1. The NELAC Institute Proficiency Testing Board (PT Board)

2. TNI PT Board Carl Kircher, FL DOH, Chair Carl Kircher, FL DOH, Chair Gary Dechant, AQS Gary Dechant, AQS Steve Gibson, TCEQ Steve Gibson, TCEQ Raeann Haynes, OR DEQ Raeann Haynes, OR DEQ Bill Ingersoll, US Navy Bill Ingersoll, US Navy Svetlana Isozamova, Accutest Svetlana Isozamova, Accutest Michella Karapondo, US EPA Kirsten McCracken, TestAmerica Richard Sheibley, WS Consulting Matt Sica, ME DOH Eric Smith, TestAmerica Curtis Wood, ERA

3. Purpose Establish and maintain a national PT program to support a national environmental laboratory accreditation program. Establish and maintain a national PT program to support a national environmental laboratory accreditation program.

4. Elements of Program Ensure adequate oversight of PT providers Ensure adequate oversight of PT providers Establish Fields of Proficiency Testing Establish Fields of Proficiency Testing Matrices, analytes, concentrations, formulation recommendations, and acceptance limits Matrices, analytes, concentrations, formulation recommendations, and acceptance limits General management of program General management of program

5. Oversight of PT Providers Provide assistance to the TNI Board of Directors on the selection of Proficiency Testing Provider Accreditors (PTPAs) Provide assistance to the TNI Board of Directors on the selection of Proficiency Testing Provider Accreditors (PTPAs) Evaluate new organizations seeking to become PTPAs, and monitor existing PTPAs to assure that they are following the requirements set forth by TNI Evaluate new organizations seeking to become PTPAs, and monitor existing PTPAs to assure that they are following the requirements set forth by TNI

6. Establish Fields of Proficiency Testing Review & evaluate PT data for the purposes of determining the appropriateness of PT study formulations, concentrations, & acceptance limits Review & evaluate PT data for the purposes of determining the appropriateness of PT study formulations, concentrations, & acceptance limits Provide recommendations to the NELAP Board as to PT study formulations, concentration ranges, and acceptance limits Provide recommendations to the NELAP Board as to PT study formulations, concentration ranges, and acceptance limits

7. General Management Facilitate an annual caucus on proficiency testing. Facilitate an annual caucus on proficiency testing. Serve as a review board for unresolved complaints about PT samples among environmental laboratories, accreditation bodies, PTPAs, and PT Providers that the PTPA cannot resolve. Serve as a review board for unresolved complaints about PT samples among environmental laboratories, accreditation bodies, PTPAs, and PT Providers that the PTPA cannot resolve. Represent TNI & assume a leadership role, where appropriate, in activities involving national & international PT standards development & implementation of PT programs Represent TNI & assume a leadership role, where appropriate, in activities involving national & international PT standards development & implementation of PT programs ANSI International Conformity Assessment Committee (ICAC) ANSI International Conformity Assessment Committee (ICAC)

8. TNI PT Board SOPs PT Board Operations PT Board Operations PT Board Voting Process PT Board Voting Process PTPA Evaluation Process PTPA Evaluation Process PT Acceptance Criteria Evaluation PT Acceptance Criteria Evaluation Conducting the Annual PT Caucus Conducting the Annual PT Caucus Handling Complaints Handling Complaints PTPA Appeal Process (draft) PTPA Appeal Process (draft)

9. Fields of Proficiency Testing Tables DW Accreditation Analytes (Micro., Chem.) DW Accreditation Analytes (Micro., Chem.) DW Accreditation Analytes (Radiochem.) DW Accreditation Analytes (Radiochem.) DW Experimental Analytes DW Experimental Analytes NPW Accreditation Analytes NPW Accreditation Analytes NPW Experimental Analytes NPW Experimental Analytes SCM Accreditation Analytes SCM Accreditation Analytes SCM Experimental Analytes SCM Experimental Analytes

10. PT Board Current Activities Microbiology FoPT Subcommittee Microbiology FoPT Subcommittee PTPA On-Going Monitoring of PT Providers PTPA On-Going Monitoring of PT Providers Annual PT Caucus Jan. 16, 2008 Annual PT Caucus Jan. 16, 2008 Biennial evaluation of A2LA as PTOB/PTPA Biennial evaluation of A2LA as PTOB/PTPA Includes observing on-site assessment of PT Provider Includes observing on-site assessment of PT Provider Input to ISO 17043 Working Draft Input to ISO 17043 Working Draft Special Session Jan. 17, 2008 (Air & Emissions + Field Sampling & Measurements Proficiency Testing) Special Session Jan. 17, 2008 (Air & Emissions + Field Sampling & Measurements Proficiency Testing)