Quality Control (QC)

Table of Contents

PPT Slide

Quality Control (QC)

Concept of Precision and Bias

Precision(Close Grouping)

Bias(How Far Off of the Bullseye?)

Accuracy: How Close the Measured Value Is to the Target Value

Duplicates2 Simultaneous Measurements

Duplicate Use and Interpretation

Sample Relative Percent Difference(RPD) Calculation

Control Charts Are Used to Track Duplicate Results - See ‘93 Protocols

Field Blank Measurements:Devices Not Exposed But Measured

Laboratory Licensee p 19

Background Checks

Spiked Samples: Exposure of Device to Known Radon Environment

Calibration Measurements

QC for a Illinois Licensed Measurement Professional Deploying Charcoal Devices

Routine InstrumentPerformance Checks

Required Elements of a QA Plan for Illinois Licensed Radon Professionals

Required Elements of a QA Plan for Illinois Licensed Radon Professionals

Home Page: http://www.uic.edu/sph/glakes/radon_course/final/resources.asp