– the intergovernmental organization through which Member States act together
     on matters related to measurement science and measurement standards.
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Participation in the SIR

NMIs wishing to submit samples for evaluation should contact the BIPM in advance, complete a questionnaire and take note of the important information for participants in the SIR. Attention must be paid to the administrative procedure [ADM.DOU.P-03] for sending the ampoule to the BIPM, and a completed shipping form [ADM.DOU.F-12] must be sent in advance.

The BIPM needs to receive a confirmation of your authorization to export radioactive materials to us. Please could you send us that confirmation in the form of a letter such as the example given here.

Results should be submitted using the SIR reporting form for liquid samples or for gas samples.



Summary
International Reference System (SIR)
SIR efficiency curve
New mathematical solution to the efficiency curve
Extension of the SIR to beta-ray emitters
Participation in the SIR
Related articles
SIR questionnaire
Important information for participants in the SIR
Administrative procedure for laboratories shipping material to the BIPM
Shipping form to be completed in advance
SIR reporting form for liquid samples
SIR reporting form for gas samples
Authorization to handle and send radioactive materials