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Otto, T.*; Hertel, N. E.*; Bartlett, D. T.*; Behrens, R.*; Bordy, J.-M.*; Dietze, G.*; Endo, Akira; Gualdrini, G.*; Pelliccioni, M.*
Radiation Protection Dosimetry, 180(1-4), p.10 - 16, 2018/08
Times Cited Count：19 Percentile：89.32(Environmental Sciences)Report Committee 26 of the ICRU proposes a set of operational quantities for radiation protection for external radiation, directly based on effective dose and for an extended range of particles and energies. It is accompanied by new quantities for estimating deterministic effects to the eye lens and the local skin. The operational quantities are designed to overcome the conceptual and technical shortcomings of those presently in use. This paper describes the proposed operational quantities, and highlights the improvements with respect to the present legal monitoring quantities.
Hertel, N. E.*; Bartlett, D. T.*; Dietze, G.*; Bordy, J.-M.*; Endo, Akira; Gualdrini, G.*; Pelliccioni, M.*; Ambrosi, P.*; Siebert, B. R. L.*; Veinot, K.*; et al.
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The International Commission on Radiation Units and Measurements (ICRU) defines a set of operational quantities for use in radiation measurements that provides assessment of the protection quantities recommended by International Commission for Radiological Protection (ICRP). The ICRU operational quantities in current use was defined about 30 years ago. ICRU Report Committee 26 has examined the rationale for operational quantities taking into account the changes in the definitions of the protection quantities and the changes in the fields of application of the operational quantities and protection quantities. The considerations have included the range of types and energies of particles contributing to doses to workers and members of the public. The relationship of the existing recommended operational quantities to the protection quantities has been investigated, as has the impact of changes in routine measurement practice, including instrument design and calibration. The committee has proposed a set of operational quantities which differs from the previous quantities. The major change in the proposed set of quantities is the redefinition of the operational quantities for area monitoring from doses computed at a depth in the ICRU sphere to ones based on particle fluence and the relationship to the protection quantities, effective dose, and equivalent dose to the lens of the eye, and local skin.
