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i <br /> �k <br /> k February 17, 2006 Lab ID STK631286 <br /> Neil Anderson & Associates Customer : 3-9574 <br /> Quality Control - Organic <br /> I1 <br /> Constituent Method Date/ID Type Units Conc. QC Data DQO Note <br /> DBCP 504.1 02/1512006:A203 Blank ug/L ND <0.01 <br /> LCS ug/L 0.2949 111% 70-130 <br /> MS ug/L 0.2949 112% 70-130 <br /> (SP 601438-01) MSD ug/L 0.2949 108% 70-130 <br /> MSRPD ug/L 3.3% X 30 <br /> 504.1 02/15/2006:A 00-CCV ug/L 5.000 109% 70-130 <br /> Ol-CCV ug/L 5.000 115% 70-130 <br /> f^ 1,3-Dibromopropanr-Surrogate 504.1 02115/2006:A203 Blank ug/L 0.5868 109% 70-130 <br /> LCS ug/L 0.5868 112% 70-130 <br /> MS ug/L 0.5868 116% 70-130 <br /> (SP 601438-01) MSD ug/L 0.5868 115% 70-130 <br /> jp 504.1 02/15/2006:A 00-CCV uglL 9.975 110% 70-130 <br /> i 01-CCV ug/L 9.975 116% 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 /> recovery. <br /> MS/MSD Matrix Spikes - A random sample is spiked with a known amount of analyte. The recoveries are an indication of <br /> how that sample matrix affects analyte recovery. <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 /> J <br /> 4 <br /> I <br /> f — <br /> { <br /> i <br /> a <br /> STK631286: Quality Control Page 2 <br /> II, <br />