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September 20, 2007 Lab ID : STK738156 <br /> Neil Anderson & Associates Customer : 3-9574 <br /> � Quality Control - Organic <br /> Constituent Method Date/ID TBS <br /> Units Conc. QC Data DQO Note <br /> DBC, 504.1 09/08/2007:A203 ug/L ND <0.01 <br /> ug1L 0.2949 99.3% 70-130 <br /> r ug/L 0.2949 107% 70-130 <br /> BSD ug/L 0.2949 106% 70-130 <br /> f BSRPD ug/L 1.1% 530 <br /> L 504.1 09/08/2007:A 00-CCV ug/L 5.000 100% 70-130 <br /> 1,3-Dibromopropane-Surrogate 504.1 09/08/2007:A203 Blank uglL 0.5868 113% 70-130 <br /> LCS ug1L 0.5868 107% 70-130 <br /> BS ug/L 0.5868 111% 70-130 <br /> BSD ug/L 0.5868 111% 70-130 <br /> 504.1 09/08/2007:A 00-CCV ug/L 9.975 109% 70-130 <br /> EDB 504.1 09/08/2007:A203 Blank ug/L ND :70-130 <br /> 2 <br /> I LCS ug/L 0.2949 111% 0 <br /> BS ug/L 0.2949 115% 0 <br /> BSD ug/L 0.2949 114% 0 <br /> Fj <br /> BSRPD ug/L 0.7%504.1 09/08/2007:A 00-CCV uglL 5.004 113% <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 /> J BSIBSD 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 /> ICE Initial Calibration Blank - Analyzed to verify the instrument baseline is within criteria. <br /> r— ICV 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 listed for the analyte. <br /> DQO Data Quality Objective - This is the criteria against which the quality control data is compared. <br /> 1 <br /> I <br /> Fk <br /> fJ <br /> F1STK738156: Quality Control Page 2 <br /> { <br /> M <br />