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ISO 21909-1:2021

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Passive neutron dosimetry systems — Part 1: Performance and test requirements for personal dosimetry

This document applies to all passive neutron detectors that can be used within a personal dosemeter in part or in all of the above-mentioned neutron energy range. No distinction between the different techniques available in the marketplace is made in the description of the tests. Only generic distinctions, for instance, as disposable or reusable dosemeters, are considered.

This document describes type tests only. Type tests are made to assess the basic characteristics of the dosimetry systems and are often ensured by recognized national laboratories

This document does not present performance tests for characterizing the degradation induced by the following:

—    intrinsic temporal variability of the quality of the dosemeter supplied by the manufacturer;

—    intrinsic temporal variability of preparation treatments (before irradiation and/or before reading), if existing;

—    intrinsic temporal variability of reading process;

—    degradation due to environmental effects on the preparation treatments, if existing;

—    degradation due to environmental effects on the reading process.

This document gives information for extremity dosimetry in the Annex C, based on recommendations given by ICRU Report 66. This document addresses only neutron personal monitoring and not criticality accident conditions.

The links between this document and ISO 21909-2 are given in Annex A.

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