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December 12, 2018 Lab ID : STK1856681 <br /> Musco Family Olive Environmental Customer : 3-11544 <br /> Quality Control - Organic <br /> Constituent Method Date/1D Type Units CooC. QC Data DQO Note <br /> Organic <br /> IOC 5310C 12/03/18:214165AMM Blank mg/L ND <0.3 <br /> BS mg/L 15.00 97.6% 75-125 <br /> BSD mg/L 15.00 98.0% 75-125 <br /> BSRPD m 15.00 0.3% <_23.0 <br /> 5310C 12/03/18:217598AMM CCV ppm 15.00 97.4% 67-122 <br /> CCV ppm 1 15.00 1 99.7% 1 67-122 <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 BS/BSD 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 /> ND :Non-detect-Result was below the DQO listed for the analyte. <br /> DQO :Data Quality Objective-This is the criteria against which the quality control data is compared. <br /> Page 11 of 11 <br />