ISO/IEC 17025:2005 specifies the general requirements for the competence to carry out tests and/or calibrations, including sampling. It covers testing and calibration performed using standard methods, non-standard methods, and laboratory-developed methods.
ISO/IEC 17043:2010 specifies general requirements for the competence of providers of proficiency testing schemes and for the development and operation of proficiency testing schemes. These requirements are intended to be general for all types of proficiency testing schemes, and they can be used as a basis for specific technical requirements for particular fields of application.
PJLA provides accreditation for ISO/IEC 17025 for testing and calibration laboratories, ISO/IEC 17020 for inspection bodies, ISO Guide 34 for reference material producers, and ISO/IEC 17043 for proficiency testing providers. PJLA also provides ISO 17025 training and training on other topics. PJLA is internationally recognized by ILAC, APLAC, and IAAC as a signatory of multilateral recognition arrangements that facilitate acceptance of test and calibration data internationally.