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Thorium in the workplace: results from a European-based measurement comparison project
D K Tyler1, M J Woods, S M Jerome
1Centre for Ionising Radiation Metrology, National Physical Laboratory, Teddington, Middlesex, UK. dagmara.tyler@npl.co.uk
Radiation Protection Dosimetry
|February 15, 2002
Abstract:
A Series of comparisons were conducted to test the capabilities of a range of metrological techniques and analytical laboratories engaged in the assay of thorium in the workplace. The results of these exercises are presented together with the decision criteria used to determine whether results are significantly different from the true value. The discussion highlights those aspects which warrant closer and further attention.