Laser accidents: occurrence and response.

abstract：:Standardized activated charcoal canisters (according to the U.S. EPA) have been used to collect radon exhaled from concrete surfaces covered with thin plaster (categorically different from thick plaster) of 32 buildings of different ages (0.5-31 y) in Hong Kong. Concrete surfaces covered with thin plaster is the commo...

journal_title：Health physics

authors： Yu KN,Chan TF,Young EC

更新日期：1995-05-01 00:00:00

abstract：:The Cameco lung counter has been recalibrated using the Lawrence Livermore National Laboratory torso phantom using an extended lung set (i.e., longer than the original set). The previous calibration had used the Japanese Atomic Energy Research Institute torso phantom. The new calibration had lower counting efficiencie...

journal_title：Health physics

authors： Kramer GH,Hauck B,Allen SA

更新日期：2009-06-01 00:00:00

abstract：:A large-scale radiological incident would result in an immediate critical need to assess the radiation doses received by thousands of individuals to allow for prompt triage and appropriate medical treatment. Measuring absorbed doses of ionizing radiation will require a system architecture or a system of platforms that...

journal_title：Health physics

authors： Grace MB,Moyer BR,Prasher J,Cliffer KD,Ramakrishnan N,Kaminski J,Coleman CN,Manning RG,Maidment BW,Hatchett R

更新日期：2010-02-01 00:00:00

abstract：:The application of occupational limits (ELs) in the outdoor laser environment requires an understanding of the radiometric methods required to evaluate field exposures with respect to the ELs. The limiting aperture required to adequately specify the EL must always be kept in mind. Since all exposure limits are defined...

journal_title：Health physics

authors： Sliney DH

更新日期：1989-05-01 00:00:00

abstract：:After the release of radioactive materials from a large radiological dispersal device (e.g., dirty bomb), improvised nuclear detonation, or nuclear power plant accident, up to hundreds of square miles may be contaminated. A portion of this area will be evacuated; however, people living in the portion that is not evacu...

journal_title：Health physics

authors： Snyder E,Drake J,Cardarelli J,Hall K,Szabo J,Demmer R,Lindberg M,Riggs K,James R

更新日期：2014-09-01 00:00:00

abstract：:Depleted uranium (DU) munitions were initially used by the United States (U.S.) military during the first Persian Gulf War in 1991 in order to penetrate heavily armored vehicles. However, as a result of friendly fire, several U.S. military personnel received intakes from DU munitions. One of the ongoing concerns for t...

journal_title：Health physics

authors： Walkingstick MT,Krage ES,Brey RR

更新日期：2018-03-01 00:00:00

abstract：:New technologies such as intensity modulated and image guided radiation therapy, computer controlled linear accelerators, record and verify systems, electronic charts, and digital imaging have revolutionized radiation therapy over the past 10-15 y. Quality assurance (QA) as historically practiced and as recommended in...

journal_title：Health physics

authors： Amols HI

更新日期：2008-11-01 00:00:00

abstract：:The most effective countermeasure for radioiodine contamination of milk is to provide dairy animals with uncontaminated feed, with the added advantage that it will be effective for other radionuclides in the fallout. Another effective response is to process the milk into storable dairy products for an appropriate leng...

journal_title：Health physics

authors： Howard BJ,Voigt G,Segal MG,Ward GM

更新日期：1996-11-01 00:00:00

abstract：:Twenty-six white male workers who did the original plutonium research and development work at Los Alamos have been examined periodically over the past 50 y to identify possible health effects from internal plutonium depositions. Their effective doses range from 0.1 to 7.2 Sv with a median value of 1.25 Sv. As of the e...

journal_title：Health physics

authors： Voelz GL,Lawrence JN,Johnson ER

更新日期：1997-10-01 00:00:00

abstract：:Timely achievement of uranium series' secular equilibrium is not always feasible. Our objective is to mathematically justify methods for early uranium series gamma spectroscopy measurements that can accurately predict naturally occurring radioactive material equilibrium activities long before equilibrium is establishe...

journal_title：Health physics

authors： Wilson CA 4th,Matthews KL 2nd,Hamideh AM,Wang WH

更新日期：2019-10-01 00:00:00

abstract：:Ionizing radiation is a known, well-documented, and reasonably well-quantified human cancer risk factor based on a remarkably consistent body of dose-response information from epidemiological studies of exposed populations supported by experimental studies using animal and cellular models. This fact is largely ascriba...

journal_title：Health physics

authors： Land CE

更新日期：2011-11-01 00:00:00

abstract：:For future space missions outside of the Earth's magnetic field, the risk of radiation exposure from solar particle events (SPEs) during extra-vehicular activities (EVAs) or in lightly shielded vehicles is a major concern when designing radiation protection including determining sufficient shielding requirements for a...

journal_title：Health physics

authors： Kim MH,Hayat MJ,Feiveson AH,Cucinotta FA

更新日期：2009-07-01 00:00:00

abstract：:Röntgen's description of his discovery of x rays was convincing and comprehensive. The response of the scientific community and public was immediate and intense. In contrast, the discovery of radioactivity was a muddled affair that excited little interest. While it would prove far more revolutionary than that of x ray...

journal_title：Health physics

authors： Frame PW

更新日期：1996-05-01 00:00:00

abstract：:Plane shields made of Pb with a water tank behind them were irradiated by 2.5-GeV bremsstrahlung. The longitudinal distribution of the absorbed dose in water was measured using a scintillation counter. The results are compared with Monte Carlo calculations and published depth dose tables. ...

journal_title：Health physics

authors： Ban S,Hirayama H,Miura S

更新日期：1987-07-01 00:00:00

abstract：:This document describes the attributes of an alpha spectroscopy counting and analysis system called Low Level Pulse Height Analysis (LLPHA). It was developed for multi-sample alpha spectroscopy analysis. The LLPHA system is controlled by a MIK-11/2 microcomputer with 28K of memory and uses a double-density, dual flopp...

journal_title：Health physics

authors： Guilmette RA,Archibeque FA

更新日期：1984-03-01 00:00:00

abstract：:In nuclear accident consequence assessment, dose contributions from radionuclide deposition on the human body have in the past generally been either ignored or estimated on the basis of rather simple models. Recent experimental work has improved the state of knowledge of relevant processes and parameter ranges. The re...

journal_title：Health physics

authors： Andersson KG,Fogh CL,Byrne MA,Roed J,Goddard AJ,Hotchkiss SA

更新日期：2002-02-01 00:00:00

abstract：:There has been concern that living near nuclear installations might increase the risk of cancer, including childhood leukemia, in surrounding communities. Such concern has been voiced by residents in Armstrong and Westmoreland Counties in Western Pennsylvania in conjunction with the operation of two former nuclear mat...

journal_title：Health physics

authors： Boice JD Jr,Bigbee WL,Mumma MT,Blot WJ

更新日期：2003-12-01 00:00:00

abstract：:A new 241Am lung monitoring system without shielding was devised by using an imaging plate system. The Lawrence Livermore National Laboratory's realistic torso phantom containing a 241Am lung was covered by imaging plates sealed in lightproof bags. The imaging plate system displayed 241Am lung images characteristic of...

journal_title：Health physics

authors： Hirota M,Kurihara O,Takada C,Takasaki K,Momose T,Deji S,Ito S,Saze T,Nishizawa K

更新日期：2007-07-01 00:00:00

abstract：:By testing industry standard techniques for radon progeny evaluation on air sample filters, a new technique is developed to evaluate transuranic activity on air filters by curve fitting the decay curves. The industry method modified here is simply the use of filter activity measurements at different times to estimate ...

journal_title：Health physics

authors： Hayes RB,Chiou HC

更新日期：2004-01-01 00:00:00

abstract：:Positron emission tomography (PET) and single-photon emission computed tomography (SPECT) are well- established and indispensable imaging modalities in modern medicine. State-of-the-art computed tomography (CT) scanners have now been integrated into multi-modality PET-CT and SPECT-CT devices, and these devices, partic...

journal_title：Health physics

authors： Zanzonico P,Dauer L,St Germain J

更新日期：2008-11-01 00:00:00

abstract：:Samples of bone containing cellular and fatty bone marrow were removed at autopsy from the body of a woman who, following an automobile accident, had been injected with approximately 25 mL of the radiographic contrast medium Thorotrast. The woman survived for 36 y after the accident and died at age 72 y following bone...

journal_title：Health physics

authors： Priest ND,Humphreys JA,Kathren RL,Mays CW

更新日期：1992-07-01 00:00:00

abstract：:Transportable (e.g., "giraffe") air samplers can be used for both short-term "grab-sampling" situations involving a few minutes to several hours, as well as for long-term retrospective air sampling situations that typically last a week. It is the short-term coverage situation which begs the question: "how long a sampl...

journal_title：Health physics

authors： Justus AL

更新日期：2011-08-01 00:00:00

abstract：:Improved lung models provide a more accurate assessment of dose from inhalation exposures and, therefore, more accurate dose-response relationships for risk evaluation and exposure limitation. Epidemiological data for externally irradiated persons indicate that the numbers of excess respiratory tract carcinomas differ...

journal_title：Health physics

authors： Masse R,Cross FT

更新日期：1989-01-01 00:00:00

abstract：:Expressions are derived in three cases for the expectation and uncertainty of body burdens and doses calculated from a linear model of environmental transport and human metabolism in terms of expectation and uncertainty in inputs of discrete, stochastic random variables. Three cases are compared to determine the relat...

journal_title：Health physics

authors： Kercher JR,Robison WL

更新日期：1993-07-01 00:00:00

abstract：:Diagnostic reference levels (DRLs) for medical x-ray procedures are being implemented currently in the Netherlands. By order of the Dutch Healthcare Inspectorate, a survey has been conducted among 20 Dutch hospitals to investigate the level of implementation of the Dutch DRLs in current radiological practice. It turns...

journal_title：Health physics

authors： Bijwaard H,Valk D,de Waard-Schalkx I

更新日期：2015-04-01 00:00:00

abstract：:The immersion doses from external exposure to a Gaussian plume of noble gases accidentally released into the atmosphere have been calculated. A numerical integration procedure employing Gauss-Legendre of 64th order has been used. The numerical procedure allows calculating the dose rate at any downwind horizontal or ve...

journal_title：Health physics

authors： Raza S,Avila R

更新日期：2005-09-01 00:00:00

abstract：:In vivo L-band electron paramagnetic resonance tooth dosimetry is a newly developed and very promising method for retrospective biodosimetry in individuals who may have been exposed to significant levels of ionizing radiation. The present study aimed to determine the relationships among enamel thickness, enamel area, ...

journal_title：Health physics

authors： Umakoshi M,Yamaguchi I,Hirata H,Kunugita N,Williams BB,Swartz HM,Miyake M

更新日期：2017-10-01 00:00:00

abstract：:Because of fast growing medical radiation use, estimating possible late health effects of radiation, including potential cancer risk, is an issue of substantial interest. Since physicians make the decision to order or perform a radiological procedure, it is very important to provide them with objective information abo...

journal_title：Health physics

authors： Ivanov VK,Tsyb AF,Mettler FA,Menyaylo AN,Kashcheev VV

更新日期：2012-12-01 00:00:00

abstract：:Experience gained from involvement in a number of emergency response activities since September 2001 in Texas indicated that the likely roles of statewide medical reserve corps units typically included aspects such as crowd control, registration and tracking, and information management. The need for training specifica...

journal_title：Health physics

authors： Emery RJ,Sprau DD,Morecook RC,Herbold J

更新日期：2009-11-01 00:00:00

abstract：:Elsewhere in this issue, Robin Elliott outlined a successful program for performing annual radiation safety management program audits. The results of such audits provide a useful means of evaluating and correcting deficiencies or weaknesses in a radiation safety program. At our institution we also perform an annual au...

journal_title：Health physics

authors： Miller KL,Erdman MC

更新日期：1999-11-01 00:00:00