Proficiency Testing Technical Resources

Jeff Gust, renowned metrologist and Director of Proficiency Testing
for MeasurePT, has authored the following technical publications:

A Discussion of Stability and Homogeneity Issues
in Proficiency Testing for Calibration Laboratories
NCSL International “measure”, The Journal of Measurement Science, March 2009

Weights & Measures Division Quality Manual for
Proficiency Testing & Interlaboratory Comparisons
NISTIR 7214

Final Results from an Accredited Resistance Proficiency Test
presented at 2005 Measurement Science Conference

Improving Temperature Measurement Processes Through Proficiency Testing
presented at the 2005 NCSLI Conference

Proficiency Test Policy and Plan
NISTIR 7802 (for State Weights & Measures Laboratories)

Stopwatch and Timer Calibrations
NIST Special Publication 960-12

Innovations in Proficiency Testing
CAL LAB Magazine, April/May/June 2003

A Guide for the Calibration of Standard Resistors
CAL LAB Magazine, September/October 2000

NCSL Interlaboratory Comparison of a One Ohm Resistance Standard 1998-2000
Presented at the 2000 NCSLI Conference

The Speed of Light: A Metrologist's Historical Perspective
CAL LAB Magazine, March/April 1996

An Error Analysis of Psychrometers
presented at the 1995 NCSL Conference

Other Resources for Understanding Proficiency Test Requirements:

ILAC-G13
Requirements for the Competence of Providers of Proficiency Testing Schemes

ILAC-G22
Use of Proficiency Testing as a Tool for Accreditation in Testing

ILAC-P1
Requirements for Evaluation of Accreditation Bodies

ILAC-P9
ILAC Policy for Participation in National and International Proficiency Testing Activities

ISO/IEC Guide 43-1
Proficiency testing by interlaboratory comparisons --
Part 1: Development and operation of proficiency testing schemes

ISO/IEC Guide 43-2
Proficiency testing by interlaboratory comparisons --
Part 2: Selection and use of proficiency testing schemes by laboratory accreditation bodies

NCSLI RP-15
Guide for Interlaboratory Comparisons