1 Quality Control

2 Why do we run QC material and plots results???

3 Confidence on part of Technologist Report or Rerun

4 Why do we run QC material and plots results??? Monitor to Detect Problems Charts help detect problems maybe not apparent without them Trends Shifts Precision Problems

5 Why do we run QC material and plots results??? Compare Lab to Lab Same methods and materials you would expect similar Means and SD as other labs

6 Why do we run QC material and plots results??? Compare your lab to Itself Batch to Batch Day to Day Week to week Monthly Yearly

7 Why do we run QC material and plots results??? Decision Making Document Action Reported or Not reported Steps taken to correct problems Document Action

8 Why do we run QC material and plots results??? Technologist Confidence Detect Problems Comparisons Self and others Decision making Document Action when needed

9 Characteristics of Quality Control Program Material Itself Who else uses material Company selling program What do I get with my money?

10 QC Material Matrix Stability Storage Handling Considerations What is in the Material? Single Pool Values

11 Who Else Uses Material Comparison How many other Labs using this material have methods and instrumentation similar to your lab?

12 Company Technical Support Shipping Salesperson Back up

13 What do I Get with my Money? What is included? Software Hardware QC Charts Lab name, Method, Units, Date, Control ID, Lot #,Tech ID, Supervisor Review, Corrective Action

14 Assayed versus Unassayed

15 Assayed versus Unassayed AssayedUnassayed Packaged with ValuesLab needs to establish values Good to have ON Hand Trouble shoot Work horse Everyday use Try it OutTime and trouble to establish values ExpensiveLess Expensive