Evaluating Plutonium Intake and Radiation Dose Following Extensive Chelation Treatment

Health Physics
Sara DumitSergei Y Tolmachev

Abstract

A voluntary partial-body donor (US Transuranium and Uranium Registries case 0785) was accidentally exposed to Pu via inhalation and wounds. This individual underwent medical treatment including wound excision and extensive chelation treatment with calcium ethylenediaminetetraacetic acid and calcium diethylenetriaminepentaacetic acid. Approximately 2.2 kBq of Pu was measured in the wound site 44 y after the accident. Major soft tissues and selected bones were collected at autopsy and radiochemically analyzed for Pu, Pu, and Am. Postmortem systemic retention of Pu, Pu, and Am was estimated to be 32.0 ± 1.4 Bq, 2,172 ± 70 Bq, and 394 ± 15 Bq, respectively. Approximately 3% of Pu whole-body activity was still retained in the lungs 51 y after the accident indicating exposure to insoluble plutonium material. To estimate the intake and calculate radiation dose, urine measurements not affected by chelation treatment, in vivo chest counts, and postmortem radiochemical analysis data were simultaneously fitted using Integrated Modules for Bioassay Analysis Professional Plus software. The currently recommended International Commission on Radiological Protection Publication 130 human respiratory tract model and National Council on Radiation...Continue Reading

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Apr 27, 2016·Health Physics·Estelle DavesneDidier Franck
Oct 7, 2017·Radiation Protection Dosimetry·Maia AvtandilashviliSergei Y Tolmachev
Nov 30, 2018·Health Physics·Bastian BreustedtSergei Y Tolmachev

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Citations

Nov 30, 2018·Health Physics·Bastian BreustedtSergei Y Tolmachev
Dec 14, 2018·Journal of Radiological Protection : Official Journal of the Society for Radiological Protection·Deepesh PoudelTom L Waters
May 26, 2021·Journal of Radiological Protection : Official Journal of the Society for Radiological Protection·Maia Avtandilashvili, Sergei Y Tolmachev
Nov 14, 2020·Journal of Radiological Protection : Official Journal of the Society for Radiological Protection·Deepesh PoudelSergei Y Tolmachev

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