HPS N13.11-2009 (R2015)

$21.45

Personnel Dosimetry Performance – Criteria for Testing

Published By	Publication Date	Number of Pages
HPS	2009	51

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Category: HPS

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Description

This standard applies to dosimetry systems used to determine
personal dose equivalent for occupational conditions and absorbed
dose for accident conditions. Tests are conducted under controlled
conditions and include irradiation with photons, beta particles,
neutrons, and selected mixtures of these radiations. The range of
delivered absorbed doses or personal dose equivalents and tolerance
levels are based on considerations of radiation protection
expressed in current publications of the National Council on
Radiation Protection and Measurements (NCRP 1993), the
International Commission on Radiation Units and Measurements (ICRU
1992), and the International Commission on Radiological Protection
(ICRP 1991, 1997). Organizations should be tested in those
categories that best represent the dosimetry services they provide
or use. The tests outlined in this standard may be used to test the
suppliers of dosimetry services (processors).

The standard integrates angular testing using photon fields
incident at various angles to the plane of the dosimeter. Such
tests provide the test participant with:

a method to continuously evaluate long-term changes in
dosimeter construction, and
information for improving absorbed dose or personal dose
equivalent estimation under field conditions.

Several dosimetry uses and radiological conditions are outside
the scope of this standard because of dosimeter design, limitations
of dosimetry systems, and practical considerations of testing
equipment and sources. These include:

thermal neutrons,
high-energy neutrons (E = 3 MeV), and
extremity dosimeters (covered in ANSI/HPS
N13.32-2008).

The scope of this standard is sufficiently comprehensive that
satisfactory performance implies that a dosimetry processor or user
is competent to assess personal dose under a broad range of field
conditions using the tested dosimetry system for those categories
for which they were tested.

Additional information