PTA offers Testing Programs involving the distribution of sub-samples of a material for testing by participating laboratories, Measurement Programs involving the circulation of a measurement artefact among a group of laboratories or a single laboratory, and customised programs, for industry organisations.
For Testing Programs, a laboratory’s performance is normally a comparison to consensus values calculated from the results submitted.
For Calibration Programs, laboratory results are compared to values established by a reference laboratory, taking into account measurement uncertainties.
Confidentiality
All information supplied by a laboratory as part of a proficiency testing program is treated as confidential.
Training and consultancy
PTA provides training courses and consultancy services on proficiency testing and statistical applications.