Test of the linear-no threshold theory of radiation carcinogenesis for inhaled radon decay products.

abstract：:Data on occupational radiation exposure from nuclear medicine procedures for the time period of the 1950s through the 1970s is important for retrospective health risk studies of medical personnel who conducted those activities. However, limited information is available on occupational exposure received by physicians a...

journal_title：Health physics

authors： Drozdovitch V,Brill AB,Mettler FA Jr,Beckner WM,Goldsmith SJ,Gross MD,Hays MT,Kirchner PT,Langan JK,Reba RC,Smith GT,Bouville A,Linet MS,Melo DR,Lee C,Simon SL

更新日期：2014-10-01 00:00:00

abstract：:Radon exposure is associated with an increased incidence of lung cancer, and elevated levels may be found in as many as 1 out of 15 homes. The U.S. EPA recommends testing homes for radon and mitigating over the advisory level of 4 picocuries per liter (4 pCi L(-1), or 148 Bq m(-3)). A sample population from a list of ...

journal_title：Health physics

authors： Riesenfeld EP,Marcy TW,Reinier K,Mongeon JA,Trumbo CW,Wemple BE,Kaminsky DA

更新日期：2007-05-01 00:00:00

abstract：:This paper examines in humans the proposition emanating from studies in beagles that initial retention of radium varies in proportion to the calcium addition rate at the time of intake. Human calcium addition rates were scaled from those in beagles, the relative calcium accretion rates in the two species at equivalent...

journal_title：Health physics

authors： Parks NJ,Keane AT

更新日期：1983-01-01 00:00:00

abstract：:A system for evaluating quality factors, Q, based on the microdosimetric distribution of the radiation field of interest has been set up; it makes use of a specific quality function (SQF) to obtain--given microdosimetric spectra--values for Q. The advantages of a system based on lineal energy are well recognized. Furt...

journal_title：Health physics

authors： Zaider M

更新日期：1996-06-01 00:00:00

abstract：:As in the past, the principle role of the scientist in the courtroom is to assist attorneys, judges, and jurors in understanding the complex scientific and technical issues before them. In the last decade, however, changes in the law and the increasing technical complexity of many disputes have introduced new factors ...

journal_title：Health physics

authors： Auxier JA,Prichard HM

更新日期：2001-09-01 00:00:00

abstract：:Bovine thyroid glands from different countries in Europe and human thyroid glands from Lower Saxony (Federal Republic of Germany) show isotopic 129I/127I ratios of 2.1 X 10(-9) to 8.2 X 10(-8) for cattle and 2.1 X 10(-9) to 8 X 10(-8) in humans. These values give information about the concentration of fallout 129I in ...

journal_title：Health physics

authors： Handl J,Pfau A,Huth FW

更新日期：1990-05-01 00:00:00

abstract：:Fallout 239,240Pu concentrations in some autopsy tissues from the general population in Japan are described. Body burden and relative distribution among tissues of plutonium were obtained by extrapolating using the mass of relevant tissues of the normal Japanese adult. 239,240Pu-to-90Sr body burden ratio was obtained....

journal_title：Health physics

authors： Kawamura H,Tanaka G

更新日期：1983-01-01 00:00:00

abstract：:Indoor 222Rn in high-rise buildings originates inside the building materials, then diffuses gradually through the intergranular spaces of the material into the room atmosphere. Therefore, the radionuclide contents and the physical properties of the building materials are important for indoor 222Rn levels in Hong Kong....

journal_title：Health physics

authors： Tso MY,Ng CY,Leung JK

更新日期：1994-10-01 00:00:00

abstract：:This paper describes the various activities involved with opening a sealed legacy "Seventeen-inch" concrete vault and the health physics challenges and solutions employed. As part of a legacy waste stream that was removed from the former Hazardous Waste Management Facility at Brookhaven National Laboratory, the "Seven...

journal_title：Health physics

authors： Sullivan PT,Pizzulli M

更新日期：2005-05-01 00:00:00

abstract：:The scientific basis for the physical and biological effectiveness of particle radiations has emerged from many decades of meticulous basic research. A diverse array of biologically relevant consequences at the molecular, cellular, tissue, and organism level have been reported, but what are the key processes and mecha...

journal_title：Health physics

authors： Blakely EA

更新日期：2012-11-01 00:00:00

abstract：:Spreadsheet macro programs for calculations of exact hazard and probability of having contracted cancer were used to study the implications of the lung cancer model of Moolgavkar et al. Excess lifetime risk ELR and loss of life expectancy LLE were calculated from the annual values of hazard and probability, using publ...

journal_title：Health physics

authors： Castrén O

更新日期：1999-04-01 00:00:00

abstract：:This paper presents an analysis of the implications of some recent studies performed to characterize uranium products from modern uranium recovery facilities important for worker protection. Assumptions about the solubility (related to the molecular species being produced) of these materials in humans are critical to ...

journal_title：Health physics

authors： Brown SH,Chambers DB

更新日期：2014-11-01 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：:The statistical distribution of 222Rn measurements from basements and first floors of homes in northeastern Pennsylvania was investigated. The gamma distribution was statistically significantly superior to the normal distribution (p less than 0.005) in describing the frequency distribution of the logarithm of observed...

journal_title：Health physics

authors： Janssen I,Stebbings JH

更新日期：1992-08-01 00:00:00

abstract：:Low-level radioactive waste containing liquid scintillation fluid and known amounts of 14C and 3H has been incinerated in a modified pathological incinerator with the incinerator effluent, refractory surface and ash being monitored. The study relates the activity monitored to that incinerated and discusses how this re...

journal_title：Health physics

authors： Hamrick PE,Knapp SJ,Parker MG,Watson JE Jr

更新日期：1986-10-01 00:00:00

abstract：:The use of epithermal neutron beam in clinical trials of Boron Neutron Capture Therapy for patients with malignant brain tumors had been carried out for half a decade at the Brookhaven's Medical Reactor. The decision to permanently close this reactor in 2000 cut short the efforts to implement a new conceptual design t...

journal_title：Health physics

authors： Hu JP,Reciniello RN,Holden NE

更新日期：2004-05-01 00:00:00

abstract：:Just two years have passed since the Tokyo Electric Power Company-Fukushima Daiichi Nuclear Power Plant (NPP) accident, a multidimensional disaster that combined to destroy the local infrastructure on which the safety system depended and gave a serious impact to the world. Countermeasures including evacuation, shelter...

journal_title：Health physics

authors： Yamashita S

更新日期：2014-02-01 00:00:00

abstract：:Spot urine samples are often taken for emergency radiobioassay to provide a quick dose assessment for contaminated individuals. The subsequent dosimetric analysis requires a urinary output normalization method to adjust spot sampling to daily urine excretion. A rapid specific gravity method that was developed for 24-h...

journal_title：Health physics

authors： Dai X,Kutschke K,Priest N

更新日期：2011-08-01 00:00:00

abstract：:The Normalised Specific Activity (NSA), a quantity which relates the concentration of a contaminant per unit mass of vegetation to its daily rate of ground deposition, has been used as the basis for determining interception factors and retention half-lives for radioactive contaminants deposited on grain and leafy vege...

journal_title：Health physics

authors： Simmonds JR,Linsley GS

更新日期：1982-11-01 00:00:00

abstract：:The Human Monitoring Laboratory (HML) has had a number of BOMAB phantoms built over the years. Upon characterization, it has been found that the dimensions of the phantoms are always slightly different. This study has looked at the effect of these small variances in dimensions of the phantoms and compared the results ...

journal_title：Health physics

authors： Kramer GH,Hauck BM,Dang S,Capello K

更新日期：2008-06-01 00:00:00

abstract：:Exposure to extremely low frequency electric and magnetic fields will induce electric fields and currents within the body, but these are almost always much lower than those that can stimulate peripheral nerve tissue. Guidance on exposure to such fields has been published by NRPB and ICNIRP, which is based on the avoid...

journal_title：Health physics

authors： Saunders RD,Jefferys JG

更新日期：2002-09-01 00:00:00

abstract：:In the last 50 years several radiation accidents occurred in which industrial radiographers and others suffered severe radiation injuries from inadvertent contact with radiation sources. Such accidents involving acute localized injuries are characterized by a severe initial reaction progressing through erythema to ski...

journal_title：Health physics

authors： Lefaix JL,Daburon F

更新日期：1998-10-01 00:00:00

abstract：:Guidelines for occupational exposure to radiation are based on annual absorbed or effective dose. Guidelines for Rn exposure are currently based on air concentrations of Rn or decay products. Models of bronchial dose from decay product exposure are based on calculations that have five major parameters with parameter v...

journal_title：Health physics

authors： Harley NH

更新日期：2018-04-01 00:00:00

abstract：:The factors affecting indoor radon properties in Hong Kong have been studied, including the radon concentration, the total potential alpha energy concentration of radon progeny, the equilibrium factor, and the fraction of unattached radon progeny. These factors fall into three categories, namely, (1) the building char...

journal_title：Health physics

authors： Yu KN,Young EC,Li KC

更新日期：1996-08-01 00:00:00

abstract：:Using a series of daily measurements of 125I in the drinking water of North Surrey, England, from November 1988 through May 1990, the accumulated activities in the thyroids of adults drinking such water were calculated on the assumption that the fraction of ingested iodine taken up by the thyroid was f = 0.3 and the t...

journal_title：Health physics

authors： Bowlt C,Howe JR

更新日期：1992-12-01 00:00:00

abstract：:Continuously repeated or frequent periodic measurements of the radiation environment in the absence of an identified source of ionizing radiation provide large data sets on the ambient background. Statistical evaluation of these data allows for the identification and quantification of the relevant background distribut...

journal_title：Health physics

authors： Brandl A

更新日期：2013-03-01 00:00:00

abstract：:An analysis and evaluation of 241Am in the whole body of a donor to the U.S. Transuranium Registry (USTR) is presented in five parts. The USTR donor's pertinent medical history, autopsy findings and antemortem evaluations of intake and systemic burden are described in Parts I and II. The donor was a 49-yr-old male Cau...

journal_title：Health physics

authors：

更新日期：1985-10-01 00:00:00

abstract：:This study provides a retrospective assessment of doses to 13 organs for the most common radiographic examinations conducted between the 1930s and 2010, taking into account typical technical parameters used for radiography during those years. This study is intended to be a resource on changes in medical diagnostic rad...

journal_title：Health physics

authors： Melo DR,Miller DL,Chang L,Moroz B,Linet MS,Simon SL

更新日期：2016-09-01 00:00:00

abstract：:In 1992, the University of Texas Health Science Center at Houston (UTHSCH) Radiation Safety Program began assembling data on a monthly basis that described various program drivers and associated activities. At the end of calendar year 2002, a decade of data had been collected, so the information was summarized into a ...

journal_title：Health physics

authors： Emery RJ,Gutierrez JM

更新日期：2014-08-01 00:00:00

abstract：:While it is implicitly recognized that the benefits of diagnostic imaging far outweigh any theoretical radiogenic risks, quantitative estimates of the benefits are rarely, if ever, juxtaposed with quantitative estimates of risk. This alone - expression of benefit in purely qualitative terms versus expression of risk i...

journal_title：Health physics

authors： Zanzonico PB

更新日期：2016-03-01 00:00:00