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L <br /> L <br /> January 08, 2007 Lab ID : STK650838 <br /> LNeil Anderson & Associates Customer : 3-9574 <br /> Quality Control - Organic <br /> L Constituent Method Date/ID Type Units Conc. QC Data DQO Note <br /> DBCP 504.1 12/252006:A203 Blank ug/L ND <0.01 <br /> LCS ug/L 0.2949 103% 70-130 <br /> BS ug/L 0.2949 102'% 70-130 <br /> BSD ug/L 0.2949 108'% 70-130 <br /> BSRPD ug/L 5.7% 530 <br /> 504.1 12/252006:A 00-CCV ug/L 5.000 98.2% 70-130 <br /> 0I-CCV ug/L 5.000 102% 70-130 <br /> 1,3-Dibromopropane-Surrogate 504.1 12/252006:A203 Blank ug/L 0.5868 91.7% 70-130 <br /> ` LCS ug/L 0.5868 90.3% 70-130 <br /> BS ug/L 0.5868 89.2% 70-130 <br /> BSD ug/L 0.5868 91.9% 70-130 <br /> 504.1 12/25/2006:A 00-CCV ug/L 9.975 85.9% 70-130 <br /> ft. 01-CCV ug/L 9.975 87.1% 70-130 <br /> Definitions <br /> Blank Method Blank - Prepared to verify that the preparation process is not contributing contamination to the samples. <br /> LLCS 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 /> L 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 /> 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 /> <�i High Sample Background - Spike concentration was less than one forth of the sample concentration. <br /> LDQO 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 /> LSTK650838: Quality Control Page 2 <br /> L <br />