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Revised correction factor for the UK national primary standard for air kerma for 137Cs and 60Co gamma-rays.

Pearce, J A D; Bass, G A; Duane, S; Nutbrown, R F; Shipley, D R (2009) Revised correction factor for the UK national primary standard for air kerma for 137Cs and 60Co gamma-rays. Metrologia, 46 (5). L26.

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Abstract

From 1 May 2009 the United Kingdom National Physical Laboratory (NPL) has changed its air kerma standards for Cs-137 and Co-60 gamma-rays. Adoption of the new correction factors results in an increase in the NPL air kerma standard by ~1% for both Cs-137 and Co-60 gamma-rays. All NPL secondary standard calibrations issued after 1 May 2009 contain the revised correction factor.

Item Type: Article
Subjects: Ionising Radiation
Ionising Radiation > Dosimetry
Last Modified: 02 Feb 2018 13:15
URI: http://eprintspublications.npl.co.uk/id/eprint/4506

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