Index Catalog // ScholarsArchive@OSU

Quantification of dry concentration factor for Cs-134 in marine diatom Thalassiosira Weissflogii

Creator:: Krzyaniak, Nathan Anthony
Abstract:: The Fukushima Daiichi nuclear disaster of 2011 made it apparent that releases of fission products to marine environments is a very real possibility. Additional data on the movement of material through marine environments can be used by radioecology personnel to assist with both ecosystem protection as well as environmental cleanup...
Resource Type:: Masters Thesis
Full Text:: Dry Concentration Factor for Cs-134 in Thalassiosira

Comparison of dosimetric modeling of the International Commission on Radiological Protection trout reference animal

Creator:: Comolli, Michelle LeAnne
Abstract:: Radiation protection has historically been from a human protection approach, therefore many studies have neglected the potential dose contribution from the gastrointestinal tract (GIT) in animal studies. The International Commission on Radiological Protection (ICRP) utilized simplified geometric shapes with Dose Conversion Factors (DCF) based on homogenized models for the trout...
Resource Type:: Masters Thesis
Full Text:: , and waterway contamination of Techa River (Ilyinskikh et al. 1999). Additionally, Mayak began

Foliar interception and uptake of ³⁶Cl by crops

Creator:: Bytwerk, David Paul
Abstract:: Greenhouse studies were conducted to determine interception, absorption, and translocation values for foliar applied ³⁶Cl. Foliar interception and uptake of contaminated irrigation water by crops is a major pathway for the transport of radionuclides to human beings in scenarios relevant to the waste disposal community. Performance assessments of many repositories...
Resource Type:: Dissertation
Full Text:: that predict doses to people from long- term geological disposal of radioactive waste are equipped to

Evaluation of the FDA derived intervention levels and exposure rate of 0.4 µR/hrusing NARAC Web Atmosphere and Diffusion Modeling System

Creator:: Hay, Tristan Ryan
Abstract:: The Oregon Department of Energy has set up recommendations for agricultural crop and non-crop embargo zones following an accidental or purposeful radioactive release. Of special interest are the FDA’s Derived Intervention Levels (DIL) and the state’s exposure limit of 0.4µR/hr. At the Oregon State University Emergency Response Research and Support...
Resource Type:: Masters Thesis
Full Text:: radioactive release. Of special interest are the FDA’s Derived Intervention Levels (DIL) and the state’s

Dose-effects relationships in non-human biota : development of field sampling, dosimetric and analytic techniques through a case study of the aquatic snail Campeloma decisum at Chalk River Laboratories

Creator:: Ruedig, Elizabeth B.
Abstract:: In the last decade regulatory bodies have begun to implement standards to protect populations of non-human biota (NHB) from the consequences of radiation exposure. This is a departure from previous regulatory frameworks which were concerned only with protecting man. The implementation of these new standards has started an ongoing discussion...
Resource Type:: Dissertation
Full Text:: particularly children, tend to be protected very strictly, so limitations on environmental contamination

Examination of uranium uptake by root vegetables and consequences for human consumption

Creator:: AlZahrani, Abdullah Bakheet
Abstract:: Uranium is the most common radionuclide that found in the nature. It is a radionuclide with a very low specific activity. There is limited data on plan uptake of uranium. This research was to determine the plant uptake of uranium, calculate the concentration ratio, and estimate the dose from eating...
Resource Type:: Masters Thesis
Full Text:: waste are hazardous, non-hazardous and radioactive waste. Naturally Occurring Radioactive Materials

An analysis of the Diablo Canyon Power Plant Radiological Environmental Monitoring Program sampling results from the Cal Poly, San Luis Obispo, dairy herd milk, post-Fukushima

Creator:: Treinen, Richard M.
Abstract:: This study focuses on iodine-131 detected in milk samples from the Dairy Science Unit at Cal Poly, San Luis Obispo, California following events at the Fukushima Dai-ichi Nuclear Power Plant in March of 2011. The samples were collected as part of the Diablo Canyon Nuclear Power Plant (DCPP) Radiological Environmental...
Resource Type:: Masters Thesis
Full Text:: deposition occurred over a short period of time, thus mimicking a single contamination event. The outcome of

Post-accident radiocesium uptake in eastern Oregon wheat crops : A preliminary estimate using a modified "PATHWAY" model

Creator:: Palotay, Joshua A.
Abstract:: An experimental environmental uptake model was developed for the purpose of estimating the final harvest concentration of contaminant following an acute accidental release of radiocesium onto an eastern Oregon winter wheat crop. The system was developed using the PATHWAY environmental uptake model as presented by Whicker and Kirchner (1987) for...
Resource Type:: Masters Thesis
Full Text:: Policy Guide (CPO) publicized in 1998 suggests limits for radioactive contamination levels in

Establishment of concentration ratios for riparian and shrub steppe areas of the eastern Washington Columbia basin

Creator:: Napier, Jonathan Bamberger
Abstract:: Concentration ratios are used to determine the transfer of nuclides from soil to biota to fauna. Some nuclides have limited associated data though, this has not prevented predictions from being performed at sites without associated data. These ratios are site specific and are not fully applicable when applied to other...
Resource Type:: Masters Thesis
Full Text:: compared to standards receiving different neutron fluxes. There is potential for contamination in

Monte Carlo derived absorbed fractions in a voxelized model of a rainbow trout

Creator:: Hess, Catherine A.
Abstract:: The International Commission on Radiological Protection (ICRP) has modeled twelve reference animals and plants (RAPs) with simple geometric shapes to be used when estimating radiation dose to non-human biota (NHB). In recent years, there has been interest in creating more realistic models in order to better understand the radiation interactions...
Resource Type:: Masters Thesis
Full Text:: with each segment as a radioactive source and also as a target. The voxel model presented herein was

ScholarsArchive@OSU

Quantification of dry concentration factor for Cs-134 in marine diatom Thalassiosira Weissflogii

Comparison of dosimetric modeling of the International Commission on Radiological Protection trout reference animal

Foliar interception and uptake of ³⁶Cl by crops

Evaluation of the FDA derived intervention levels and exposure rate of 0.4 µR/hrusing NARAC Web Atmosphere and Diffusion Modeling System

Dose-effects relationships in non-human biota : development of field sampling, dosimetric and analytic techniques through a case study of the aquatic snail Campeloma decisum at Chalk River Laboratories

Examination of uranium uptake by root vegetables and consequences for human consumption

An analysis of the Diablo Canyon Power Plant Radiological Environmental Monitoring Program sampling results from the Cal Poly, San Luis Obispo, dairy herd milk, post-Fukushima

Post-accident radiocesium uptake in eastern Oregon wheat crops : A preliminary estimate using a modified "PATHWAY" model

Establishment of concentration ratios for riparian and shrub steppe areas of the eastern Washington Columbia basin

Monte Carlo derived absorbed fractions in a voxelized model of a rainbow trout

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