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February 01, 2007 Lab ID : STK730813 <br /> Neil Anderson & Associates Customer : 3-9574 <br /> Quality Control - Organic <br /> Constituent Method Date/ID Type Units Cone. QC Data DQO Note <br /> DBCP 504.1 01/31/2007:A203 Blank ug/L ND <0.01 <br /> LCS ug/L 0.2949 114%6 70-130 <br /> BS ug/L 0.2949 121% 70-130 <br /> BSD ug/L 0.2949 125% 70-130 <br /> BSRPD ug/L 2.6% 530 <br /> 504.1 01/31/2007:A 01-CCV ug/L 5.000 120% 70-130 <br /> 02-CCV ug/L 10.00 119% 70-130 <br /> 1,3-Dibromopropme-Surrogate 504.1 01/31/2007:A203 Blank ug/L 0.5868 96.4% 70-130 <br /> LCS ug/L 0.5868 92.5% 70-130 <br /> 6. BS ug/L 0.5868 99.5% 70-130 <br /> BSD ug/L 0.5868 100% 70.130 <br /> 504.1 01/31/2007:A 01-CCV ug/L 9.975 97.1% 70-130 <br /> b. 02-CCV ug/L 9.975 98.7% 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 /> y 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 /> 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 /> V <br /> V <br /> 6. <br /> V <br /> V <br /> Y. <br /> ` STK730813: Quality Control Page 2 <br /> L <br />