Assessment of doses from ingestion of contaminated agricultural products due to radioactive deposition

Rhea Kakko, Jouni Partanen

Research output: Book/ReportReportProfessional

Abstract

The releases of radioactive materials to the atmosphere can result in radiation exposure via several exposure pathways. The most important of those are external radiation from the radioactive cloud and from the contaminated ground, exposure to inhaled radionuclides and internal exposure to ingested contaminated food products. In the Nuclear Engineering Laboratory of the Technical Research Centre of Finland the code ARANO (Assessment of Risks of Accidents and Normal Operation) was developed to estimate radiation doses from radioactive releases and health effects to people and also economic losses due to radioactive contamination. The nutrition dose model AGRID, which is used to calculate internal dose from ingestion of contaminated food, is introduced in this report. The developed nutrition model is based on the English FOOD-MARC model, which is aimed for the same kind of assessment. However, the AGRID model includes some entirely new features. The dependence of the nutrition dose on the season, when the release has occurred, is the most important of these new features, especially applied to the Nordic countries. The five pathways, used to represent the transfer of radioactive material to man in the AGRID model, are: green vegetables, grain products, root vegetables, milk and meat from cattle. The weighted effective dose and also the thyroid dose from milk consumption can be obtained. The significance of radiation doses from the consumption of food stuffs in total dose due to the radioactive release has been studied with some examples. Generally, nutrition pathway proved out to be an important one. Especially concerning less severe releases, which will not result in any countermeasures, the dose via ingestion can be even 75 % of the total collective dose received during a few decades. As a result of severe accidents the collective nutrition dose would be reduced by ordering countermeasures for consumption of contaminated food products from cultivations. These countermeasures will, however, cause considerable economic losses.
Original languageEnglish
Place of PublicationEspoo
PublisherVTT Technical Research Centre of Finland
Number of pages58
ISBN (Print)951-38-2347-4
Publication statusPublished - 1985
MoE publication typeNot Eligible

Publication series

NameTutkimuksia / Valtion teknillinen tutkimuskeskus
PublisherVTT
Volume292

Fingerprint

nutrition
milk
accident
root vegetable
agricultural product
dose
radiation exposure
economics
meat
radionuclide
cattle
engineering
food
atmosphere
consumption
exposure
food product
radiation dose
material
loss

Keywords

  • radioactive wastes
  • radiation dosage
  • food

Cite this

Kakko, R., & Partanen, J. (1985). Assessment of doses from ingestion of contaminated agricultural products due to radioactive deposition. Espoo: VTT Technical Research Centre of Finland. Valtion teknillinen tutkimuskeskus. Tutkimuksia - Research Reports, No. 292
Kakko, Rhea ; Partanen, Jouni. / Assessment of doses from ingestion of contaminated agricultural products due to radioactive deposition. Espoo : VTT Technical Research Centre of Finland, 1985. 58 p. (Valtion teknillinen tutkimuskeskus. Tutkimuksia - Research Reports; No. 292).
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Kakko, R & Partanen, J 1985, Assessment of doses from ingestion of contaminated agricultural products due to radioactive deposition. Valtion teknillinen tutkimuskeskus. Tutkimuksia - Research Reports, no. 292, VTT Technical Research Centre of Finland, Espoo.

Assessment of doses from ingestion of contaminated agricultural products due to radioactive deposition. / Kakko, Rhea; Partanen, Jouni.

Espoo : VTT Technical Research Centre of Finland, 1985. 58 p. (Valtion teknillinen tutkimuskeskus. Tutkimuksia - Research Reports; No. 292).

Research output: Book/ReportReportProfessional

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N2 - The releases of radioactive materials to the atmosphere can result in radiation exposure via several exposure pathways. The most important of those are external radiation from the radioactive cloud and from the contaminated ground, exposure to inhaled radionuclides and internal exposure to ingested contaminated food products. In the Nuclear Engineering Laboratory of the Technical Research Centre of Finland the code ARANO (Assessment of Risks of Accidents and Normal Operation) was developed to estimate radiation doses from radioactive releases and health effects to people and also economic losses due to radioactive contamination. The nutrition dose model AGRID, which is used to calculate internal dose from ingestion of contaminated food, is introduced in this report. The developed nutrition model is based on the English FOOD-MARC model, which is aimed for the same kind of assessment. However, the AGRID model includes some entirely new features. The dependence of the nutrition dose on the season, when the release has occurred, is the most important of these new features, especially applied to the Nordic countries. The five pathways, used to represent the transfer of radioactive material to man in the AGRID model, are: green vegetables, grain products, root vegetables, milk and meat from cattle. The weighted effective dose and also the thyroid dose from milk consumption can be obtained. The significance of radiation doses from the consumption of food stuffs in total dose due to the radioactive release has been studied with some examples. Generally, nutrition pathway proved out to be an important one. Especially concerning less severe releases, which will not result in any countermeasures, the dose via ingestion can be even 75 % of the total collective dose received during a few decades. As a result of severe accidents the collective nutrition dose would be reduced by ordering countermeasures for consumption of contaminated food products from cultivations. These countermeasures will, however, cause considerable economic losses.

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KW - food

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BT - Assessment of doses from ingestion of contaminated agricultural products due to radioactive deposition

PB - VTT Technical Research Centre of Finland

CY - Espoo

ER -

Kakko R, Partanen J. Assessment of doses from ingestion of contaminated agricultural products due to radioactive deposition. Espoo: VTT Technical Research Centre of Finland, 1985. 58 p. (Valtion teknillinen tutkimuskeskus. Tutkimuksia - Research Reports; No. 292).