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An analysis of the viability of ranked set sample methodologies based on the evaluation of Dyess AFB B-47 crash site radiological contamination survey data and theoretical modifications

Creator:: Miller, Vivien J.
Abstract:: Since Ranked Set Sampling (RSS) was proposed in 1952 by G.A. McIntyre, it has been the subject of many statistical investigations and a large number of field studies. Throughout these studies RSS has been proven to provide a better estimate of population the mean and variance than Simple Random Sampling...
Resource Type:: Masters Thesis
Full Text:: ....................................... 25 2.5 Properties of Radioactive Contaminants at the Dyess Survey

Application of autoradiographic techniques for contaminant distribution studies in soils

Creator:: Povetko, Oleg G.
Abstract:: In order to determine the physical location of contaminants in soil, two solidified soil "thin" sections, which preserve the undisturbed structural characteristics of the original soil, containing weapons-grade plutonium from the Rocky Flats Environmental Test Site were prepared. Two autoradiographic methods were used in radionuclide mapping: contact autoradiography using CR-39®...
Resource Type:: Dissertation
Full Text:: distribution with depth of soil (error bars: +1- size measurement propagation errors

An investigation of radioactively contaminated wastewater reclamation plant biosolids

Creator:: Brannan, C. Thomas
Abstract:: Within the last 15 years, wastewater treatment plants have increasingly begun to find radioactive isotopes incorporated in biosolids. Regulations concerning the disposal of radioactive material via sanitary sewer systems were in place since the early 1960's and recently were further restricted. However, the updated regulations would not have prevented certain...
Resource Type:: Masters Thesis
Full Text:: radioactive isotopes incorporated in biosolids. Regulations concerning the disposal of radioactive material

Environmental pathway analysis of a radioactive zirconium sand uploading facility

Creator:: Miller, Robert E.
Abstract:: The Teledyne Wah Chang facility is a manufacturer of the rare metal zirconium. The facility has been in constant production since 1956. In 1973 an attempt to utilize different sand ore sources from Nigeria and India in a new carbiding process, prior to chlorination, failed. The resulting byproducts of the...
Resource Type:: Masters Thesis
Full Text:: Pathway Analysis of a Radioactive Zirconium Sand Unloading FacilitL Abstract approved: Kathryn A

Environmental assessment of soils contaminated with ₂₃₈U and/or ₉₀Sr via scintillation technology : Fernald Incinerator Site- a case study

Creator:: Martin-Bandin, Fernando
Resource Type:: Masters Thesis
Full Text:: global trends, pockets of high and low radioactive pollution levels, correlated data, skewed data sets

Development and Application of Voxelized Dosimetric Models for Biota : Characterization of the Uncertainty in the International Commission on Radiological Protection's Wildlife Dosimetry System

Creator:: Caffrey, Emily Amanda
Abstract:: A system for radiological dosimetry for nonhuman biota developed by International Commission on Radiological Protection (ICRP) relies on calculations that utilize the Monte Carlo simulations of simple, ellipsoidal geometries with internal radioactivity distributed homogeneously throughout. In this manner it is quick and easy to estimate whole-body dose rates to biota....
Resource Type:: Dissertation
Full Text:: homogeneous versus particulate lung dose rates resulting from exposures to small, highly radioactive

Radiologic sampling of surface soils near a USEPA superfund site

Creator:: Blakeman, Christopher John
Abstract:: The human health effects of acute exposure to high levels of ionizing radiation are well understood; however, when these irradiations occur at low levels, there is controversy as to their potential health threat (BEIR V, 1990). For individuals living in areas where the level of naturally occurring background radiation is...
Resource Type:: Masters Thesis
Full Text:: to their radioactive decay. These contaminants, through the process of radioactive decay, 13 may

A comparison of theoretical decay heat calculations and experimental data

Creator:: Bjerke, Michael Alan
Abstract:: The experimental measurements of the decay heat from the products of the thermal fission of U-235 have been compared with the OSU-proposed decay heat standard. These experiments are intended to verify the decay heat calculational methods and nuclear data files. The comparisons have included the previous experiments reviewed by Perry...
Resource Type:: Masters Thesis
Full Text:: betas, the entire measurement was repeated with a beta absorber between the second transmission counter

Correlation analysis of decay heat experiments and summation calculations

Creator:: Wong, Bright M. K.
Abstract:: There are two primary methods of determining the decay heat generated after the shutdown of a nuclear reactor. One of these methods is integral experimental measurement of decay heat from the products of thermal-neutron fission of 235 U. The other method is a summation calculation (computer codes) based on nuclear...
Resource Type:: Masters Thesis
Full Text:: reactor. One of these methods is integral experimental measurement of decay heat from the products of

Measurement of moisture content in unknown mixtures using the freezing process

Creator:: Pagh, Richard T.
Abstract:: Safety concerns at the Hanford Reservation require a way to measure the moisture content of material contained in the high level radioactive waste tanks. The freezing of material next to a probe was proposed by scientists at Pacific Northwest Laboratories (PNL) as one approach to solve this problem. It was...
Resource Type:: Masters Thesis
Full Text:: Measurement of moisture content in unknown mixtures using the

ScholarsArchive@OSU

An analysis of the viability of ranked set sample methodologies based on the evaluation of Dyess AFB B-47 crash site radiological contamination survey data and theoretical modifications

Application of autoradiographic techniques for contaminant distribution studies in soils

An investigation of radioactively contaminated wastewater reclamation plant biosolids

Environmental pathway analysis of a radioactive zirconium sand uploading facility

Environmental assessment of soils contaminated with ₂₃₈U and/or ₉₀Sr via scintillation technology : Fernald Incinerator Site- a case study

Development and Application of Voxelized Dosimetric Models for Biota : Characterization of the Uncertainty in the International Commission on Radiological Protection's Wildlife Dosimetry System

Radiologic sampling of surface soils near a USEPA superfund site

A comparison of theoretical decay heat calculations and experimental data

Correlation analysis of decay heat experiments and summation calculations

Measurement of moisture content in unknown mixtures using the freezing process

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