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V. " 'Noe <br /> June 26, 2006 Lab ID STK634757 <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 06/15/2006:A203 Blank ug/L ND <0.01 <br /> LCS ug/L 0.2949 112% 70-130 <br /> MS ug/L 0.2949 116% 70-130 <br /> .� (SP 605703-01) MSD ug/L 0.2949 107% 70-130 <br /> MSRPD ug/L 8.1% :530 <br /> 504.1 06/22/2006:B 00-CCV ug/L 5.000 118% 70-130 <br /> 01-CCV ug/L 5.000 115% 70-130 <br /> 1.3-Dibromopropane-Surrogate 504.1 06/15/2006:A203 Blank ug/L 0.5868 112% 70-130 <br /> LCS ug/L 0.5868 109% 70-130 <br /> MS ug/L 0.5868 97.8% 70-130 <br /> .� (SP 605703-01) MSD ug/L 0.5868 89.0% 70-130 <br /> 504.1 06/22/2006:8 00-CCV ug/L 9.975 143% 70-130 565 <br /> 01-CCV ug/L 9.975 141% 70-130 565 <br /> Explanations <br /> 565 Surrogate percent recoveries not within the Acceptance Range (AR). Please see Case Narrative for <br /> explanation. <br /> r. 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 o <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 /> L <br /> L <br /> L <br /> i STK634757: Quality Control Page 2 <br />