... Title : Accidental Coincidences in the Electron Spectrometer ... Descriptors : (*NUCLEAR RADIATION SPECTROMETERS, SPACEBORNE), (*SPACE ...
DTIC Science & Technology
...2011-04-01 false Reporting of accidental radiation occurrences. 1002.20 Section 1002...Manufacturers' Reports on Accidental Radiation Occurrences § 1002.20 Reporting of accidental radiation occurrences. (a)...
Code of Federal Regulations, 2011
... Title : PROTECTIVE MEASURES AGAINST ACCIDENTAL DECOMPRESSION IN SPACE AND ... 3) use of the airlock as a radiation shelter during ...
Activities in the following fields are summarized: plutonium scrap processing, process technology, plutonium trenches and soils, prevention of accidental release, environmental evaluations, and radiation monitoring. (DLC)
DOE Information Bridge
... in the research portfolio addressing radiological and nuclear terrorism would benefit the general population in case of a radiological terrorism event or a large-scale accidental event as ... ...
NBII National Biological Information Infrastructure
The aim of this work was to evaluate and follow up the evolution of radiation damage in two victims of a radiation accident. Blood samples were used for cytogenetic evaluation of radiation dose and heterogeneity. The radiation dose estimates were 1 Gy and 2.3 Gy in the two ...
PubMed
Indicators such as clonogenic survival, transformation, and chromosomal aberrations are used to evaluate the effects of radiation on cells. Apoptosis, another such indicator, is a mode of cell death, and radiation-induced apoptosis contributes to eliminating damaged cells and preventing malformation and carcinogenesis. Understanding ...
... Abstract : Accidental or intentional release of radiation may result in catastrophic consequences to urban and suburban populations. ...
... Accidental release from a nuclear reactor or a nuclear weapons plant A lot of radiation over a short period can cause burns or ...
MedlinePLUS
A system of dosimetry for persons involved in accidental criticality excursions is presented as part A of a two part report. The information is arranged to be useful as a reference for those responsible for implementing the system. Part A also contains a review and re-evaluation of the dosimetry of previous accidents and a synopsis of part B. ...
Energy Citations Database
Widespread use of radionuclides in medicine and industry poses the possibility of radiation accidents. The authors describe such an occurrence involving three industrial workers. The accident resulted from careless handling of a Cs-137 source. Evaluation of the Cs-137 whole body burden was carried out using stationary and scanning whole body counters. In ...
A concerted action, termed METREPOL, was accepted by the Commission of the European Communities and was started in December 1997. Its purpose was to develop a new approach to the medical management of radiation accident victims with respect to diagnostic procedures and therapeutic options, based on recognition and evaluation of health impairments after ...
Mammalian radiobiology is reviewed as it is applicabel to man from the standpoint of military applications. The primary sources of the information summarized include the Atomic Bomb Casualty Commission evaluation of results of Hiroshima and Nagasaki, evaluation of results of the accidental exposure of the Marshallese during ...
... Abstract : The International Maritime Organization (IMO) sponsored model tests to help in their evaluation of accidental oil spillage from a Mid-Deck ...
Much of the information on the health effects of radiation exposure available to date comes from long-term studies of the atomic bombings in Hiroshima and Nagasaki. Accidental exposures, such as those resulting from the Chernobyl and Kyshtym accidents, have as yet provided little information concerning health effects of ionizing ...
PubMed Central
A general model is presented for evaluating the accidental risk of radiological exposure to the population from a boiling water reactor, where accidental risk is defined as the sum of the products of the probabilities and the consequences for all conceiva...
National Technical Information Service (NTIS)
... theoretical models for duct acoustic propagation and radiation; .... It was the first ever accidental catastrophic destruction of an operational ...
NASA Website
... Abstract : This report is a summary of the USAF Air Force experience in the realm of accidental overexposures to radiofrequency radiation (RFR). ...
... of a warhead section adaption kit in an accidental fire environment has ... The effects of radiation, conduction and convection are included, as well as ...
Data from human radiation accident victims, patients undergoing therapeutic whole-body irradiation, and astronauts during space flight are reviewed for radiation dose response relationships. The effects of whole-body irradiation at various doses and dose rates on the hematopoietic system, response to physiological stress, and gastrointestinal side effects ...
... Title : Radio frequency radiation of millimeter wave length: potential occupational ... that hazards might be associated with accidental overexposure ...
of bone marrow damage in accidental/intentional irradiations, the stimulation of residual stem cells using granulocyte Colony-stimulating factor remains the therapeutic standard...
Science.gov Websites
radiation syndrome. Some attention needs to be given to the prediction and control of biological effects which could occur during such an accidental ...
The estimation of radiation dose to man from either external or internal exposure to radionuclides requires a knowledge of the energies and intensities of the atomic and nuclear radiations emitted during the radioactive decay process. The availability of evaluated decay data for the large number of radionuclides of interest is thus of ...
A computer program, SUBDOSA, has been developed for calculating external gamma and beta doses to individuals from the accidental release of radionuclides to the atmosphere. Characteristics of SUBDOSA are: (1) Doses from both gamma and beta radiation are c...
This report presents an historical account of the experiences of the Brookhaven Medical team in the examination and treatment of the Marshallese people following their accidental exposure to radioactive fallout in 1954. This is the first time that a popul...
Evacuation of the population in the vicinity of a nuclear power plant following an accidental release of radioactivity into the atmosphere, is one of the protective means which might reduce the radiation doses and radiological effects caused to the popula...
... AN EVALUATION OF THE RADIATION HAZARD DUE TO ... INSTRUMENTS, RADIATION DOSAGE, RADIATION HAZARDS, ALPHA PARTICLES ...
... warfare, joint planning, national and international ... Staff and other US Military (ie ... TEST AND EVALUATION, *IGNITION, *ACCIDENTS, PACKAGING ...
... exposure levels for microwave irradiation is important since new, more powerful emitters are developed and the potential for accidental exposure is ...
Studies of the effects of ionizing radiations in animals are of limited value for human medicine as the results cannot be reliably extrapolated to man. It is therefore essential to extract the maximum amount of information from the relatively few observations on persons accidentally exposed to high doses of radiation and those ...
In Environmental Sciences Division annual progress report for period ending September 30, 1973. In aquatic ecosystem studies, investigations were carried out in radionuclide cycling, radiation effects, and toxicant formation in condenser cooling systems. Experiments in radionuclide cycling demonstrated the availability of radionuclides from bottom sediments to the ...
Angiosarcoma is a rare malignant tumor arising from endothelial cells of blood vessels or lymphatic channels. Therapeutic irradiation, thoriumdioxide administration, pyothorax, and polyvinyl chloride exposure have been shown to be predisposing factors for developing angiosarcoma. Accidental radiation exposure has not been associated with angiosarcoma. We ...
Sixty-two explosives were evaluated in NWSY TR 81-6, Susceptibility Index of Explosives to Accidental Initiation. A sampling of their sensitivity ordering provides the test result in its own particular unit of measure. The overall average S.I. value was c...
The International Maritime Organization (IMO) sponsored model tests to help in their evaluation of accidental oil spillage from a Mid-Deck Tanker (MDT) and from a Double Hull Tanker (DHT) Design. These tests were conducted at Tsukuba Institute, Japan, and...
...considering the effects of environment, intrinsic/discrete flaws, or accidental...effects), except that maneuvering load factors need not exceed the maximum values expected...considering environmental effects, intrinsic/discrete flaws, or accidental...
Code of Federal Regulations, 2010
A case of acute radiation syndrome due to, accidental exposure to Co/sup 60/ is presented. Based on physical considerations, the dose received was estimated to be between 250 to 300 r. The clinical picture corresponded closely to that of the hematologic form of acute radiation syndrome. The patient was hospitalized in ...
Dec 24, 2009 ... To reduce the potential for future accidental collisions, the post-mission ... In 2005 NASA maneuvered its Earth Radiation Budget Experiment ...
This presentation detail information on current and proposed standards, recommendations, and guidances for limiting routine and accidental radiation exposures of the public. It also reviews certain laws and regulations intended primarily for limiting expo...
through accidental spills and violations of current regulations, and historical waste management practices that do not meet current standards. The sites listed below are those...
... significant factors here. The late-time radioactive cloud accidentally penetrated by the aircraft is of major con- cern. The cloud ...
The literature on wet deposition or precipitation scavenging have been reviewed with special reference to predicting the radiological consequences of accidental contamination. The work was part of the EEC Radiation Protection Programme and done under a su...
ISO and IAEA, the goal of the new symbol is "to help reduce needless deaths and serious injuries from accidental exposure to large radioactive sources." The new symbol is...
... THE HUMAN ENVIRONMENT 17. Indoor air quality - radon 18. ... Exposure to radiation (other than radon) 21. Accidental chemical releases ...
... of proposed and existing radio-frequency (RF) radiation standards on ... of RF energy, long-term exposure, accidental exposure, epidemiological ...
This work define procedures and controls about ionizing radiations. Between some definitions it found the following topics: radiation dose, risk, biological effects, international radioprotection bodies, workers exposure, accidental exposure, emergencies ...
Chromosome aberration frequency provides the most reliable biological marker of dose for detecting acute accidental radiation exposure. Significant radiation-induced changes in the frequency of chromosome aberrations can be detected at very low doses. Our...
In aerial gamma radiation survey for emergency response, the measurements of radiological distribution resulted from the nuclear facility accident are made over its surroundings from an accidental site to locations further from it, and the measuring level...
In risk studies for plants of the nuclear industry usually the number of fatalities by radiation induced health effects are assessed. They are divided into 'early fatalities' (mortality by acute radiation syndrome) and 'late fatalities' (deaths due to leu...
Anthropomorphic computational models coupled with radiation transport codes are valuable tools in radiation protection dosimetry. In particular, they are very reliable for the estimate of the energy absorbed by different organs due to an incorporated radionuclide. MIRD-based stylised analytical models are widely accepted as standards but the recent ...
This report concerns the Marshallese and Americans accidentally exposed to radiation from fallout following the explosion of March 1, 1954, and includes a discussion of radiation injury in the human being. Radiation surveys of the areas revealed injurious radiation levels on inhabited atolls ...
... who evaluated risks to the crew in case of accidental exposure; the NASA animal care and use panel, who evaluated impacts of their use on animal welfare ...
Ionizing radiation (IR) can cause various lesions in DNA, which induce the increase of p53 expression levels in order to repair radiation induced damage. Thus, the correlation between the increase of p53 expression and an irradiation may constitute a fast and powerful method of individual monitoring in cases of accidental or suspected ...
Untoward events involving radioactive material, either accidental or intentional, are potentially devastating. Hematologists and oncologists are uniquely suited to help manage radiation victims, as myelosuppression is a frequent complication of radiation exposure. In the aftermath of a large event, such as a nuclear detonation, there ...
Evaluation and management of victims of exposure to myelosuppressive radiation in a military, terrorist, or accidental event is challenging. The hematopoietic syndrome with marrow suppression and pancytopenia follows intermediate intensity radiation exposure and as such produces a clinical syndrome similar to that ...
An accidental burst of radiation occurred at the laboratory on 1 February 1951 during remote control operation of a critical experiment. There was no personnel hazard. Normal operations were resumed within 24 hr, and the active material involved in the burst returned to service within three weeks. An unforeseen brief excursion into the prompt ...
Domino effect is responsible of several catastrophic accidents that took place in the chemical and process industry. Although the destructive potential of these accidental scenarios is widely recognized, scarce attention was paid to this subject in the scientific and technical literature. Thus, well-assessed procedures for the quantitative evaluation of ...
The April 7, 1962 criticality accident involving human exposures was the first to have occurred in any production facility at Hanford. The accidental nuclear excursion did not result in any mechanical damage or spread of contamination. Three employees received over-exposure to gamma and neutron radiation. None were fatally exposed and in each case the ...
This work reports the effects of the gain variation of the photomultiplier tubes (PMTs) observed on a cardiac dedicated gamma camera after accidental high-flux irradiation. One detector of this dual-headed 90�-fixed gamma camera was accidentally left uncollimated during a quality assurance procedure on the other detector with a 57Co flood source (259 ...
NASA Astrophysics Data System (ADS)
... the result of radiation accidents or nuclear/radiological terrorism (1). The current lack of radioprotectors and therapeutic agents that are safe, effective and approved for use in victims of accidental or...
There is a crucial shortage of methods capable of determining the extent of accidental exposures of human beings to ionizing radiation. However, knowledge of individual exposures is essential for early triage during radiological incidents to provide optim...
A brief overview is given of the development of instruments and methods for synchrotron radiation small angle scattering and diffraction on biological systems and synthetic polymers. It is shown that many of the developments were largely accidental and although there were a number of innovations, in most cases other fields provided the sources of novelty.
The rapid decontamination of accidental liquid wastes containing various radioactive nuclides is important from the standpoint of radiation exposure reduction and radiation protection. For this purpose, the development of multi-functional microcapsules wi...
The standard reviews the types of injuries resulting from accidental exposure to ionizing radiation resulting from the operation of x-ray diffraction and fluorescence analysis equipment, establishes equipment design criteria, sets up requirements for appr...
The adaption of hospital emergency rooms to handle patients accidentally contaminated with radioisotopes is described. This presentation includes a plan and flow chart to receive, screen, decortaminate, and treat patients who have been exposed to uncontrolled radiations. (BBB)
Quantitative assessments of the effects on radiation-dose reductions from nine typical countermeasures against accidental food contamination have been carried out with dynamic radioecological models. The foodstuffs are assumed to be contaminated with iodi...
Two pituitary tumors were diagnosed in a small population of Marshallese accidentally exposed to radioactive fallout in 1954. Endocrinologic findings in the exposed population, are reported and the possible relation of the tumors to radiation exposure and thyroid disease is discussed.
Activities are summarized in the following fields: process development and technology, plutonium trenches, soils, prevention of accidental releases, radiation monitoring, environment, and radiation standards. (DLC)
Normal tissue response and injury after exposure to ionizing radiation are of great importance to patients with cancer, populations potentially subjected to military, accidental or intentional exposure, and workers in the nuclear power industry.
Cancer.gov
The purpose of this report is to disseminate information concerning the medical status of 253 Marshallese exposed to fallout radiation in 1954. This report discusses the medical care provided and the medical findings for the years 1988-1991. Details of th...
This document provides guidance on the organizational structure, personnel, facilities, equipment, supplies and treatment principles required for the initial care of injured persons who have been accidentally exposed to ionizing radiation and who may be c...
The mathematical basis is presented for computation of the expected number of stochastic somatic fatalities as a consequence of radiation exposure for relevant exposure pathways in the aftermath of a nuclear accident. On the basis of these fundamentals, e...
of accidental cutaneous radiation exposure: fifteen years of follow-up after the Chernobyl accident. J Am Acad Dermatol. 2003 Sep;49(3):417-23. [PubMed Citation] Chronic...
Contents: Chornobyl Accident Facts; (The 1986 Accident, Causes of the Accidental, The Chornobyl Nuclear Power Plant Today); Medical and Health Effects of the Accident (Prompt or Early Health Effects, Thyroid Cancer, Leukemia, Teratogenesis - Radiation and...
... 4 A whole body dose of 25 rem has been stated...accidental or emergency dose for radiation workers which, according...determination of their radiation exposure status (see NBS Handbook...limit for an emergency dose to the public under...
... 2 A whole body dose of 25 rem has been stated...accidental or emergency dose for radiation workers which, according...determination of their radiation exposure status (see NBS Handbook...limit for an emergency dose to the public under...
... 10 A whole body dose of 25 rem has been stated...accidental or emergency dose for radiation workers which, according...determination of their radiation exposure status (see NBS Handbook...limit for an emergency dose to the public under...
This paper presents the criteria adopted to evaluate Occupational Radiation Exposure (ORE) during normal operation and maintenance of NET/ITER and some results concerning the fuel cycle systems located in the tokamak and tritium buildings. Prompt radiation, activity concentration, and intake situations as well as number of workers, ...
... studies using rats, rabbits, guinea pigs and dogs, and in vitro studies using bacteria, yeast and ... that this compound may be harmful if accidentally ...
The ingestion pathway consequences following an accidental tritium release from the Savannah River Site Tritium Facilities are evaluated.
The ingestion pathway consequences following a postulated accidental tritium release from the Savannah River Technology Center are evaluated.
... While German researchers were developing new insecticides, the nerve agent tabun (GA) was accidentally formed. ... Sidell, FR, 1997: Nerve agents. ...
... two accidental tube failures relating to fatigue in the steam generators of PWR ... damage in order to improve the integrity of steam generator tubes. ...
... navigation and timing available from the Global Positioning ... The chaff-flare safety pin prevents the accidental ... to conduct a hazardous gas purge, ...
To develop approaches to prophylaxis/protection, mitigation and treatment of radiation injuries, appropriate models are needed that integrate the complex events that occur in the radiation-exposed organism. While the spectrum of agents in clinical use or preclinical development is limited, new research findings promise improvements in survival after ...
Topics covered in the review include: current radiation protection standards for workers; current radiation protection standards for the routine exposures of the public; environmental radiation standards for specific practices or sources; protective action guides for accidental releases of radioactivity to the ...
Thermography, x-ray tomography and NMR imaging, and scintigraphy have been used for the early diagnosis of an acute localized irradiation of a pig. The combination of these methods allows the evaluation of the radiation injury and its possible evolution. ...
The 100-N Area Environmental Surveillance Program provides monitoring to assist in evaluating the environmental impact of 100-N Reactor facilities. The major objectives of the program are to monitor radionuclide concentrations in radiological release pathways, maintenance of a data base for trend analyses, sampling and data for accidental release analyses, ...
Hematopoiesis critically assesses the implications of therapeutic or accidental exposure to cytotoxic drugs or radiation by analyzing their mechanisms of myelosuppression, - possible mutagenic action...capacity to induce chromosome abnormalities, - and effects on the immune system and other tissues. In addition, this reference: considers clinical and ...
Within the framework of the fuel cycle evaluation that has been conducted between 1981 and 1985 by Karlsruhe Nuclear Research Center in the Federal Republic of Germany, radiological safety has been considered an essential assessment criterion. The collective doses from normal operation turned out to exceed markedly the accidental doses associated with all ...