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r s <br /> L <br /> July 23, 2003 Lab ID : STK334034 <br /> Dillon & Murphy Eng. Customer : 3-10028 <br /> Quality Control - Organic <br /> j[ <br /> it Constituent Method Date/ID Type Units Conc. QC Data DQO Note <br /> DBCP:; 504.1 07112/2003:A203 Blank ug/L ND G0.01 <br /> LCS ug/L 0.2941 88.4% 70-130 <br /> BS ug/L 0.2941 93.0% 70-130 <br /> BSD ug/L 0.2941 87.2% 70-I30 <br /> BSRPD ug/L 6.4% 530 <br /> 504.1 07/12/2003:A 01-CCV ug/L 5.000 92.2% 70-130 <br /> 02-CCV ug/L 5.000 92.6% 70-130 <br /> 1,3-Dibromopropane-Surrogate 504.1 07/12/2003:A203 Blank ug/L 0.5882 95.7% 70-130 <br /> LCS ug/L 0.5882 93.8% 70-130 <br /> BS ug/L 0.5882 95.5% 70-130 <br /> 'I BSD ug/L 0.5882 91.2% 70-130 <br /> I; 504.1 07/1212003:A 0I-CCV ug/L 10.00 93.4% 70-130 <br /> 02-CCV ug/L 10.00 93.6% 70-130 <br /> EDB 504.1 07/12/2003:A203 Blank ug/L ND C0.02 <br /> LCS ug/L 0.2941 98.0% 70-130 <br /> I' BS ug/L 0.2941 104% 70-130 <br /> I� BSD ug/L 0.2941 97.8% 70-130 <br /> I BSRPD ug/L 6.5% 530 <br /> I; <br /> H 504.1 07/12/2003:A 01-CCV ug/L 5.000 101% 70-130 <br /> 02-CCV ug/L 1 5.000 1101% 170-130 <br /> Definitions <br /> Blank Method Blank - Prepared to verify that the preparation process is not contributing contamination to the samples. <br /> LCS I Laboratory Control Standard/Sample - Prepared to verify that the preparation process is not affecting analyte <br /> jj 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 /> BSIBSD Blank Spikes - A blank is spiked with a known amount of analyte. It is prepared to verify that the preparation <br /> II process is not affecting analyte recovery. <br /> ICB 1I Initial Calibration Blank - Analyzed to verify the instrument baseline is within criteria. h <br /> ICV i Initial Calibration Verification Analyzed to verify the instrument calibration is within criteria. <br /> CCS 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 ii 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 /> I <br /> i <br /> jl <br /> a <br /> STK334034: Quality Control Page 2 <br /> �) I <br />