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SCIenCe BL 8901[North Industrial Road ,Peoria,IL 61615-1589 <br /> Engineering,Inc. Phone(309)692-4422 tab Fax(309)692-5232 An IEPA Contract Laboratory <br /> Environmental Science and Engineering, Inc. <br /> Table of Definitions for QC Reports <br /> Columnar Terms <br /> Item Title Definition <br /> -------------------------------------------------------------------------------------------------------------------------------- <br /> FOUND Sample Concentration SPIKE SAMPLE CONC - LESS THE UNSPIKED SAMPLE CONC. <br /> FOUND #1 *Concentration of UNSPIKED Sample <br /> FOUND #2 Concentration 'of Replicate Sample <br /> %RECV Percent Recovery: 100*(FOUND/TARGET) displayed in appropriate significant <br /> figures. <br /> f ) CRIT Recovery Criteria Criteria for Percent Recovery set in the parameter record. <br /> UNSPIKED Unspiked Sample Concentration Concentration of .the DA or UN sample. <br /> M*BLK Concentration of Method 'Blank <br /> R.P.D. Relative. Percent Difference (Matrix Spikes) 100*(ABS. (%RECV SPMn - %RECV SPMn-1)/(%RECV SPMn + <br /> %RECV SPMn-1)/2). <br /> R.P.D. Replicate Percent Difference (Control Spikes) 100*(ABS (%RECV SPn - %RECV SP1)/(%RECV SPn + %RECV SP1)/2). <br /> R.P.D. Replicate Percent Difference (Replicate Samples) 100*(ABS (Conc'Rep #2 - Conc .Rep #1)/(Conc Rep #2 + <br /> Conc Rep #1)/2). <br /> MAX % REPL DIFF Maximum value of Replicate Difference <br /> C.D.L. Calibration Curve Detection Limit <br /> NA Not Analyzed <br /> N/A Not Available <br /> UNSPIKED - 0 If the parameter is reported-as a "LESS THAN", the data is <br /> converted to 0 for calculation purposes. <br /> iIN.REC Minimum Recovery Limit Average Recovery— Recovery Limit. <br /> i" PEC Maximum Recovery Limit Average Recovery +..Recovery Limit. <br />)A Refers to sample. <br /> JN Refers to second analysis of •sample for QC purposes. <br />'P Spike of-reagent (blank) water or soil . <br />.PMI,SPM2 Duplicate Matrix Spikes of a sample. <br /> 1B Matrix Spike of a sample. <br />� Refers .to Method• Blank. <br />