This document provides the toxicological dose caculations related to the toxic chemical releases from spill accidents at T Plant Facility.
National Technical Information Service (NTIS)
Energy Citations Database
Woods Discusses "Hindsight Bias" as a Possible Outcome Related to the Space Shuttle Columbia Accident to misinterpret the conclusions of the Columbia Accident Investigation Board (CAIB), according to an Ohio State bias. Often the first question people ask about the decision making leading up to the Columbia ...
E-print Network
Accident progression perspectives were gathered from the level 2 PRA analyses (the analysis of the accident after core damage has occurred involving the containment performance and the radionuclide release from the containment) described in the IPE submittals. Insights related to the containment failure modes, the ...
DOE Information Bridge
Statistics on industrial accidents are incomplete due to lack of specific criteria on what constitutes a release or accident. In this country, most major industrial accidents were related to explosions and fires of flammable materials, not to releases of chemicals into the ...
Provides information about reporting releases. Browse these EPA Reporting subtopics Accidents Accident Preparedness, Accident Prevention, Chemical Accidents, Radiation Accidents...
Science.gov Websites
An excellent safety record has been established for the transport of commercial low-level radioactive waste. By using the Radioactive Material Incident Report data base to evaluate transportation accidents involving commercial low-level radioactive waste, it was found that there have been only four transportation accidents involving the ...
In order to estimate the potential risks due to carbon fibers (CF) released from aircraft accidents, it was necessary to quantify the probability of an accident or incident at a major hub airport. This probability was contingent upon various conditions surrounding the incident including the phase of operation, aircraft type, and the ...
NASA Astrophysics Data System (ADS)
The program covers development of safety and safety-related studies to better understand and more accurately define safety characteristics and safety margins of GCRs under postulated accident conditions. The work reported includes core seismic studies, high-temperature gas-cooled reactor (HTGR) accident initiation and progression ...
Conservatism in the calculation of the effective dose following an airborne release from an accident involving a fuel reprocessing waste tank is examined. Within the regulatory constraints at the Hanford Site, deterministic effective dose calculations are conservative by at least an order of magnitude. Deterministic calculations should be used with caution ...
PubMed
This report contains an analytical examination of fatal accidents involving liquefied petroleum gas (LPG) releases during transportation and/or transportation related storage. Principal emphasis was on accidents during the nine-year period 1971 through 1979. Fatalities to members of the general public (i.e., those ...
This report contains an analytical examination of fatal accidents involving liquefied petroleum gas (LPG) releases during transportation and/or transportation related storage. Principal emphasis was on accidents during the nine-year period 1971 to 1979. Fatalities to members of the general public (i.e., those at ...
Accidents and Acts of Terrorism? Click Here to Report Oil and Hazardous Substance Spills, Chemical Releases, Transportation Accidents, Liquid or Gas Pipeline Releases,...
Representative accident source terms patterned after the NUREG-1465 Source Term have been developed for high burnup fuel in BWRs and PWRs and for MOX fuel in a PWR with an ice-condenser containment. These source terms have been derived using nonparametric order statistics to develop distributions for the timing of radionuclide release during four ...
Accidents and potential accidents involving plutonium in processing facilities and accidents are briefly reviewed. Data available regarding plutonium aerosol released are used to access the release of plutonium aerosols in potentially serious accidents, a...
A full-scale PRA of a DOE production reactor has been completed that considers full release of tritium as part of the severe accident source term. Two classes of postulated reactor accidents, a loss-of-moderator pumping accident and a loss-of-coolant accident, are used to bound the expected ...
The proposed regulations in the Resource Conservation and Recovery Act of 1976 for hazardous waste disposal sites detail the amounts of financial responsibility required of owners or operators for sudden and non-sudden accidents at waste disposal sites. Both operating and post-closure accidents are considered. Owners or operators will obtain liability ...
It is the purpose of the NRAD to provide an analysis of the range of potential consequences of accidents which have been identified that are associated with the launching and deployment of the Galileo mission spacecraft. The specific consequences analyzed are those associated with the possible release of radioactive material (fuel) of the Radioisotope ...
This paper reviews the key parameters comprising airborne radiological and chemical release source terms, discusses the ranges over which values of these parameters occur for plausible but severe waste management facility accidents, and relates the concom...
Volume II presents the information and approach used to estimate the relative probabilities and source terms for various potential accidents postulated to result in fuel release. It then takes up the subject of the radiological analyses.
This summary by the Nuclear Regulatory Agency describes how the sequence of certain events equipment malfunctions, design-related problems and worker errors led to a partial meltdown of the TMI��ë2 reactor core but only very small off��ësite releases of radioactivity.
NSDL National Science Digital Library
This report presents supplemental information for the document Analysis of Accident Sequences and Source Terms at Waste Treatment, Storage, and Disposal Facilities for Waste Generated by US Department of Energy Waste Management Operations. Additional technical support information is supplied concerning treatment of transuranic waste by incineration and considering the ...
In support of the U.S. Department of Energy`s (DOE`s) Waste Management Programmatic Environmental Impact Statement, Argonne National Laboratory has developed WASTE-ACC, a computational framework and integrated PC-based database system, to assess atmospheric releases from facility accidents. WASTE-ACC facilitates the many calculations for the ...
A principal consideration in developing waste management strategies is the relative importance of Potential radiological and hazardous releases to the environment during postulated facility accidents with respect to protection of human health and the environment. The Office of Environmental Management (EM) within the US Department of ...
The effects of the maximum credible accident relative to the design of the containment shell are discussed. The maximum credible accident is defined. The thermal and hydraulic effects of the maximum credible accident on the reactor system were analyzed. The extent to which fuelrod cladding will melt was ...
Human health risks as a consequence of potential radiological releases resulting from plausible accident scenarios constitute an important consideration in the US Department of Energy (DOE) national program to manage the treatment, storage, and disposal of wastes. As part of this program, the Office of Environmental Management (EM) is currently preparing a ...
emergencies, and aircraft accidents. The majority of technological emergencies will .... such as HAZMAT releases, aircraft accidents, hurricane operations, ...
NASA Website
The fundamental liability of any nuclear reactor is the possibility of exposing the public and environment to an excessive level of nuclear radiation. In a previous paper, the authors addressed the risk and potential vulnerability assessment of a maximum hypothetical release accident (MHRA) for the AGN-201M reactor at the University of New Mexico. The MHRA ...
An experimental investigation of fission product release from commercial LWR fuel under accident conditions is being conducted at Oak Ridge National Laboratory (ORNL). This work, which is sponsored by the US Nuclear Regulatory Commission (NRC), is an extension of earlier experiments up to 1600/sup 0/C and is designed to obtain the experimental data needed ...
The Three Mile Island-2 accident and the ORNL response are discussed briefly. Three documents are reviewed in relation to emergency response planning for the Zimmer Nuclear Plant: NUREG-0610, NUREG-0654, and the Sequoyah emergency response plan. Distribution of potassium iodide tablets is not recommended. (DLC)
The term 'ultimate risk' is used here to describe the probabilities and radiological consequences that should be incorporated in siting, containment design and accident management of nuclear power plants for hypothetical accidents. It is closely related with the source terms specified in siting criteria which assures ...
This report describes a conceptual approach for identifying dominant contributors to risk from maritime shipping of hazardous materials. Maritime transportation accidents are relatively common occurrences compared to more frequently analyzed contributors to public risk. Yet research on maritime safety and pollution incidents has not been guided by a ...
The MELCOR code, developed by Sandia National Laboratories, is a fully integrated, relatively fast-running code that models the progression of severe accidents in commercial light water nuclear power plants (NPPs).A specific station blackout (SBO) accident for Kuosheng (BWR-6) NPP is simulated using the MELCOR 1.8.4 code. The MELCOR ...
Wanted List Safety Alerts Safety Recommendations Safety Studies Accident Investigations Current Investigations The Investigative Process Accident Dockets Accident Reports...
In this report information about the nuclear accident at Chernobyl and the radioactivity burdening of Greece from the radioactive releases of the accident are presented. The main characteristics of the RBMK-1000 reactor and the flow pattern of the radioac...
The report describes the Chernobyl accident and its consequences for Denmark in particular. It was commissioned by the Secretary of State for the Environment. The event at the accident site, the release and dispersal of radioactive substances into the atm...
The program covers development of safety and safety-related studies to better understand and more accurately define safety characteristics and safety margins of GCRs under postulated accident conditions. The work reported here includes core seismic studies, high-temperature gas-cooled reactor (HTGR) accident initiation and progression ...
The program covers development of safety and safety-related studies to better understand and more accurately define safety characteristics and safety margins of GCRs under postulated accident conditions. The work reported includes core seismic studies, high-temperature gas-cooled reactor (HTGR) accident initiation and ...
The risk of shipping propane is discussed and the risk assessment methodology is summarized. The risk assessment model has been constructed as a series of separate analysis steps to allow the risk to be readily reevaluated as additional data becomes available or as postulated system characteristics change. The transportation system and accident environment, the responses of ...
A method is developed for deriving a set of equations relating the public risk in potential nuclear reactor accidents to the basic variables, such as population distributions and radioactive releases, which determine the consequences of the accidents. The equations can be used to determine the risk for different ...
accidents, promoting transportation safety, and assisting victims of transportation accidents and their families. Resources Press Releases Speeches/Testimony Databases...
Historically, fatal accidents are relatively rare, but to witnesses their ... been gleaned frcm the reports of accidents, some of which were fatal. ...
Boys are involved in more motor vehicle accidents than are girls. Nighttime accidents account for relatively few accidents. However, severity of accident is increased at dark. A different type of accident occurs when the bicycle is used as a toy or as a m...
This report describes the results of a study to assess the risk to the general population posed by the transportation of chlorine. Here risk means the probability of a single, catastrophic accident having a large adverse impact. Chlorine vapor is toxic, the LD/sub 50/ being approximately 1000 ppm-min at concentrations above 30 to 60 ppm. In the U.S. and Canada, most ...
An analysis was performed to provide guidance to policymakers concerning the effectiveness of potassium iodide (KI) as a thyroid blocking agent in potential reactor accident situations, the distance to which (or area within which) it should be distributed, and its relative effectiveness compared to other available protective measures. The analysis was ...
... Title : Pleasure Boat Loading Related Accident Education. ... This project deals with educational solutions to loading related pleasure boat accidents. ...
DTIC Science & Technology
Page 1. Alcohol-Related Aviation Accidents Involving ... Alcohol-Related Aviation Accidents Involving Pilots With Previous Alcohol Offenses ...
Models are derived for determining the risk of release to the atmosphere of radioactive materials during nuclear waste handling. Such releases might occur in three phases of the nuclear waste handling cycle: (1) at fuel reprocessing plants during handling and interim storage, (2) during transportation to a permanent storage area, or (3) at the permanent ...
High burnup Zircaloy-clad UO{sub 2} fuel specimens have been heated to study the release of fission products in tests simulating LWR accident conditions. The dominant variable was found to be temperature, with atmosphere, time, and burnup also being significant variables. Comparison of data from tests in steam and hydrogen, at temperatures of 2000 to 2700 ...
In response to a number of specific incidents, various government agencies have directed more of their attention to the problem of chemical exposures. OSHA is reviewing its role in protecting plant employees in actual and potential chemical release situations. The purpose of the report was to gather a data set of PPE currently in use by industrial plants for the ...
An assessment is described of potential failure modes and fission product releases for a large number of postulated core meltdown accidents in a BWR with a Mark III containment. For this containment design, the most important failure mode was found to be due to hydrogen related phenomena. A one-dimensional lumped parameter computer ...
One objective of the study was to update the statistics related to alcohol-related accidents and arrests in Fayette County. The second objective was to include an analysis of speed-related accidents and citations. The number of alcohol-related accidents ...
PEAR is a digital computer program developed to calculate radiation doses to an individual or population in the path of a plume of airborne radioactive materials released into the atmosphere following an accident at a nuclear facility. The code uses the methodology described in the CSA standard N288.2 Guidelines for calculation of radiation doses to the ...
ORNL's Advanced Neutron Source (ANS) will be a new user facility for all kinds of neutron research, centered around a research reactor of unprecedented neutron beam flux. A defense-in-depth philosophy has been adopted. In response to this commitment, ANS Project management has initiated severe accident analysis and related technology development ...
ORNL`s Advanced Neutron Source (ANS) will be a new user facility for all kinds of neutron research, centered around a research reactor of unprecedented neutron beam flux. A defense-in-depth philosophy has been adopted. In response to this commitment, ANS Project management has initiated severe accident analysis and related technology development efforts ...
On October 1, 1994 a shipment of low-level waste from the Fernald Environmental Management Project, Fernald, Ohio, was involved in an accident near Rolla, Missouri. The accident did not result in the release of any radioactive material. The accident did generate important lessons learned primarily in the areas of ...
Based on a study to assess the application and utility of sheltering and evacuation as specific protective measures in the event of accidental releases of gaseous radioactive material from nuclear power plants, this report is the second of two parts that deal specifically with the effectiveness of sheltering and evacuationas protective actions. The first report focused on the ...
Perspectives on Containment Performance were obtained from the accident progression analyses, i.e. level 2 PRA analyses, found in the IPE submittals. Insights related to the containment failure modes, the releases associated with those failure modes, and the factors responsible for the types of containment failures and ...
An analysis was performed of radiological and toxicological consequences of a conservative tank bump scenario which could occur if preventative measures fail and the local sludge temperature exceed the saturation temperature for a long enough period of time to produce a release of this type. Because of the nature of the release, there are no effective ...
... RELEASE, AIR FORCE, WATER POLLUTION, AIR QUALITY, PUBLIC HEALTH, TROPOSPHERE, ROCKET PROPELLANTS, ACCIDENTS ...
Important problems associated with safety evaluation are reviewed. In contrast to absolute safety,'' the concept of social safety'' is explained and factors to compose social safety'' are evaluated. Some comments are made on the philosophy of safety evaluation. A core spray and enclosure spray systems, which are essential with ...
The program was designed to determine fission product and aerosol release rates from irradiated fuel under accident conditions, to identify the chemical forms of the released material, and to correlate the results with experimental and specimen conditions with the data from related experiments. These tests of PWR ...
A full scope Level 2 PSA was performed in 2005 for a three-loop PWR plant with spherical shell containment. New regulatory definition of large early release, and new reporting requirement related to large late release drive the technical approach in this study. New plant features, new accident management ...
Thermal-mechanical analysis of a fuel pin is an essential part of the evaluation of fuel behavior during hypothetical accident transients. The FSTATE code has been developed to provide this required computational ability in situations lacking azimuthal symmetry about the fuel-pin axis by performing 2-dimensional thermal, mechanical, and fission gas release ...
