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../ <br /> December 02, 2002 Lab ID STK-135904 <br /> Dillon & Murphy Eng. Customer : :-10028 <br /> Quality Control - Organic <br /> Constituent Method Date;ID Type � Units Conc. QC Data DQO Note �I <br /> DBCP I 504.1 11;'_0/'_'002:.x203 BlarLK ugiL ND <0.01 <br /> LCS ugiL 0.2941 103 7c -0-:30 <br /> BS u¢/L 0.2941 1027 70-130 <br /> BSD ugiL 0.2941 1077c j -0-:30 <br /> BSR+°D ugiL 4.617c <_30 <br /> I <br /> 504.1 I 11/20/2002:3 00-CCV ug/L I 5.000 88.4 0 70-130 <br /> 0I-CC'i ug/L 5.000 90.81 _0-:30 <br /> 1.3-Dibromopropane-Surrogate 504.1 11;20/2002:A203 Blank ugiL 0.5882 111 a -0-130 <br /> LCS ug/1L 0.5882 lU6 -0-130 <br /> BS ug/L 0.5882 102% i 70-i30 <br /> BSD ugiL 0.5882 106% j 70-130 <br /> 504.1 11/20i2002:13 00-CCV ugiL 10.00 94.0% j 70-:30 <br /> 101-CCV I ugiL 10.00 95.5% -0-i30 <br /> Definitions <br /> Blank Method Blank - Prepared to verify that the preparation process is not contributing contamination to he samples. <br /> LCS Laboratory Control Standard/Sampie - Prepared to vernn that the preparation process is not arfecins_ analyte <br /> recovery. <br /> MS/MSD Matrix Spikes - A random sample is spiked with a mown 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 veru: that the preparation <br /> process is not affecting 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 analyre. <br /> DQO Data Quality Objective - This is the criteria against which the quality control dam is compared. <br /> STK235904: Quality Control Page 2 <br />