NCRP Program Area Committee 5: Environmental Radiation and Radioactive Waste Issues.

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：:This article presents an optimization study for radiological protection in a U mine. The mathematical model of the alpha contamination associated with short-lived Rn daughters allows the comparison of various protection strategies through a cost-effectiveness analysis. Determining the optimal protection strategy is ca...

journal_title：Health physics

authors： Lombard J,Oudiz A,Zettwoog P

更新日期：1986-04-01 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：:As a continuation of previous research on worst case transportation accidents involving radioactive material (Dodd and Humphries 1988a), and protective action guidance for radioactive material transportation accidents (Dodd and Humphries 1988b), this paper describes the risks from such accidents in Oregon. Radioactive...

journal_title：Health physics

authors： Humphries LL,Dodd B

更新日期：1989-07-01 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：:It is fundamental that a given cancer case cannot be attributed with absolute certainty to a prior ionizing radiation exposure, whatever the level of exposure. It is possible to estimate the probability of a causal relationship based on data and models that have been inferred from group statistics. Two types of inform...

journal_title：Health physics

authors： Breitenstein BD

更新日期：1988-08-01 00:00:00

abstract：:This paper provides information on the effects of distance and attenuation in lead sheet and gypsum board of the 0.511 MeV photon produced by positron annihilation. Exposure rates are projected external to an adult injected with 185 MBq (5 mCi) of 18F in a fluorodeoxyglucose solution and for the same activity in a sma...

journal_title：Health physics

authors： Courtney JC,Mendez P,Hidalgo-Salvatierra O,Bujenovic S

更新日期：2001-08-01 00:00:00

abstract：:Radionuclide decorporation is the only effective method of reducing radiation dose for persons contaminated accidentally. In this study, dogs that had inhaled a moderately soluble aerosol of 244Cm2O3 were treated with either discrete intravenous injections of the chelating agent diethylenetriaminepentaacetic acid (Zn-...

journal_title：Health physics

authors： Guilmette RA,Muggenburg BA

更新日期：1992-04-01 00:00:00

abstract：:ABSTRACT A significant portion of the cost for D&D is related to low-level waste disposal, decontamination, and final radiological survey. For that reason, a careful cost-benefit analysis must be performed weighing the cost of decontaminating and radiologically surveying the building media for release against the cost...

journal_title：Health physics

authors： Barroso J,Roberts S

更新日期：2003-02-01 00:00:00

abstract：:An investigation of the performance of a diffusion barrier, charcoal-based 222Rn monitor under several artificial environmental conditions showed that both temperature and relative humidity levels affect 222Rn uptake. A physical model was developed adequately describing the temperature effects, while an empirical mode...

journal_title：Health physics

authors： Pojer PM,Peggie JR,O'Brien RS,Solomon SB,Wise KN

更新日期：1990-01-01 00:00:00

abstract：:A multifaceted radiochemical testing procedure has been developed to analyze a large number of liquid samples and measure a wide range of radionuclides in a short period of time. This method involves a single, unique and fast sample preparation procedure and allows sequential/concurrent determination of analytes with ...

journal_title：Health physics

authors： Parsa B,Henitz JB,Carter JA

更新日期：2011-02-01 00:00:00

abstract：:Findings of the Life Span Study (LSS) cohort of atomic-bomb survivors are a primary source for quantitative risk estimates that underlie radiation protection. Because of the size and length of follow-up, the LSS provides considerable information on both the nature of the dose response and on how radiation-associated e...

journal_title：Health physics

authors： Preston DL,Pierce DA,Shimizu Y,Ron E,Mabuchi K

更新日期：2003-07-01 00:00:00

abstract：:Radiostrontium isotopes (Sr, Sr, and Sr) are major fission by-products in nuclear reactors, in radiological events, and in environmental radioactive contamination. A method to analyze Sr and Sr in water has been developed using gradient elution with dilute hydrochloric acid and cation exchange resin, followed by carbo...

journal_title：Health physics

authors： Nguyen DM,Moody WA,Williamson JA

更新日期：2019-06-01 00:00:00

abstract：:Time-dependent chemical compositions for 13N and 15O induced in the air atmosphere of a high energy electron accelerator room have been studied using a computer simulation method. A radiation chemistry model was developed to describe the chemical reactions of 13N and 15O species with the air molecules and their radiol...

journal_title：Health physics

authors： Endo A,Henshaw J,Mignanelli MA

更新日期：1998-04-01 00:00:00

abstract：:It is readily apparent, as the Department of Energy Office of Environmental Management proceeds in remediating its vast network of contaminated nuclear weapons facilities, that final cleanup at many facilities will not be performed to a level allowing unrestricted use of the facility. Instead, these facilities must re...

journal_title：Health physics

authors： Wells JR,Spitz HB

更新日期：2003-11-01 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：: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：:The development of a spallation neutron source with a mercury target will lead to the production of rare radionuclides. The dose coefficients for many of these radionuclides have not yet been published. A collaboration of universities and national labs has taken on the task of calculating dose coefficients for the rar...

journal_title：Health physics

authors： Arndt A,Shanahan J,Gold C,Brey R,Gesell T,Patton P,Rudin M,Eckerman K,Rusetski V,Pagava S

更新日期：2006-01-01 00:00:00

abstract：:The aim of this work was to evaluate the reproductive toxicological effects of uranium (U) at 2.5, 5, and 10 mgU/kg/d chronically administered in drinking water for 40 d. Swiss female control mice (n = 28) and mice chronically contaminated with uranyl nitrate in drinking water (n = 36) were tested. The number and qual...

journal_title：Health physics

authors： Kundt MS,Martinez-Taibo C,Muhlmann MC,Furnari JC

更新日期：2009-05-01 00:00:00

abstract：:The intestinal absorption of 99mTc given as pertechnetate (TcO4-) was studied in female goats and swine. In goats given TcO4- orally, only a small fraction of the given radioactivity was found in milk (x = 0.1% of dose) and urine (x = 1.2% of dose). These figures were not substantially changed by pre-treatment with I....

journal_title：Health physics

authors： Jones BE

更新日期：1989-08-01 00:00:00

abstract：:An evaluation of available personnel monitoring data and radium body burden records of dial painters handling an annual average of 1.5 Ci of radium indicates that they received an average of about 2 rem/person whole body exposure, 3 rem to the lungs from radon inhalation and 0.2 rad to the bone from radium body burden...

journal_title：Health physics

authors： Simpson RE,Shuman FG,Moghissi AA,Blackburn JA,Bailey ED

更新日期：1983-05-01 00:00:00

abstract：:The kinetics with which tritiated thymidine is eliminated from birds and the concentration of radioactivity remaining in the carcass after 350-430 h were measured. Birds injected with tritiated thymidine eliminated 98% of the radioactivity injected within 28 h. Ninety-eight percent was identified in the excreta, and l...

journal_title：Health physics

authors： Party E,Barnea A,Linins I,Gershey EL

更新日期：1997-04-01 00:00:00

abstract：:An attempt was made to test the hypothesis (McLeod et al. 1987; Smith et al. 1987) that a certain combination of direct current and alternating current magnetic field exposures at room temperature results in an increase in motility of a marine diatom (Amphora coffeaeformis) to a maximum value. Diatom motility increase...

journal_title：Health physics

authors： Prasad AV,Miller MW,Cox C,Carstensen EL,Hoops H,Brayman AA

更新日期：1994-03-01 00:00:00

abstract：:A model is presented to analyze the retention of Pu in the major deposition organs of the beagle dog and predict the dynamic behavior of skeletal labels. The kinetic part describing the gross organ distribution was represented by a compartment model. A fit to empirical retention equations of liver and skeleton yielded...

journal_title：Health physics

authors： Polig E

更新日期：1989-09-01 00:00:00

abstract：:Linear accelerator workloads for each available photon energy are important quantities to know for radiation safety considerations, and presented is a technique to measure the workload using paired detectors. The signals from the two detectors can give sufficient information to separate the signal contributions from 6...

journal_title：Health physics

authors： Corns R,Schroeder C,Sandhu G,Henderson K,McKay I

更新日期：2019-09-01 00:00:00

abstract：:Global concerns over energy supply and climate change have given rise to an increase in uranium prospecting, mining and extraction. The changing world economy is spreading the use of advanced nuclear and radiation-related technologies to many parts of the world, giving rise to global initiatives on nuclear energy and ...

journal_title：Health physics

authors： Kase KR,Metcalf P

更新日期：2011-01-01 00:00:00

abstract：:Design and associated good practices are described for a modular glovebox connector to improve control of radioactive and chemically toxic materials. The connector consists of an anodized aluminum circular port with a mating spacer, gaskets, and retaining rings for joining two parallel ends of commercially available o...

journal_title：Health physics

authors： Hoover MD,Mewhinney CJ,Newton GJ

更新日期：1999-01-01 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：: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：:Field surveys were carried out at sixteen pulp and paper mills in the United States--seven kraft process, two sulfite process, and seven recycling process mills--for the presence of naturally occurring radioactive material (NORM) in precipitates and scales. NORM was detected at three of the kraft mills, one sulfite mi...

journal_title：Health physics

authors： Fisher RP,Easty DB

更新日期：2003-04-01 00:00:00