Iodine-131 Releases from Radioactive Lanthanum Processing at the X-10 Site in Oak Ridge, Tennessee (1944-1956)- An Assessment of Quantities released, Off-Site Radiation Doses, and Potential Excess Risks of Thyroid Cancer, Volume 1

Apostoaei, A. Iulian; Burns, R. E.; Hoffman, F.O.; Ijaz, T.; Lewis, C.J.; Nair, Shyam K.; Widner, T.E.

doi:10.2172/775588

Cited by 5 publications

(3 citation statements)

References 39 publications

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“…Typically, dairy animals fed fresh pasture are of the highest concern, as the radioactivity deposited directly on vegetation could be consumed immediately, transfer of radioactivity to milk can be substantial, and consumption of milk can occur within days. For backyard cows and for dairy goats, transfer of radioiodine is typically higher than for commercial dairy cows (Table 13 ; see also Simon et al 1990 ; NCI 1997 ; Apostoaei et al 1999 ), and the milk may be consumed much sooner after collection than is the case for commercially produced milk. Other livestock that may need to be considered include beef cattle, swine, sheep, goats, and poultry.…”

Section: Feed Consumption By Livestockmentioning

confidence: 99%

Parameter Values for Estimation of Internal Doses from Ingestion of Radioactive Fallout from Nuclear Detonations

et al. 2022

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This paper suggests values or probability distributions for a variety of parameters used in estimating internal doses from radioactive fallout due to ingestion of food. Parameters include those needed to assess the interception and initial retention of radionuclides by vegetation, translocation of deposited radionuclides to edible plant parts, root uptake by plants, transfer of radionuclides from vegetation into milk and meat, transfer of radionuclides into non-agricultural plants and wildlife, and transfer from food and drinking water to mother's milk (human breast milk). The paper includes discussions of the weathering half-life for contamination on plant surfaces, biological half-lives of organisms, food processing (culinary factors), and contamination of drinking water. As appropriate, and as information exists, parameter values or distributions are specific for elements, chemical forms, plant types, or other relevant characteristics. Information has been obtained from the open literature and from publications of the International Atomic Energy Agency. These values and probability distributions are intended to be generic; they should be reviewed for applicability to a given location, time period, or season of the year, as appropriate. In particular, agricultural practices and dietary habits may vary considerably both with geography and over time in a given location.

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Section: Feed Consumption By Livestockmentioning

confidence: 99%

Parameter Values for Estimation of Internal Doses from Ingestion of Radioactive Fallout from Nuclear Detonations

et al. 2022

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“…The integrated source term for each radionuclide of interest in this work was then used as input for the dispersion model as shown in Table 5. The two radionuclides were selected based on their physical and chemical properties (Apostoaei et al, 1999 andBirikorang et al, 2015). They were also based on their contributions to various measures of a dose (thyroid, bone marrow, collective effective dose, etc.).…”

Section: Radiation Dose Estimationmentioning

confidence: 99%

Radiological Dose Assessment for the Ghana Research Reactor-1 at Shutdown Using Dispersion Model: Conversion from High-Enriched Uranium to Low-Enriched Uranium Fuel

Birikorang

Abrefah²,

Obeng³

2018

EREM

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Ghana Research Reactor-1 is a miniature neutron source reactor (MNSR) which is currently fuelled with highly-enriched uranium (HEU) aluminium alloy fuel. Efforts are underway to convert the research reactor fuel to low-enriched uranium (LEU) oxide fuel. The project is coordinated research work funded by the International Atomic Energy Agency (IAEA) through its Coordinated Research Project (CRP) on Core Conversion. The research project was started with thermal hydraulic and neutronic calculation on both fuels. Radiological dose assessment as part of a safety assessment requirement needs to be carried out before the commencement of the core conversion project.

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“…Quantitative uncertainty analysis was first applied to the air-pasture-cow-milk exposure pathway for 13I I to estimate thyroid dose [4,5]. Recently, uncertainty analysis has been extended to estimates of the excess lifetime risk of thyroid cancer and other neoplasms, as well as to the probability that disease was caused by past exposure [6]. As the result of legislation in the U.S., eligibility for compensation for potential radiation induced cancers will be based on uncertainty analysis of the probability of causation (PC).…”

Section: Introductionmentioning

confidence: 99%

The public health implications of combined exposure to multiple sources of¹³¹I released during the Cold War Era: Extension of dose reconstruction to risk analysis and beyond

2002

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Abstract. During the past 15 years, doses have been reconstructed to members of the public who were exposed to radiation released from Cold War Era government facilities that supported the development and testing of nuclear weapons. A major component of these exposures resulted from releases of iM I to the atmosphere. This paper addresses the public health implications of the combined exposures from the production of radioactive lanthanum at Oak Ridge which released and l31 I deposited in the regions around Oak Ridge resulting from atmospheric weapons testing at the Nevada Test Site. Full application of uncertainty analysis is used to quantify estimates of thyroid dose, the excess lifetime risk of thyroid neoplasms, the risk of non-neoplastic disease at high exposures, and the probability that past exposure could be responsible for present thyroid disease. The results show that fallout l31 I is a substantial contributing factor to the total exposure and excess risk of thyroid cancer for those exposed as children residing downwind of local government installations. For many persons exposed in childhood, the upper confidence limit of the estimate of PC may exceed 50%, regardless of the location where milk was produced.

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Iodine-131 Releases from Radioactive Lanthanum Processing at the X-10 Site in Oak Ridge, Tennessee (1944-1956)- An Assessment of Quantities released, Off-Site Radiation Doses, and Potential Excess Risks of Thyroid Cancer, Volume 1

Cited by 5 publications

References 39 publications

Parameter Values for Estimation of Internal Doses from Ingestion of Radioactive Fallout from Nuclear Detonations

Parameter Values for Estimation of Internal Doses from Ingestion of Radioactive Fallout from Nuclear Detonations

Radiological Dose Assessment for the Ghana Research Reactor-1 at Shutdown Using Dispersion Model: Conversion from High-Enriched Uranium to Low-Enriched Uranium Fuel

The public health implications of combined exposure to multiple sources of¹³¹I released during the Cold War Era: Extension of dose reconstruction to risk analysis and beyond

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Iodine-131 Releases from Radioactive Lanthanum Processing at the X-10 Site in Oak Ridge, Tennessee (1944-1956)- An Assessment of Quantities released, Off-Site Radiation Doses, and Potential Excess Risks of Thyroid Cancer, Volume 1

Cited by 5 publications

References 39 publications

Parameter Values for Estimation of Internal Doses from Ingestion of Radioactive Fallout from Nuclear Detonations

Parameter Values for Estimation of Internal Doses from Ingestion of Radioactive Fallout from Nuclear Detonations

Radiological Dose Assessment for the Ghana Research Reactor-1 at Shutdown Using Dispersion Model: Conversion from High-Enriched Uranium to Low-Enriched Uranium Fuel

The public health implications of combined exposure to multiple sources of131I released during the Cold War Era: Extension of dose reconstruction to risk analysis and beyond

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The public health implications of combined exposure to multiple sources of¹³¹I released during the Cold War Era: Extension of dose reconstruction to risk analysis and beyond