Module 1 of 6 · about 56 min · Badge: PT Fundamentals
Proficiency testing, explained
What PT is, why accreditation requires it, and the rules of fair participation.
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What you will learn
4 lessons and a case study
- 1Sign in
What proficiency testing is, and why laboratories take part
Tell proficiency testing apart from other interlaboratory comparisons, recognise the main scheme types, follow one round from plan to review, and explain why laboratories take part.
Animated lesson · notes · check · about 11 minFree account - 2Sign in
PT and internal quality control: different jobs
Say what internal quality control and proficiency testing each watch, which errors each one can and cannot detect, and why a laboratory needs both.
Animated lesson · notes · check · about 11 minFree account - 3Sign in
Participation requirements and the provider's role
Explain what ISO/IEC 17025, ISO 15189 and ILAC P9 expect, plan participation by risk, record an alternative when no scheme exists, and describe a PT provider's duties under ISO/IEC 17043.
Animated lesson · notes · check · about 12 minFree account - 4Sign in
Fair participation
Apply the four rules of fair participation (test as routine, never refer, never collude, report what you measured) and settle the common grey areas.
Animated lesson · notes · check · about 10 minFree account - CSign in
Case: a new laboratory plans its first year of PT
A newly accredited water laboratory drafts its first PT participation plan, finds no scheme for one test, and has to answer a colleague who wants to refer a PT item.
Case study · about 8 minFree account