Dean, J; Aitken-Smith, P; Collins, S; Keightley, L (2018) Environmental Radioactivity Proficiency Test Exercise 2017 - Final Report. NPL Report. IR 47

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Abstract

The results of NPL's twenty-third Environmental Radioactivity Proficiency Test Exercise are reported. Five different sample types were offered: an aqueous mixture of one alpha emitter and three beta emitters (designated 'AB'), an aqueous mixture of three alpha emitters ('A1'), an aqueous mixture of three beta emitters ('B1'), an aqueous mixture of three gamma emitters ('GH') and a second aqueous mixture of three gamma emitters ('GL'). In total, 383 results were submitted; 380 were analysed and, of these, 79% were found to be 'In Agreement' with the NPL Assigned Values.

Item Type:	Report/Guide (NPL Report)
NPL Report No.:	IR 47
Subjects:	Ionising Radiation > Radioactivity
Divisions:	Chemical, Medical & Environmental Science
Last Modified:	18 Jun 2018 10:47
URI:	https://eprintspublications.npl.co.uk/id/eprint/7945