APMP - Asia Pacific Metrology Programme APLMF - Asia Pacific Legal Metrology Forum BIPM - Bureau international des poids et mesures COOMET - Euro-Asian Cooperation of National Metrological Institutions EA - European Cooperation for Accreditation EURACHEM - A Focus for Analytical Chemistry in Europe EURAMET - European Association of National Metrology Institutes EUROLAB - European Federation of National Associations of Measurement, Testing and Analytical Laboratories IAF - International Accreditation Forum ICRM - International Committee for Radionuclide Metrology ICRP - International Commission on Radiological Protection ICRU - International Commission on Radiation Units and Measurements ILAC - International Laboratory Accreditation Cooperation IMEKO - International Measurement Confederation OIML - Organisation Internationale de Métrologie Légale SIM - Sistema Interamericano de Metrologia WELMEC - European Cooperation in Legal Metrology