Preliminary assessment of current radiation doses to the population of Brodokalmak from contamination of the Techa River

T. Cabianca, Antony Bexon, V. Pozolotina, A. Trapeznikov, J. Simmonds

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Significant quantities of liquid radioactive waste were discharged to the Techa River in the southern Urals region of Russia in the early years of operation of the Mayak PA plant (1948-1951). A collaborative project is underway under contract to the European Commission to consider the radiological impact of radioactive contamination in the Southern Urals. Part of this project involves the calculation of radiation doses currently received by the population of Brodokalmak on the Techa river. The assessment made use of local data on the habits of the population and measurements of radionuclide activity concentrations in food and water. Exposure pathways included in the assessment were ingestion of foods and external exposure to gamma radiation from radionuclides deposited on the banks of the river. A range of doses was calculated for different age groups, firstly, assuming that the restrictions in place are retained and, secondly, assuming that there are no restrictions. These restrictions include bans on drinking river water, fishing and bathing in the river and the prohibition of use of the river and surrounding flood plains by humans and cattle. With restrictions the highest dose estimated was 0.56mSvy-1 for the most exposed adults and without restrictions this increased to 3.4mSvy-1. Copyright (C) 2000.

Original languageEnglish
Pages (from-to)193-206
Number of pages14
JournalJournal of Environmental Radioactivity
Volume50
Issue number3
DOIs
Publication statusPublished - Sep 2000

Keywords

  • Radiation doses
  • Radiocaesium
  • Radiostrontium
  • Russia
  • Techa

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