Proficiency testing schemes (PTS) |
Reference materials (RM) |
Validation of testing methods (VTM) |
Uncertainty of measurement (UM) |
Metrology and traceability (MT) |
Standardisation (St) |
Research, development and education in the laboratory activity (RDE) |
Accreditation, Quality management in testing laboratories (AQM) |
Conformity assessment (CA) |