Understanding ISO/IEC 17025 for Calibration Laboratories

# Understanding ISO/IEC 17025 ISO/IEC 17025 is the international standard specifying general requirements for the competence of testing and calibration laboratories. It is recognized worldwide. ## Why is this standard important? ISO/IEC 17025 accreditation demonstrates that a laboratory is competent to perform testing and calibration, producing accurate and reliable results. ## Key Requirements 1. **Structural requirements** - The laboratory must be a legal entity with impartiality 2. **Resource requirements** - Personnel, facilities, equipment, metrological traceability 3. **Process requirements** - Review of requests, method selection, sample handling, reporting 4. **Management system requirements** - Documentation, control, internal audits, management review ## Application to Thai Calibration Laboratories In Thailand, the Thai Industrial Standards Institute (TISI) is the accreditation body. TIS 17025 is fully aligned with ISO/IEC 17025.