mg/L ND <0.3 <br /> BS mg/L 50.00 104'% 75-114 <br /> BSD mg/L 50.00 91,0% 75-114 <br /> BSRPD mPJL 50.00 13.1% _43.0 <br /> 5310C 02/25/2011:202916 CCV ppm 50.00 94.9% 76-119 <br /> 1CCV I ppm 1 50.00 1 94.4% 1 76-119 <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 /> BS :Blank Spikes-A blank is spiked with a known amount of analyte.It is prepared to verify that the preparation process is not <br /> affecting analyte recovery. <br /> BSD :Blank Spike Duplicate of BSIBSD pair-A blank duplicate is spiked with a known amount of analyte.It is prepared to verify that <br /> the preparation process is not affecting analyte recovery. <br /> BSRPD :BS/BSD Relative Percent Difference(RPD)-The BS relative percent difference is an indication of precision for the preparation <br /> and analysis. <br /> NO :Nan-detect-Result was below the DQO listed for the analyte. <br /> DQO Data Quality Objective-This is the criteria a ainst which the quality control data is compared. <br /> .. <br /> i <br /> a <br /> l . <br /> Page 1 l of I 1 <br /> t <br />