– the intergovernmental organization through which Member States act together
     on matters related to measurement science and measurement standards.
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International Atomic Energy Agency (IAEA)

The IAEA works with its Member States and multiple partners worldwide to promote safe, secure and peaceful nuclear technologies.

The IAEA operates the IAEA/WHO SSDL system for traceable dosimetry in its Member States. It also produces a number of certified reference materials for chemical measurement (notably stable isotopes and heavy metals).


Formal relationship:
Links between the BIPM and the IAEA:

  • The IAEA is a signatory of the CIPM MRA.
  • IAEA dosimetry standards are traceable to the BIPM.
  • The IAEA is a member of the CCRI(I) and the CCQM and an observer of the CCRI(II) and CCRI(III).
  • The IAEA participates in RMO comparisons in dosimetry, and pilots some CCRI(II) comparisons, e.g. for activity measurements in environmental samples.
  • Dr David Burns is a member of the IAEA Scientific Committee for Dosimetry and Medical Radiation Physics.
  • The BIPM and IAEA held a joint workshop on isotope standards for CO2 and CH4 (June 2014) .

BIPM contact(s):
IAEA contact(s):
  • A. Fajgelj (Metrology in Chemistry)
  • Ronald Sturm (Office of External Relations and Policy Coordinator)
  • Rethy Chhem (Director of Human Health Division)
    Others depending on the subject area (dosimetry, activity in reference materials)

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CIPM MRA signatories
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CIPM MRA signatories