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July 24, 2001 Lab ID : STK133350 <br /> Dillon & Murphy Customer : 3-14145 <br /> Quality Control - Organic <br /> f ' <br /> Constituent Method Date/ID Type Units Cone. QC Data DQO Note <br /> § DBCP 504.1 07118/2001:A203 Blank ug/L ND <0.01 f <br /> LCS ug/L 0.2941 90.0% 70-130 <br /> BS ug/L 0.2941 102% 70-130 0 <br /> BSD ug/L 0.2941 97.4% 70-130 <br /> 4 SS"D ug/L 4.6% 530 i <br /> t 504.1 07118/2001:A 0I-CCV ug/L 10.00 101% 70-130 <br /> t <br /> 102-CCV ug/L 5.000 98.2% 70-130 F <br /> I.3-Dibromopropane-Surrogate 504.1 07/18/2001:A203 Blank ug/L 0.5847 104% 70-130 f <br /> LCS ug/L 0.5847 97.1% 70-130 <br /> BS ug/L 0.5847 113% 70-130 <br /> BSD ug/L 0.5847 109% 70-130 <br /> 504.1 0711812001:A 01-CCV uWL 14.91 107% 70-130 <br /> 02-CCV ug/L 9.940 1 111% 70-130 <br /> I <br /> Definitions <br /> Blank Method Blank - Prepared to verity 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 /> i` recovery. <br /> ,b1S/MSD Matrix Spikes - A random sample is spiked with a known amount of analyte. The recoveries are an indication o <br /> f how that sample marnx affecrs analyte recovery. <br /> BS/BSD 7 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 /> CCV : Continuing 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 /> 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 dara is compared. <br /> A <br /> i <br /> i <br /> I <br /> ,i <br /> t1 <br /> 1 <br /> f <br /> STK133350: Quality Control Page 2 <br />