Investigation of aerial dispersion of radioactive dust from an open-pit uranium mine by passive vinyl collectors.

abstract：:In June 2006, the Radiation Studies Branch of the Centers for Disease Control and Prevention held a workshop to explore rapid methods of facilitating radiological triage of large numbers of potentially contaminated individuals following detonation of a radiological dispersal device. Two options were discussed. The fir...

journal_title：Health physics

authors： Bolch WE,Hurtado JL,Lee C,Manger R,Burgett E,Hertel N,Dickerson W

更新日期：2012-03-01 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：:Commercial nuclear power plants release gaseous and liquid radiological effluents into the environment as by-products of electrical generation. In the U.S. these releases are monitored by the Nuclear Regulatory Commission (U.S. NRC) and Environmental Protection Agency (U.S. EPA). Traditionally these releases have alwa...

journal_title：Health physics

authors： Harris JT,Miller DW

更新日期：2008-12-01 00:00:00

abstract：:The U.S. Environmental Protection Agency (EPA) operates an environmentally controlled chamber for purposes of exposing various radon and decay product measurement equipment to known (222)Rn concentrations. Exposure durations range from 1 h to several months, and (222)Rn concentrations vary between 37 and 4,440 Bq m(-3...

journal_title：Health physics

authors： Ronca-Battista M,Budd G,McLemore S

更新日期：2013-02-01 00:00:00

abstract：:The "radon emanation" method of analysis for Rn and Ra in natural waters has been used by scientists for more than 30 years. We have examined the use of a new plastic bottle design as a viable option and improvement to traditional glass designs. The advantages of the new design over that used previously in our laborat...

journal_title：Health physics

authors： Stringer CE,Burnett WC

更新日期：2004-12-01 00:00:00

abstract：:Ecological and evolutionary considerations suggest that radiation hormesis is made up of two underlying components. The first (a) is background radiation hormesis based upon the background exposure to which all organisms are subjected throughout evolutionary time. The second and much larger component (b) is stress-der...

journal_title：Health physics

authors： Parsons PA

更新日期：2002-04-01 00:00:00

abstract：:This work describes the design, development, and characterization of an ionization chamber to detect and locate gamma ray sources with intensities down to 100 mu Gy h(-1). The results show that sources of x ray and gamma radiation in the energy range of 14 to 1,250 keV can be located. The directional sensitivity of th...

journal_title：Health physics

authors： Kronenberg S,Bruckner GJ,Bechtel E,Gentner F

更新日期：1996-04-01 00:00:00

abstract：:The biological elimination of nine gamma-emitting radioisotopes was studied in mallards (Anas platyrhynchos) which were released onto liquid radioactive waste pounds in southeastern Idaho. After 68, 75 or 145 days, the ducks were removed from the contaminated environment and placed in metabolic cages. Whole-body and f...

journal_title：Health physics

authors： Halford DK,Markham OD,White GC

更新日期：1983-09-01 00:00:00

abstract：:Environmental releases of tritium oxide at a number of Department of Energy nuclear weapons facilities contribute to a significant portion of environmental dose. Several conversion factors are utilized in the estimation of human impact from these releases, e.g., dispersion coefficients, consumption rates, uptake facto...

journal_title：Health physics

authors： Hamby DM

更新日期：1999-09-01 00:00:00

abstract：:The purpose of this report is to compare the whole-body retention and tissue distribution in rats of 60Co administered by gavage as inorganic 60CoCl2 or in a form incorporated into freshwater fish. Orizias latipes were placed in vessels containing 21. of tap water with radioactive cobalt. Periodically thereafter the f...

journal_title：Health physics

authors： Inaba J,Nishimura Y,Kimura K,Ichikawa R

更新日期：1982-08-01 00:00:00

abstract：:The primary target for uranium toxicity is the kidney. The most frequently used guideline for uranium kidney burdens is the International Commission on Radiological Protection value of 3 microg U g(-1) kidney, a value that is based largely upon chronic studies in animals. In the present effort, a risk model equation w...

journal_title：Health physics

authors： Roszell LE,Hahn FF,Lee RB,Parkhurst MA

更新日期：2009-03-01 00:00:00

abstract：:A new method to trace back average radon concentrations in dwellings over several decades in time has been developed. This retrospective radon monitor is based on the measurement of the alpha activity of 210Po deposited in volume traps, e.g., spongy materials used for mattresses and cushions. Polyester samples with di...

journal_title：Health physics

authors： Oberstedt S,Vanmarcke H

更新日期：1996-02-01 00:00:00

abstract：:This paper provides a review and reanalysis of data relating to gastrointestinal (GI) uptake of uranium in humans. Estimates of GI uptake of uranium in adult humans have been derived from results of three controlled experimental studies involving short-term oral intake of an elevated quantity of uranium in fluids, fro...

journal_title：Health physics

authors： Leggett RW,Harrison JD

更新日期：1995-04-01 00:00:00

abstract：:Often, the radiation exposure levels around brachytherapy patient rooms exceed the limits allowed by Nuclear Regulatory Commission (NRC) regulations and National Council on Radiation Protection (NCRP) recommendations. Since a neighboring patient may be present in the radiation field from a brachytherapy patient, or pa...

journal_title：Health physics

authors： Thomadsen B,van de Geijn J,Buchler D,Paliwal B

更新日期：1983-09-01 00:00:00

abstract：:Since the mid-1940s, hundreds of thousands of workers have been engaged in nuclear weapons-related activities for the U.S. Department of Energy (DOE) and its predecessor agencies. In 2000, Congress promulgated the Energy Employees Occupational Illness Compensation Program Act of 2000 (EEOICPA), which provides monetary...

journal_title：Health physics

authors： Neton JW

更新日期：2014-02-01 00:00:00

abstract：:The yield of chromosome aberrations (dicentric and ring chromosomes) was determined for five patients who had been extensively exposed to diagnostic x rays. Remarkably high aberration yields were obtained for each of them leading to correspondingly high equivalent whole body doses ("biological dosimetry"). The contrib...

journal_title：Health physics

authors： Weber J,Scheid W,Traut H

更新日期：1995-02-01 00:00:00

abstract：:In a long-term animal study, the combined and separate effects of Thorotrast (colloidal 232ThO2) and silica dust on the induction of lung tumors were investigated. Female Wistar rats were exposed for 29 d to aerosol concentrations of quartz of either 6 mg m-3, 30 mg m-3, or 0 mg m-3 (6 h d-1, 5 d wk-1). After inhalati...

journal_title：Health physics

authors： Spiethoff A,Wesch H,Wegener K,Klimisch HJ

更新日期：1992-07-01 00:00:00

abstract：:On 29 December 1970, the Occupational Safety and Health Act of 1970 established the Occupational Safety and Health Administration (OSHA). This article on OSHA, Title 29, Part 1910.1096 Ionizing Radiation standard was written to increase awareness of the employer, the workforce, state and federal governments, and those...

journal_title：Health physics

authors： Lewis RK

更新日期：2016-10-01 00:00:00

abstract：:The dicentric chromosome assay (DCA) has been regarded as the gold standard of radiation biodosimetry. The assay, however, requires a 2-d peripheral blood lymphocyte culture before starting metaphase chromosome analyses to estimate biological doses. Other biological assays also have drawbacks with respect to the time ...

journal_title：Health physics

authors： Suto Y,Gotoh T,Noda T,Akiyama M,Owaki M,Darroudi F,Hirai M

更新日期：2015-03-01 00:00:00

abstract：:This study was carried out to assess the possible radiological hazard resulting from the use of zircon in glaze applied to tiles used in buildings. The 226Ra content of various stains and glazing compounds was measured using gamma spectroscopy and the 222Rn exhalation rates for these materials were measured using adso...

journal_title：Health physics

authors： O'Brien RS,Aral H,Peggie JR

更新日期：1998-12-01 00:00:00

abstract：:Electromagnetic interference with critical medical care devices has been reported by various groups. Previous studies have demonstrated that volumetric and syringe pumps are susceptible to false alarm buzzing and blocking when exposed to various electromagnetic sources. The risk of electromagnetic interference depends...

journal_title：Health physics

authors： Calcagnini G,Floris M,Censi F,Cianfanelli P,Scavino G,Bartolini P

更新日期：2006-04-01 00:00:00

abstract：:A group of workers internally contaminated with Am have been followed for about 12 years. The source of contamination was AmO2 powder used for production of AmBe neutron sources and other applications. The production of some radionuclide sources included chemical treatment of the original material, which transformed t...

journal_title：Health physics

authors： Malátová I,Vrba T,Becková V,Pospísilová H

更新日期：2010-10-01 00:00:00

abstract：:In this statement, the International Commission on Non-Ionizing Radiation Protection (ICNIRP) presents its principles for protection against adverse health effects from exposure to non-ionizing radiation. These are based upon the principles for protection against ionizing radiation of the International Commission for ...

journal_title：Health physics

authors：

更新日期：2020-05-01 00:00:00

abstract：:This paper summarizes an environmental radionuclide baseline study undertaken for the Department of National Defence in Canada. The purpose of the project was to establish levels of radionuclides present in the environment around areas where nuclear propelled vessels may be berthed. Specifically, this report describes...

journal_title：Health physics

authors： Waller EJ,Cole D

更新日期：1999-07-01 00:00:00

abstract：:Dissolution characteristics of mixed-oxide nuclear fuels are important considerations for prediction of biological behavior of inhaled particles. Four representative industrial mixed-oxide powders were obtained from fuel fabrication enclosures. Studies of the dissolution of Pu, Am and U from aerosol particles of these...

journal_title：Health physics

authors： Eidson AF,Mewhinney JA

更新日期：1983-12-01 00:00:00

abstract：:210Po and its precursor 210Pb in cigarette smoke contribute a significant radiation dose to the lungs of smokers. In this work, the concentration of 210Po was determined in 17 of the most frequently smoked cigarette brands in Italy. Samples of tobacco, fresh filters, ash, and post-smoking filters were analyzed; 210Po ...

journal_title：Health physics

authors： Desideri D,Meli MA,Feduzi L,Roselli C

更新日期：2007-01-01 00:00:00

abstract：:Coyote fecal samples were collected near a radioactive waste leaching pond and a solid radioactive waste disposal facility and analyzed for radioactivity. Elevated concentrations of 137Cs, 90Sr and 238Pu in the samples from the liquid radioactive waste leaching area were attributed to coyotes ingesting contaminated po...

journal_title：Health physics

authors： Arthur WJ 3rd,Markham OD

更新日期：1982-10-01 00:00:00

abstract：:Laser safety filter materials must be evaluated at various levels up to the maximum irradiances likely to be encountered, since the absorber may exhibit nonlinear properties. Extreme care is necessary around short-duration lasers due to extremely high peak irradiances in the beam. This is especially true for visible a...

journal_title：Health physics

authors： Lyon TL,Marshall WJ

更新日期：1986-07-01 00:00:00

abstract：:The average absorbed dose due to DNA-bound 3H in a cell nucleus was estimated by a Monte Carlo simulation for a model nucleus which was assumed to be spheroidal. The shape of the cell nucleus was found to be of minor importance in determining the average absorbed dose. The volume of the cell nucleus was the major dose...

journal_title：Health physics

authors： Saito M,Ishida MR,Streffer C,Molls M

更新日期：1985-04-01 00:00:00

abstract：:Unusual reported dose equivalents due to high-energy photons for two individuals prompted the investigation of the effects of severe heating conditions expected in closed vehicles during southwestern summer months on commercial film dosimeters. A historical review of dosimetry records revealed several additional repor...

journal_title：Health physics

authors： Kearfott KJ,Chesser JM,Mitchell HE,Coombs MA

更新日期：1991-04-01 00:00:00