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Title: Iodine-129 Dose in LLW Disposal Facility Performance Assessments

Abstract

Iodine-129 has the lowest Performance Assessment derived inventory limit in SRS disposal facilities. Because iodine is concentrated in the body to one organ, the thyroid, it has been thought that dilution with stable iodine would reduce the dose effects of 129I.Examination of the dose model used to establish the Dose conversion factor for 129I shows that, at the levels considered in performance assessments of low-level waste disposal facilities, the calculated 129I dose already accounts for ingestion of stable iodine. At higher than normal iodine ingestion rates, the uptake of iodine by the thyroid itself decrease, which effectively cancels out the isotopic dilution effect.

Authors:
Publication Date:
Research Org.:
Savannah River Site (US)
Sponsoring Org.:
US Department of Energy (US)
OSTI Identifier:
13860
Report Number(s):
WSRC-RP-98-01352
TRN: US0110815
DOE Contract Number:  
AC09-96SR18500
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: 15 Oct 1999
Country of Publication:
United States
Language:
English
Subject:
12 MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; 61 RADIATION PROTECTION AND DOSIMETRY; IODINE 129; PERFORMANCE; THYROID; RADIOACTIVE WASTE DISPOSAL; SAVANNAH RIVER PLANT; RADIOACTIVE WASTE FACILITIES; RADIATION DOSES; LOW-LEVEL RADIOACTIVE WASTES; ISOTOPE DILUTION

Citation Formats

Wilhite, E.L. Iodine-129 Dose in LLW Disposal Facility Performance Assessments. United States: N. p., 1999. Web. doi:10.2172/13860.
Wilhite, E.L. Iodine-129 Dose in LLW Disposal Facility Performance Assessments. United States. doi:10.2172/13860.
Wilhite, E.L. Fri . "Iodine-129 Dose in LLW Disposal Facility Performance Assessments". United States. doi:10.2172/13860. https://www.osti.gov/servlets/purl/13860.
@article{osti_13860,
title = {Iodine-129 Dose in LLW Disposal Facility Performance Assessments},
author = {Wilhite, E.L.},
abstractNote = {Iodine-129 has the lowest Performance Assessment derived inventory limit in SRS disposal facilities. Because iodine is concentrated in the body to one organ, the thyroid, it has been thought that dilution with stable iodine would reduce the dose effects of 129I.Examination of the dose model used to establish the Dose conversion factor for 129I shows that, at the levels considered in performance assessments of low-level waste disposal facilities, the calculated 129I dose already accounts for ingestion of stable iodine. At higher than normal iodine ingestion rates, the uptake of iodine by the thyroid itself decrease, which effectively cancels out the isotopic dilution effect.},
doi = {10.2172/13860},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1999},
month = {10}
}