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March 02, 2007 Lab ID STK731330 <br /> Neil Anderson & Associates Customer : 3-9574 <br /> Quality Control - Organic <br /> { <br /> it Constituent Method Date/ID Type Units Conc. QC Data DQO Note <br /> DBCP 504.1 02l15/2007:A203 Blank ug/L ND c0.01 <br /> LCS ug/L 0.2949 100% 70-130 <br /> 1 BS ug/L 0.2949 103% 70-130 <br /> BSD ug/L 4.2949 104% 70-130 <br /> BSRPD ug/L 1.2% X30 <br /> j E} <br /> I 504.1 02l16/2007:A 01-CCV ug/L 5.000 101% 70-130 <br /> 02-CCV ug/L 10.00 107% 70-130 <br />{ 1,3-Dibromopropane-Surrogate 504.1 02/15/2007:A203 Blank ug/L 0.5868 90.6% 70-130 <br /> LCS ug/L 0.5868 87.3' 70-130 <br /> BS ug/L 0.5868 89.2% 70-130 <br /> BSD ug/L 0.5868 91.6% 70-130 <br /> 504.1 02116/2007:A 01-CCV ug/L 9.975 89.8% 70-130 <br /> t <br /> 102-CCV ug/L 9.975 95.1% 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 o <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 /> JCB Initial Calibration Blank - Analyzed to verify the instrument baseline is within criteria. <br /> lCV Initial Calibration Verification Analyzed to verify the instrument calibration is within criteria. <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 fisted for the analyte. <br /> DQO : Data Quality Objective - This is the criteria against which the quality control data is compared. <br /> F,, <br /> t <br /> f . <br /> r <br /> F, STK731330: Quality Control Page 2 <br />