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September 20, 2006 Lab ID : STK637735 <br /> Neil Anderson & Associates Customer : 3-9574 <br /> Quality Control - Organic <br /> I <br /> Constituent Method Date/ID Type Units Cone. QC Data DQO Note <br /> DBCP 504.1 09/14/2006:A203 Blank ug/L ND <0.01 <br /> LCS ug/L 0.2941 104% 70-130 <br /> V Bs ug/L 0.2941 101% 70-130 <br /> BSD ug/L 0.2941 101% 70-130 <br /> BSRPD ug/L 0.2% !cM <br /> 504.1 09/14/2006:A 00-CCV ug/L 5.000 100% 70-130 <br /> 01-CCV ug/L 5.000 101% 70-130 <br /> 1,3-Di6romapropme-Surrogate 504.1 09/14/2006:A203 Blank ug/L 0.5882 116% 70-130 <br /> LCS ug/L 0.5882 117% 70-130 <br /> BS ug/L 0.5882 112% 70-130 <br /> BSD ug/L 0.5882 113% 70-130 <br /> ' 504.1 09/14/2006:A 00-CCV ug/L 9.975 116% 70-130 <br /> ` <br /> 0 <br /> 1-CCV ug/L 9.975 112% 70-130 <br /> Definitions <br /> Blank Method Blank - Prepared to verify that the preparation process is not contributing contamination in the samples. <br /> LCS Laboratory Control Standard/Sample - Prepared to verify that the preparation process is not affecting analyte <br /> V 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 /> BS/BSD 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 /> ICB Initial Calibration Blank - Analyzed to verify the instrument baseline is within criteria. <br /> ICV Initial Calibration Verification - Analyzed to verify the instrument calibration is within criteria. <br /> L 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 /> L <br /> L <br /> L <br /> L <br /> L <br /> LSTK637735: Quality Control Page 2 <br /> L <br />