Abstract
A supplementary comparison has been made between the air-kerma standards of the NRPA (Norway), the STUK (Finland) the SSM (Sweden) and the LNE-LNHB (France) in the ISO 4037 narrow spectrum series in the range 40 kV to 300 kV. The technical protocol was approved by the CCRI(I) in April 2016. The results show the standards to be in agreement at the level of the standard uncertainty of 12, 14 and 8 parts in 10³ for the NRPA, the STUK and the SSM respectively. The results are analysed and presented in terms of degrees of equivalence.KEY WORDS FOR SEARCHSupplementary comparison, air kerma, narrow spectrum series, radiation dosimetryMain textTo reach the main text of this paper, click on Final Report. Note that this text is that which appears in Appendix B of the BIPM key comparison database kcdb.bipm.org/.The final report has been peer-reviewed and approved for publication by the CCRI, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA).
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