Choose Participating Metrology Institute AAEC [Australian Energy Commission] ABA [A.B. Atomenergi] ABBS [Antigua and Barbuda Bureau of Standards] AECL [Atomic Energy of Canada Limited ] AERE [AERE-Harwell, Harwell Laboratory] AEROMAN [Aero Mantenimiento] AIM [Inspection Générale de la Métrologie (IGM)] ANSTO [Australian Nuclear Science and Technology Organization] ARCS [Osterreichisches Forschungszentrum Seibersdorf Ges.m.b.H] AREPA [AREPA Test & Calibration A/S] ARL [Australian Radiation Laboratory] ARPANSA [Australian Radiation Protection And Nuclear Safety Agency] ASMW [Amt für Standardisierung, Messwesen und Warenprüfung] AYA [Laboratorio Nacional de Aguas de Acueductos y Alcantarillados] BAM [Bundesanstalt für Materialforshung und -prüfung] BARC [Bhabha Atomic Research Centre] BBS [Belize Bureau of Standards] BCMN [Bureau Central de Mesures Nucléaires] BEV [Bundesamt für Eich- und Vermessungswesen] BFMMP [Bureau Fédéral des Mesures et Métaux Précieux] BIPM [Bureau International des Poids et Mesures] BLC [formerly: Commissariat à l'Energie Atomique] BMS [Belgium Metrology Service] BNM [Bureau National de Métrologie] BNM/CESTA [Bureau National de Métrologie/Centre d'Etudes Scientifiques et Techniques d'Aquitaine] BNM-INM [Bureau National de Métrologie - Institut National de Métrologie] BNM-LCIE [Bureau National de Métrologie - Laboratoire Central des Industries Electriques] BNM-LNE [Bureau National de Métrologie - Laboratoire National d'Essais] BNM-LNHB [Bureau National de Métrologie - Laboratoire National Henri Becquerel] BNM-LPRI [Bureau National de Métrologie - Laboratoire Primaire des Rayonnements Ionisants] CARIRI [Caribbean Industrial Research Institute] CBNM [Central Bureau for Nuclear Measurements] CCCM [Centro de Control de Calidad y Metrologia] CCHEN [Comision Chilena de Energia Nuclear] CEHI [Caribbean Environmental Health Institute] Celsius [CelsiusTech Electronics] CEM [Centro Español de Metrologia] CEN [Centre d'Etudes Nucléaires] CENA [Centro de Energia Nuclear na Agricultura] CENAM [Centro Nacional de Metrologia] CENAMEP [Centro Nacional De Metrología de Panamá] CEQIATEC-ITCR [Laboratorio de Servicios Químicos y Microbiológicos, Instituto Tecnológico de Costa Rica] CESI [Centro Elettrotecnico Sperimentale Italiano] CETEC [Technological Center Foundation of Minas Gerais] CETESB [Compañia de Tecnologia de Saneamiento Ambinetal del Estado de São Paulo, Brasil] CETO [Universidade do Porto] CFIA [Canadian Food Inspection Agency] CIAE [China Institute of Atomic Energy] CIDETEQ [Centro de Investigación en Electroquímica] CIEMAT [Centro de Investigaciones Energéticas, Medioambientales y Tecnològicas] CMA [Centre for Metrology and Accreditation] CMI [Czech Metrology Institute] CMI/IIR [Inspectorate for Ionizing Radiation] CMI-IIR [Czech Metrology Institute - Inspectorate for Ionizing Radiation] CMS [Centre for Measurement Standards] CMS/ITRI [Center for Measurement Standards/Industrial Technology Research Institute] CNEA [Comision Nacional de Energia Atomica] CNEN [Comissão Nacional de Energia Nuclear] CNMG [Laboratorio Nacional de Metrología] COGUANOR [Comision Guatemalteca de Normas] COHCIT [Consejo Hondureno de Coencia y Tecnologia] CONACYT [Consejo Nacional de Ciencia y Tecnologia] CPRI [Central Power Research Institute] CRL [Communications Research Laboratory] CSAV [Czechoslovak Academy of Sciences] CSELT [Centro Studi e Laboratori Telecomunicazioni] CSIR-NML [Council for Scientific and Industrial Research - National Metrology Laboratory] CSIRO [Commonwealth Scientific and Industrial Research Organization] CSIRO-NML [Commonwealth Scientific and Industrial Research Organization - National Measurement Laboratory] CSMU [Ceskoslovensky Metrologicky Ustav, (former Czechoslovakia)] CTU [Czech Technical University] DFI [Danish Force Institute] DFM [Danish Institute of Fundamental Metrology] DFM/FORCE [Danish institute of Fundamental Metrology/Danish Force Institute] DGNTI [Direccion General de Normas y Tecnologia Industrial] DIGENOR [Direccion General de Normas y Sistemas de Calidad] DNDI [State Scientific Research Institute] DNM [Dept of Normalization and Mtrology] DPL [Danish Primary Laboratory] DPLA [Danish Primary Laboratory of Acoustics] DTH [Technical University of Denmark] EAM [Eidgenössisches Amt für Messwesen] EES [European Electrical Steels, Ltd] EIM [Hellenic Institute of Metrology] EMPA [Swiss Federal Laboratories for Materials Testing and Research] ENAER [Empresa Nacional de Aeronáutica] ENEA [Ente per le Nuove Tecnologie, l'Energia e l'Ambiente] EOLAS [Irish Science and Technology Agency] ETCA [Etablissement Technique Central de l'Armement] ETHZ [Swiss Federal Institute of Technology Zurich] ETL [Electrotechnical Laboratory] FFA [Aeronautical Research Institute of Sweden] FFV [National Primary Calibration Centre] FMI [Finnish Meteorological Institute] FORBAIRT-NML [FORBAIRT - National Metrology Laboratory] FORCE [Danish Force Institute] FUNED [Fundacao Ezequiel Dias] GUM [Glowny Urzad Miar/Central Office of Measures] Hipotronics [Hubble Power Systems/Hipotronics] HMCI [Haiti Ministry of Commerce and Industry] HP Winnersh [Agilent Technologies Ltd., Test & Measurement (formerly Hewlett-Packard) Winnersh Triangle] HUT [Helsinki University of Technology] IA [Instituto di Acoustica] IAEA [International Atomic Energy Agency] IAL [InstitutoAdolfo Lutz/Secao de Aditivos e Pesticidas Residuais] IAP [Institute of Atomic Physics] IB [Instituto Biologicao] IBJ [Instytut Badan Jadrowych] IBMETRO [Instituto Boliviano de Metrologia] ICAITI [Instituto Centro-Americano para Investigaciones de Technologia y Industria] ICE [Instituto Costarricense de Electricidad] ICMET [National Institute for Electrical Engineering] IDIC [Laboratorio Custodio de Patrones Nacionales de Fuerza] IEA [Instytut Energii Atomowej] IEL [Electrotechnical Institute] IEN [Istituto Elettrotecnico Nazionale Galileo Ferraris] IER [Institut d'Electrochimie et Radiochimie] IFA [Instituto de Fisica Aplicada] IFIN [Institutul de Fizica si Inginerie Nucleara, Bucarest] IGM [Inspection Générale de la Métrologie] IMGC [Instituto di Metrologia G. Colonnetti] IMGC-CNR [Instituto di Metrologia G. Colonnetti - Consiglio Nazionale delle Ricerche] IMM [D.I. Mendeleyev Institute for Metrology] INDECOPI [Instituto Nacional de Defensa de la Competencia y de la Proteccion de la Propiedad Intelectual] INEL [Idaho National Engineering Laboratory] INEN [Instituto Ecuartoriano de Normalizacion] INER [Institute of Nuclear Energy Research] INETI [Instituto Nacional de Engenharia e Tecnologia Industrial] INM [Institut National de Métrologie] INM(RO) [Biroul Roman de Metrologie Legala, Institutul National de Metrologie] INMETRO [Instituto Nacional de Metrologia, Normalizaçao e Qualidade Industrial] INMETRO/LNMRI [Laboratorio Nacional de Metrologia das Radiaçoes Ionizantes] INN [Instituto Nacional de Normalizacion] INPE [Institute of Nuclear Physics and Engineering] INPL [National Physical Laboratory of Israel] INT [Unknown] INTA [Instituto Nacional de Técnica Aeroespacial] INTEC [Corporación de Investigación Tecnológica de Chile] INTEMIN [Instituto de Tecnología Minera] INTI [Instituto Nacional de Tecnologia Industrial] INTI/CEMCUYO [Instituto Nacional de Tecnologia Industriel/Centro Regional Cuyo Fruti Hortícola] INTI/CITECA [INTI Centro de Investigación y Tecnología Industrial de Carnes] INTI/CITIL [INTI Centro de Investigaciones Tecnológicas de la Industria Láctea] INTI/UTA [Instituto Nacional de Tecnologia Industriel/Unidad Tecnica Acustica] INTN [Instituto Nacional de Tecnologia y Normalizacion] IOM [Instituto de Optica Daza de Valdés] IPEN [Instituto de Pesquisas Energéticas e Nucleares] IPQ [Instituto Português da Qualidade] IPT [Instituto de Pesquisas Tecnologicas] IRA [Institut de Radiophysique Appliquée] IRA/OFMET [Institut de Radiophysique Appliquée/Office Fédéral de Métrologie] IRD [Instituto de Radioproteção e Dosimetria] IRE [Institut National des Radio and Eacutel and Eacutements] IRK [Institut für Radiumforschung und Kernphysik] IRL [Industrial Research Limited] IRMM [Institute for Reference Materials and Measurements] ISI [Institute of Scientific Instruments] IST [Institute Symann Trebbau GbR] ITAL [Instituto de Technologia de Alimentos] ITDI [Industrial Technology Development Institute] ITEP [Instituto Tecnológico do Estado de Pernambuco] ITRI [Industrial Technology Research Institute] JBS [Jamaica Bureau of Standards] JEMA [Japan Electrical Manufacturers' Association] JTI [Jutland Technological Institute] JV [Justervesenet] KAE [Korea Atomic Energy] KEMA [KEMA] KERI [Korea Electrotechnology Research Institute] KRISS [Korea Research Institute of Standards and Science] KSRI [Korea Standards Research Institute] LABORELEC [Laborelec, S.C., Laboratoire Central d'Electricite] LACOMET [Laboratorio Costarricense de Metrologia] LAMBDA CR [Laboratorio Químico Lambda] LANAMET [Laboratorio Nacional de Metrologia] LATU [Laboratorio Tecnologico de Uruguay] LATU/UTE [National Electric Company] LCIE [Laboratoire Central des Industries Electriques] LCOE [Laboratorio Central Oficial de Electrotecnia] LCPN-CESMEC [Laboratorio Custodio de Patrones Nacionales] LCPN-F [Laboratorio Custodio de Patrones Nacionales de Fuerza] LGC [Laboratory of the Government Chemist] LIPI [KIM Calibration and Metrology Division] LMRI [Laboratoire de Métrologie des Rayonnements Ionisants] LNE [Laboratoire National d'Essais] LNETI [Laboratorio Nacional de Engenharia e Tecnologia Industrial] LNHB [Laboratoire National Henri Becquerel] LNMC [Latvian National Metrology Centre] LNMRI [Laboratorio Nacional de Metrologia das Radiaçoes Ionizantes] LPMP-UTP [Laboratorio Primario de metrologia de Panama- Universidad Tecnologica de Panama] LPRI [Laboratoire Primaire des Rayonnements Ionisants] LQA [Laboratorio de Quimica de la Atmosfera, Universidad Nacional] LS [Löggildingarstofa] LSDG [Laboratorium voor Standaarddosimetrie Gent] MCWA [Ministry of Consumer Welfare and Aviation] MD [Metrologische Dienst of Belgium] METAS [Metrology and Accreditation Switzerland] MIKES [Mittatekniikan Keskus, Centre for Metrology and Accreditation] MIKES/VTT [Mittatekniikan Keskus, Centre for Metrology and Accreditation] MPA-NRW [Material Prüfungsamt Nordrhein-Westfalen] MSL [Measurement Standards Laboratory of New-Zealand] NAC [National Accelerator Centre] NARL [National Analytical Reference Laboratory] NBS [National Institute of Standards and Technology] NCM [National Centre of Metrology] NEL [National Engineering Laboratory] NGC [National Grid Company plc] NILPRP [National Institute for Laser, Plasma and Radiation Physics] NIM [National Institute of Metrology] NIMC [National Institute of Material and Chemical Research] NIMT [National Institute of Metrology of Thailand] NIRH [National Institute of Radiation Hygiene] NIS [National Institute for Standards] NIST [National Institute of Standards and Technology] NIST/CANNON [CANNON Instrument Company] NIST/JILA [NIST/Joint Institute for Laboratory Astrophysics] NIST/NUWC/USRD [NIST/Naval Undersea Warfare Center/Under Water Sound Reference Division] NMC [National Centre of Metrology] NMi [Nederlands Meetinstituut] NMI(IE) [National Metrology Laboratory of Ireland] NMi/TNO [Nederlands Meetinstituut/TNO Biotechnology and Chemistry Institute] NMI/TR [National Metrology Institute] NMIJ [National Metrology Institute of Japan] NMi-VSL [Nederlands Meetinstituut: Van Swinden Laboratorium] NML(IE) [National Metrology Laboratory of Ireland] NML(SA) [National Measurement laboratory of South Africa] NMS [National Measurement Service] NOM [National Office of Measures] NPL [National Physical Laboratory] NPLI [National Physical Laboratory of India] NRC [National Research Council] NRC/DREA [National Research Council/Defense Research Establishment Atlantic] NRCCRM [National Research Centre for Certified Reference Materials] NRLM [National Research Laboratory of Metrology] NRLM/CERI [National Research Laboratory of Metrology/Chemicals Evaluation Research Institute] NSCL [National Standards and Calibration Laboratory] OAEP [Office of Atomic Energy for Peace] OFMET [Office Fédéral de Métrologie] OMH [Országos Mérésügyi Hivatal] ONNUM [Oficina Nacional de Normas y Unidades de Medida] OXITENO [Unknown] P3KRBIN [Pusat Penelitian & Pengembangan Keselamatan Radiasi & Biomedika Nuklir] PDS [Centre for Standardization and Dosimetry] PETROBRAS/CENPES/DIPROD/SEMOT [PETROBRAS Centro de Pesquisas, Divisão de Tecnologia de Produtos, Secretaria Municipal de Obras e Transportes] PNRI [The Philippine Nuclear Research Institute] PQM [Productos Químicos Monterrey] PSB [Singapore Productivity and Standards Board] PSPKR [Pusat Standardisasi dan Penelitian Keselamatan Radiasi] PTB [Physikalisch-Technische Bundesanstalt] PTB/WTD [Physikalisch-Technische Bundesanstalt/Wehrtechnische Dienstelle für Schiffe und Marinewaffen (WTD 71)] PTB-R [Physikalisch-Technische Bundesanstalt, Radiometrische Einheiten] PTB-T [Physikalisch-Technische Bundesanstalt, Temperaturstrahlung] PTF [Posts and Telecommunications of Finland] PUC [Pontifical Catholic University of Rio deJaneiro] RC [Radioisotope Centre Polatom] RPO [Raute Precision Oy of Finland] SANAMET [National Autonomous Metrology Service] SCK [Studiecentrum voor Kernenergie] SCK-CEN [Studiecentrum voor Kernenegrie-Centre d'etude de l' Energie Nucleaire] SCL [Standards and Calibration Laboratory] SENASA [Servicio Nacional de Sanidad y Calidad Agroalimentaria] SENCAMER [Servicio Autónomo Nacional de Normalización, Calidad, Metrología y Reglamentos Técnicos] SIC [Centro de Control de Calidad y Metrologia] SIQ [Slovenian Institute of Quality and Metrology] SIRIM [Standards and Industrial Research Institute of Malaysia] SIRIM Berhad [formerly Standards and Industrial Research Institute of Malaysia] SISIR [Singapore Institute of Standards and Industrial Research] SKNMD [Saint Kitts and Nevis Ministry of Development] SM [Service de la Metrologie (Belgium)] SMD [Belgium Metrology Service (Metrologische Dienst)] SMIS [Standards and Metrology Institute of Slovenia] SMU [Slovensky Metrologicki Ustav] SNIIM [Siberian State Scientific Research Institute of Metrology] SP [Swedish National Testing and Research Institute (ex Statens Prövningsanstalt)] SSIA [State Scientific Industrial Association for Metrology] STUK [Finnish Centre for Radiation and Nuclear Safety] SZMDM [Savezni Zavod za Mere i Dragocene Metale] TBD [Participants yet to be determined] TNO [TNO Biotechnology and Chemistry Institute] TTBS [Trinidad and Tobago Bureau of Standards] TUE [Eindhoven University of Technology] TUG [Technical University of Graz] TUW [Technical University of Wroclaw] UBA [Umweltbundesamt, Institut für Wasser-, Boden- und Lufthygiene] UCR [University de Costa Rica] UDZ [Ustav Dozimetrie Zàreni] UME [Tubitak Ulusal Metrologi Enstitüsü] Univ. Parana [Pontifícia Universidade Católica do Paraná] Univ. Thess. [Aristotle University of Thessaloniki] UNT [Universidad Nacional de Tucumán] USAC [Universidad de San Carlos] USP [Università degli Studi di Padova-Dipartimento di Fisica G.Galilei] UTP [Universidad Tecnológica de Panamá] UVVVR [Institute for Research, Production and Application of Radioisotopes] UWI [Univers. of West Indies] VGKRI [V.G. Khlopin Radium Institute] VMC [Vilnius Metrology Center] VMI [Viet Nam Metrology Institute] VNIIFTRI [All Russian Research Institute for Physical-Technical and Radio-Technical Measurements] VNIIM [D.I. Mendeleyev Institute for Metrology] VNIIOFI [All Russian Research Institute for OptoPhysical Measurements] VSL [Nederlands Meetinstituut: Van Swinden Laboratorium] VTT [Valton Teknillinen Tutkimuskeskus] WHVRI [Wuhan High Voltage Research Institute]
or:
Choose Participating Country Antigua and Barbuda Argentina Australia Austria Bahamas Belgium Belize Bolivia Brazil Bulgaria Canada Chile China Chinese Taipei Colombia Costa Rica Czech Republic Denmark Dominican Republic Ecuador Egypt El Salvador European Union Finland France Germany Greece Guatemala Haiti Honduras Hong Kong, China Hungary India Indonesia Ireland Israel Italy Jamaica Japan Latvia Lithuania Malaysia Mexico New Zealand Nicaragua Norway Panama Paraguay Peru Philippines Poland Portugal Republic of Korea Romania Russian Federation Saint Kitts and Nevis Saint Lucia Singapore Slovakia (Slovak Republic) Slovenia South Africa Spain Sweden Switzerland Syrian Arab Republic Thailand The Netherlands Trinidad and Tobago Turkey Ukraine United Kingdom United States Uruguay Venezuela Viet Nam Yugoslavia