M00000856
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ISO/ASTM 52116 2nd Edition, April 15, 2013 Practice for dosimetry for a self-contained dry-storage gamma irradiator
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Availability date: 07/13/2021
Description / Abstract:
This practice outlines dosimetric procedures to be followed with
self-contained dry-storage gamma irradiators. For irradiators used
for routine processing, procedures are given to ensure that product
processed will receive absorbed doses within prescribed limits.
This practice covers dosimetry in the use of dry-storage gamma
irradiators, namely self-contained dry-storage 137Cs or
60Co irradiators (shielded freestanding irradiators). It
does not cover underwater pool sources, panoramic gamma sources,
nor does it cover self-contained bremsstrahlung X-ray units.
The absorbed-dose range for the use of the dry-storage
self-contained gamma irradiators covered by this practice is
typically 1 to 105 Gy, depending on the application. The
absorbed-dose rate range typically is from 10–2 to
103 Gy/min.
For irradiators supplied for specific applications, specific
ISO/ASTM or ASTM practices and guides provide dosimetric procedures
for the application. For procedures specific to dosimetry in blood
irradiation, see ISO/ASTM Practice 51939. For procedures specific
to dosimetry in radiation research on food and agricultural
products, see ISO/ASTM Practice 51900. For procedures specific to
radiation hardness testing, see ASTM Practice E1249. For procedures
specific to the dosimetry in the irradiation of insects for sterile
release programs, see ISO/ASTM Guide 51940. In those cases covered
by ISO/ASTM 51939, 51900, 51940, or ASTM E1249, those standards
take precedence.
This document is one of a set of standards that provides
recommendations for properly implementing and utilizing dosimetry
in radiation processing. It is intended to be read in conjunction
with ASTM E2628, "Practice for Dosimetry in Radiation
Processing".
This standard does not purport to address all of the safety
concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and
health practices and determine the applicability of regulatory
limitations prior to use.