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October 10, 2011 Lab ID : STK 1138027 <br /> Musco Family Olive Environmental Customer : 3-11544 <br /> Quality Control- Organic <br /> Constituent Method Date/ID Type Units Cone. QC Data DQO Note <br /> Organic <br /> Itn� 5310C 09/20/11:210050AMM Blank mg4 ND <0.3 <br /> BS mg/L 25.00 93.8% 75-114 <br /> BSD mg/L 25.00 91.9% 75-114 <br /> BSRPD m 25.00 2.1% 23.0 <br /> 5310C 09/21/11:213861 AMM CCV ppm 25.00 87.0% 67-122 <br /> CCV PPM 25.00 96.6% 67-122 <br /> 5310C 09/23/11:210339AMM Blank mg/L ND <0.3 <br /> BS mg/L 25.00 90.1% 75-114 <br /> BSD ms/L ?5,00 91.7% 75-114 <br /> BSRPD m L '_5.00 1.7°/ 23.0 <br /> 5310C 09123/11214029AMM CCV ppm 5.00 89.0% 67-122 <br /> CCV PPM 25.00 97.8% 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 Quali 06ective-This is the critcrla against which the quality canto]data is compared. <br /> Page I 1 of 11 <br />