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r <br /> January 28, 2003 Lab ID : STK330174 <br /> Peter Lindberg Customer : 3-14056 <br /> Quality Control - Organic <br /> Constituent Method Date/ID Type Units Conc. QC Data DQO Note <br /> DBCP 504.1 01/18/2003:A203 Blank ug/L ND <0.01 <br /> LCS ug/L 0.2941 99.6% 70-130 <br /> BS ug/L 0.2941 95.4% 70-130 <br /> BSD ug/L 0.2941 102% 70-130 <br /> BSRPD ug/L 6.7% :530 <br /> 504.1 01/18/2003:B 00-CCV ug/L 5.000 97.8% 70-130 <br /> 01-CCV ug/L 5.000 109% 70-130 <br /> 1,3-Dibromopropane-Surrogate 504.1 01/18/2003:A203 Blank ug/L 0.5882 107% 70-130 <br /> LCS ug/L 0.5882 104% 70-130 <br /> BS ug/L 0.5882 99.0% 70-130 <br /> BSD ug/L 0.5882 104% 70-130 <br /> 504.1 01/18/2003:B 00-CCV ug/L 10.00 103% 70-130 <br /> 01-CCV ug/L 10.00 111% 70-130 <br /> Definitions <br /> Blank Method Blank - Prepared to verify that the preparation process is not contributing contamination to the samples. <br /> LCS Laboratory Control Standard/Sample - Prepared to verify that the preparation process is not affecting analyte <br /> recovery. <br /> MS/MSD Matrix Spikes - A random sample is spiked with a known amount of analyte. The recoveries are an indication of <br /> how that sample matrix affects analyte recovery. <br /> BSBSD Blank Spikes - A blank is spiked with a known amount of analyte. It is prepared to verify that the preparation <br /> process is not affecting analyte recovery. <br /> CCB Continuing Calibration Blank - Analyzed to verify the instrument baseline is within criteria. <br /> CCV Continuing Calibration Verification - Analyzed to verify the instrument calibration is within criteria. <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 /> STK330174: Quality Control Pagc 21 <br />