Proficiency Testing: What Assessors Actually Expect in ISO/IEC 17025

When a laboratory prepares for ISO/IEC 17025 accreditation, proficiency testing (PT) often becomes a point of anxiety. The term sounds technical, but in reality, it answers a very basic question: Can your lab produce reliable results that match other competent labs? And when assessors walk in, they do not want to see participation, they want […]