Organically-bound tritium (OBT) dispersion and accumulation in Severn Estuary sediments. Contract RP01034: report to the Food Standards Agency
Organically-bound tritium (OBT) dispersion and accumulation in Severn Estuary sediments. Contract RP01034: report to the Food Standards Agency
Discharges of tritium from UK nuclear and non-nuclear sites are usually assumed to be in the form of tritiated water (HTO). However, a proportion of HTO may be converted to organically bound tritium (OBT). Discharges from Nycomed Amersham (Cardiff) are unusual in that they contain tritium specifically as OBT, but marine dispersion modelling, and dose assessments, are based on tritiated water.
The behaviour of OBT in the environment would be different from HTO. Little is known about the proportion of OBT present in foodstuffs, but the committed effective dose from OBT is higher than that from a comparable activity of HTO. The project will enable the assessment of the specific impact of OBT in critical group dose assessments.
Croudace, I.W.
24deb068-d096-485e-8a23-a32b7a68afaf
Warwick, P.E.
f2675d83-eee2-40c5-b53d-fbe437f401ef
2009
Croudace, I.W.
24deb068-d096-485e-8a23-a32b7a68afaf
Warwick, P.E.
f2675d83-eee2-40c5-b53d-fbe437f401ef
Croudace, I.W. and Warwick, P.E.
,
Food Standards Agency
(2009)
Organically-bound tritium (OBT) dispersion and accumulation in Severn Estuary sediments. Contract RP01034: report to the Food Standards Agency
London, GB.
Food Standards Agency
Record type:
Monograph
(Project Report)
Abstract
Discharges of tritium from UK nuclear and non-nuclear sites are usually assumed to be in the form of tritiated water (HTO). However, a proportion of HTO may be converted to organically bound tritium (OBT). Discharges from Nycomed Amersham (Cardiff) are unusual in that they contain tritium specifically as OBT, but marine dispersion modelling, and dose assessments, are based on tritiated water.
The behaviour of OBT in the environment would be different from HTO. Little is known about the proportion of OBT present in foodstuffs, but the committed effective dose from OBT is higher than that from a comparable activity of HTO. The project will enable the assessment of the specific impact of OBT in critical group dose assessments.
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Published date: 2009
Organisations:
Geochemistry
Identifiers
Local EPrints ID: 354412
URI: http://eprints.soton.ac.uk/id/eprint/354412
PURE UUID: 2def87fd-0664-46ae-ae06-4596b31cff70
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Date deposited: 10 Jul 2013 15:57
Last modified: 13 Oct 2022 01:34
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Corporate Author: Food Standards Agency
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