Ingestion dose coefficients
著者
書誌事項
Ingestion dose coefficients
（ICRP publication, 67,
Published for the International Commission on Radiological Protection by Pergamon Press, 1994-1995
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注記
"Radiation protection."
[v. 1]. "Adopted by the Commission in April 1993."
[v. 2]. "Adopted by the Commission in July 1994."
Includes bibliographical references
内容説明・目次
- 巻冊次
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[v. 1] ISBN 9780080411552
内容説明
In March 1987 the International Commission on Radiological Protection established a Task Group of Committee 2 "to evaluate dose per unit intake for members of the public". In this, the second of two reports given by the Task Group, ingestion dose coefficients are given for isotopes of sulphur, cobalt, nickel, zinc, molybdenum, technetium, silver, tellurium and polonium using the new tissue weighting factors (wT) given by the Commission in its 1990 Recommendations. Revised ingestion dose coefficients are also included for the radioisotopes given in Part 1 using the new wT values. In addition, ingestion dose coefficients are given for further radioisotopes. A generic model for the biokinetics of lead and the alkaline earths strontium, barium and radium has been introduced for calculating ingestion dose coefficients for radioisotopes of these elements. This model has been applied to the recalculation of the ingestion dose coefficients for Sr-90, the only strontium isotope considered in Part 1.
The ICRP has now given new wT values for the urinary bladder and colon, and new information has become available on the biokinetics of plutonium, americium and neptunium in humans. As a result the Task Group considered it appropriate to revise the biokinetic models for these elements given in Part 1.
目次
Preface. Glossary of Terms. Introduction. Computation of Age-dependent Effective Dose Coefficients. Biokinetic Data and Ingestion Dose Coefficients. Sulphur. Cobalt. Nickel. Zinc. Strontium. Molybdenum. Technetium. Silver. Tellurium. Barium. Lead. Polonium. Radium. Appendix A: Age-specific Biokinetic Models for the Alkaline Earth Elements and Lead. Appendix B: Age-specific Biokinetic Models for Plutonium, Americium, and Neptunium. Appendix C: Age-specific Biokinetic Data and Dose Coefficients for Radioisotopes of Hydrogen, Carbon, Zirconium, Niobium, Ruthenium, Iodine, Caesium, Cerium, Plutonium, Americium, and Neptunium.
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[v. 2] ISBN 9780080426587
内容説明
Ingestion Dose Coefficients The present report on age dependent dose coefficients to members of the public follows ICRP Publications 56 and 67. The following elements are covered: iron, selenium, antimony, thorium and uranium. This report gives parameters for the tissue distribution and retention of these elements together with data on urinary and faecal excretion. Dose coefficients have been calculated for radioisotopes of these elements which are expected to be released into the environment as a result of human activities and are considered to be of significance for environmental radiation protection purposes. The generic model structure for plutonium, americium and neptunium given in ICRP Publication 67 has been applied to thorium; the generic model structure for the alkaline earths given in ICRP Publication 67 has been applied to uranium. Where no clear evidence on age dependence of organ distribution and retention appeared to be available, the biokinetic data for adults were adopted for infants and children. This assumption was made in ICRP Publications 56 and 67, and is usually expected to lead to an overestimate of the dose coefficient. If no relevant biokinetic data were found for humans, appropriate data were based on animal experiments as far as possible.
目次
Chapter headings: Preface. Glossary of Terms. Introduction. Computation of Age-dependent Effective Dose Coefficients. Biokinetic Data and Ingestion Dose Coefficients. Preface. Iron. Selenium. Antimony. Thorium. Uranium
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