A collection of resources to help you navigate the proficiency testing and accreditation processes
The new international standard, ISO/IEC 17025 General Requirements for the Competence of Testing and Calibration Laboratories, references proficiency testing in the context of monitoring activities associated with testing and calibration.
The purpose of this document is to assist our participants, accreditation bodies, and assessors, as they interpret and analyze reports issued by the National Association for Proficiency Testing.
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