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October 4, 2018 Lab ID : STK1853988 <br /> Musco Family Olive Environmental Customer : 3-11544 <br /> Quality Control - Organic <br /> Constituent Method Date/11) f�N Pe Units Conc. QC Data DQO Note <br /> Organic <br /> -0c 5310C 10/01/18:211687A AM Blank mg/L ND <0.3 <br /> BS mg/L 15.00 105% 75-125 <br /> BSD mg/L 15.00 106% 75-125 <br /> BSRPD m 15.00 0.9% <23.0 <br /> 5310C 10/01/18:214442AN M CCV ppm 15.00 107% 67-122 <br /> CCV ppm 15.00 105% 67-122 <br /> CCV ppm 15.00 104% 67-122 <br /> CCV ppm, 15.00 105% 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 />