WEF Discussions — Now on LinkedIn!

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Laboratory Christmas Song for 2010
Keith Chapman
Posted: Tuesday, December 21, 2010 1:48 PM
Joined: 10/2/2009
Posts: 35

Thanks to EPA we have the Twelve Essential QC Practices of Christmas...


Based on EPA’s Twelve Essential QC Activities as found in the Sept 23, 2010 Method Update Rule:



On the Nth day of testing the lab gave to me:


One Demonstration of Capability

   Two Limits of Detection

      Three Method Blanks

         Four QC Standards


            Five C-C-V’s


Six Matrix Spikes (and MSD’S)

   Seven Internal Standards (if you need them)

      Eight More Control Charts

         Nine Acceptance Criteria

            Ten Corrective Actions

               Eleven Batch definitions

                  Twelve QC Frequencies