journal
MENU ▼
Read by QxMD icon Read
search

Journal of Radiological Protection: Official Journal of the Society for Radiological Protection

journal
https://www.readbyqxmd.com/read/29328055/an-analysis-of-radon-levels-in-the-basements-of-uk-workplaces-and-review-of-when-employers-should-test
#1
Tracy Dawn Gooding
Radon is a recognised lung carcinogen. The main source of radon in UK buildings is the ground. As basements have more ground contact than other parts of a building, and often limited ventilation, there is an increased potential for high radon levels to occur. Regulations are in place in the UK to control radon exposures at work, which prompt employers to undertake risk assessments, test where necessary and take action if levels exceed certain thresholds. Both Public Health England (PHE) and the Health and Safety Executive (HSE) currently advise employers to test routinely occupied basements for radon, irrespective of geographical location; the minimum annual occupancy threshold has been established as one hour per week (approximately 50 hours per year)...
January 12, 2018: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29313822/direct-adjustment-for-confounding-by-smoking-reduces-radiation-related-cancer-risk-estimates-of-mortality-among-male-nuclear-workers-in-japan-1999-2010
#2
Shin'ichi Kudo, Jun'ichi Ishida, Keiko Yoshimoto, Shoichi Mizuno, Sumio Ohshima, Hiroshige Furuta, Fumiyoshi Kasagi
The causal relationship between protracted exposure to low-dose rate radiation and health effects remains unclear despite extensive international studies of nuclear workers. One reason is that radiation epidemiological studies that adjust for smoking, which heavily influences mortality, have been limited. In the present study, we examined radiation-related cancer risk by directly assessing the possible confounding effect of smoking, using data from two questionnaire surveys performed among Japanese nuclear workers in 1997 and 2003...
January 9, 2018: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29303487/klein-nishina-electronic-cross-section-compton-cross-sections-and-buildup-factor-of-wax-for-radiation-shielding-and-protection
#3
Manar Alenezi, Kayla R Stinson, Muhammad Maqbool, Norman Bolus
Klein-Nishina scattering cross-sections, Compton scattering, mass attenuation and energy transfer cross-sections, linear attenuation coefficient and buildup factor of paraffin wax are calculated using 0.662 MeV, 0.835 MeV, 1.17 MeV and 1.33 MeV γ-rays. The mentioned γ-rays were obtained from Cs137, Mn54 and Co60 radioisotopes. Gamma rays obtained from these radioisotopes were passed through circular shaped wax slices and allowed to fall on a NaI detector. The thickness of wax slices were 0.33 cm to 2.9 cm with 6 cm diameter...
January 5, 2018: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29303485/comparison-of-the-unscear-isodose-maps-for-annual-external-exposure-in-fukushima-with-those-obtained-based-on-the-airborne-monitoring-surveys
#4
Ryugo Hayano, Makoto Miyazaki
In 2016, UNSCEAR published an attachment to its Fukushima 2015 White Paper, entitled ``Development of isodose maps representing annual external exposure in Japan as a function of time,'' in which the committee presented annual additional 1 mSv effective dose ab extra isodose lines for 1, 3, 5, 10, 30, 50 years after the accident, based on the soil deposition data of radionuclides within 100 km from FDNPP. Meanwhile, the median of the ratio, c, between the external effective dose rates and the ambient dose equivalent rates at 1 m above the ground obtained by the airborne monitoring has been established to be c~0...
January 5, 2018: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29303484/a-semiparametric-approach-to-evaluate-the-harm-of-low-dose-exposures
#5
Kyoji Furukawa, Munechika Misumi
While exposure to moderate-high level of radiation exposure is known to cause adverse health effects, what is the lowest dose that could be harmful remains controversial. Given that epidemiological studies of practical sizes are unlikely to provide a sufficient statistical power to detect a small risk in the low-dose range of concern, greater emphasis should be given to evaluating how uncertain the risk estimate is. Using simulations under various dose-response relationships with a threshold, we show that a conventional approach based on simple parametric models (e...
January 5, 2018: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29271358/a-monte-carlo-simulation-study-for-the-gamma-ray-neutron-dual-particle-imager-using-rotational-modulation-collimator-rmc
#6
Hyun Suk Kim, Hong Yeop Choi, Gyemin Lee, Sung-Joon Ye, Martin B Smith, Geehyun Kim
This work is to develop a gamma-ray/neutron dual-particle imager, based on rotating modulation collimators (RMC) and pulse shape discrimination (PSD)-capable scintillators, for possible applications on radioactivity monitoring as well as nuclear security and safeguards. A Monte Carlo simulation study was performed to design an RMC system for the dual-particle imaging, and modulation patterns were obtained for gamma-ray and neutron sources on various configurations. We applied an image reconstruction algorithm utilizing the maximum-likelihood expectation maximization (MLEM) method based on the analytical modeling of source-detector configurations, to the Monte Carlo simulation results...
December 22, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29261100/institutional-computed-tomography-diagnostic-reference-levels-based-on-water-equivalent-diameter-and-size-specific-dose-estimates
#7
Johannes Boos, Christoph Thomas, Elisabeth Appel, Yan Klosterkemper, Christoph Schleich, Joel Aissa, Oliver Bethge, Gerald Antoch, Patric Kroepil
PURPOSE: To generate size-specific institutional diagnostic reference levels (DRLs) in chest and abdominopelvic computed tomography (CT) based on size-specific dose estimates (SSDE) and depending on patients water-equivalent diameter (Dw). METHODS: 1690 CT examinations were included in the IRB-approved retrospective study. SSDE based on mean water-equivalent diameter of the entire scan volume were calculated automatically. SSDE were analyzed for different patient sizes and institutional DRLs (75% percentiles) based on Dw and SSDE were generated...
December 20, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29261098/contribution-of-interventional-cardiology-to-the-collective-dose-in-spain
#8
Roberto Mariano Sanchez, Eliseo Vano, Jose Miguel Fernández, Antonio Ignacio Fernández-Ortiz, Fernando Alfonso, Javier Goicolea
To estimate the contribution of interventional cardiology to the collective dose in Spain. Methods: Using the information on frequencies of examinations sourced from the Spanish Society of Cardiology and the patient dose values obtained by the national DOCCACI programme. Results: The fraction of the collective dose per million inhabitants derived from IC was 34 man-Sv (a total of 1600 man-Sv in Spain with 46.5 million inhabitants). The contribution of the IC derived from the medical use of x-rays in Spain resulted in 0...
December 20, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29252204/-sup-18-sup-f-fdg-production-procedures-as-a-source-of-the-eye-lens-exposure
#9
Malgorzata Wrzesien
Decreasing the individual dose limit for the eye lens means verifying the need for routine monitoring of the eye lens of workers exposed to ionizing radiation, including those employed in facilities producing radiopharmaceuticals based on short-lived isotopes. This work analyses the exposure of the eye lenses of employees of centres that produce the isotopes for positron emission tomography, in particular fluorine-18. It takes into account the employment structure and work system of the discussed centres, including in terms of changing the dose limit value for the eye lens...
December 18, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29235452/comparison-of-external-doses-between-radio-contaminated-areas-and-areas-with-high-natural-terrestrial-background-using-the-individual-dosimeter-d-shuttle-75-months-after-the-fukushima-daiichi-nuclear-power-plant-accident
#10
Masaharu Tsubokura, Shuhei Nomura, Izumi Yoshida, Toyoaki Sawano, Makoto Miyazaki, Satoru Tomita, Tomoyoshi Oikawa, Masami Watanabe
After the Fukushima Daiichi nuclear power plant accident, the air dose gradually decreases every year due to the physical decay of radioactive materials and environmental changes as well as countermeasures. However, there is little information on personal behavioral patterns and individual dose from external exposure among the inhabitants around the nuclear power plant. To evaluate the dose from external exposure in Minamisoma city and compare the differences with outside of Fukushima, we started the external dose assessment project in cooperation with city officials in Minamisoma as well as other three cities in Japan, where the natural terrestrial background radiation level is relatively high...
December 13, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29235449/evaluation-of-skin-absorbed-doses-during-manipulation-of-radioactive-sources-a-comparison-between-varskin-code-and-monte-carlo-simulations
#11
Ernesto Amato, Antonio Italiano
The evaluation of skin doses during manipulation of radioactive sources can be a critical issue, worth using the most accurate calculation strategies available. The aim of this work was to compare the results of the analytical approach used in VARSKIN with the simulation of radiation transport and interaction by Monte Carlo calculations in GAMOS (GEANT4-based Architecture for Medicine-Oriented Simulations), and to provide an accurate and versatile tool for the evaluation of skin doses from radionuclide sources of any realistic shape (e...
December 13, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29235443/integrating-radiation-protection-criteria-for-radioactive-waste-management-into-remediation-procedures-in-existing-exposure-situations-after-a-nuclear-accident
#12
Daisuke Sugiyama, Hideo Kimura, Hirokazu Tachikawa, Takeshi Iimoto, Yosuke Kawata, Haruyuki Ogino, Minoru Okoshi
Experience after the accident at the Fukushima Daiichi nuclear power station has shown that there is a need to establish radiation protection criteria for radioactive waste management consistent with the criteria adopted for the remediation of existing exposure situations. A stepwise approach to setting such criteria is proposed. Initially, a reference level for annual effective dose from waste management activities in the range 1-10 mSv should be set, with the reference level being less than the reference level for ambient dose...
December 13, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29226851/main-problems-and-suggested-solutions-for-improving-radiation-protection-in-medicine-in-ibero-american-countries-summary-of-an-international-conference-held-in-madrid-2016
#13
Eliseo Vano, Pablo Jimenez, Raul Ramirez, Javier Zarzuela, Ana Maria Larcher, Eduardo Gallego, Santiago Gonzalez, Maria Del Rosario Perez
During the International Conference on Radiation Protection in Medicine held in Bonn in 2012, several areas for improvement were identified, including specific actions related with justification, optimization, role of manufacturers, radiation protection education and training, strategic research, data collection on medical and occupational exposures, prevention of incidents and accidents, radiation safety culture, risk-benefit dialogue and implementation of the radiation safety standards. The outcomes of the Bonn Conference were summarized in the so-called 'Bonn Call for Action', identifying 10 priority actions to enhance RP in medicine...
December 11, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29214980/ion-chambers-compliance-results-of-brazilian-radiation-therapy-facilities
#14
Georgia Santos Joana, Camila Salata, Paulo Leal, Renato Oliveira, Nozimar do Couto, Flavia Cristina Teixeira, Abner Duarte Soares, Eduardo Sergio Santini, Marcello Gomes Gonçalves
Brazilian Nuclear Energy Commission (cnen) has been making a constant effort to keep updated with international standards and national needs to strengthen the status of radiological protection of the country. The guidelines related to radiation therapy facilities have been revised in the last five years in order to take in consideration the most relevant aspects of the growing technology as well as to mitigate the accidents or incidents observed in practice. Hence, clinical dosimeters have gained special importance in this matter...
December 7, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29214977/monte-carlo-simulation-investigation-on-the-minitype-reference-radiation-employed-for-the-calibration-on-gamma-ray-dose-or-dose-rate-meters
#15
Wenjie Li, Yixin Liu, Biao Wei, Peng Feng, Yang Xu, Benjiang Mao
Minitype Reference Radiation based on a cesium-137 isotope radioactive source is a core device for carrying out a field calibration on gamma ray dose or dose rate meters. To explore the source of the scattering rays in the MRR and its influence on dose field distribution, the radiation field of the Minitype Reference Radiation when different shielding wall materials, different sizes of shielding box and detectors employed were calculated. The investigation results will provide theoretical and technical support for better understanding the Minitype Reference Radiation and developing field calibration technologies...
December 7, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29211691/long-term-monitoring-of-water-treatment-technology-designed-for-radium-removal-removal-efficiencies-and-norm-formation
#16
Liie Hill, Siiri Suursoo, Madis Kiisk, Alar Jantsikene, Nele Nilb, Rein Munter, Enn Realo, Rein Koch, Kaisa Putk, Maria Leier, Taavi Vaasma, Kadri Isakar
A drinking water treatment plant in Viimsi, Estonia, was monitored over three years for iron, manganese, radium-226, radium-228, as well as their daughter nuclides, in order to determine the efficiency of the treatment process, gain an insight into the removal mechanisms and interactions between radium, iron, and manganese, and assess the overall longevity and performance of the technology along with the possible build-up of NORM in the treatment process. During the study, samples were collected from raw water, first and second stage filtrate, consumer water, backwash water and filter materials...
December 6, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29211686/integration-of-risks-from-multiple-hazards-into-a-holistic-alara-alarp-demonstration
#17
P A Bryant, J Croft, P Cole
The principle of As Low As Reasonable Achievable (ALARA) stems from the field of radiological protection. In the UK, this principle has been incorporated into the Health and Safety at Work Act 1974 and rather than applying solely to radiological hazards, applies to all hazards in totality. Given that the current methods for assessing hazards are somewhat isolated, in that one hazard is assessed independently of another, it can be challenging to ensure a truly holistic view of the risks, and demonstrate they have been reduced to ALARA or As Low As Is Reasonably Practicable (ALARP) as required in the UK regulatory regime...
December 6, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29188790/irpa-consultation-is-the-system-of-protection-fit-for-purpose-and-can-it-be-readily-communicated-views-of-the-radiation-protection-professionals
#18
Roger Coates, Renate Czarwinski
The system of protection, which provides the basic underpinning philosophy and principles for radiation protection, is constantly evolving in the light of developing scientific understanding and practical experience. Over recent times there has been significant learning from experiences relating to the Fukushima accident, and there is also increasing recognition of the importance of enhancing public understanding of radiation and risk. The practical application of radiation protection is undertaken by thousands of practitioners around the world, and it is IRPA's task to ensure that this experience is fed back for the benefit of all...
November 30, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29187647/news-from-the-iaea-management-of-disused-sources
#19
A D Wrixon
This letter to the editor describes the developments over the last 20 or more years on the safety and security of radioactive sources leading to the latest political agreement established by the International Atomic Energy Agency . This development is concerned with the safe and secure management of disused sources.
November 30, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/29182150/radiation-protection-for-surgeons-and-anesthetists-practices-and-knowledge-before-and-after-training
#20
Amandine Brun, Rafael Alcaraz-Mor, Marc Bourrelly, Genevieve Dalivoust, Ghislaine Gazazian, Rafika Boufercha, Marie-Pascale Lehucher-Michel, Irene Sari-Minodier
The use of radiological activity in operating room (OR) and regulatory decrease of lens eyes dose warrant assessing how medical staff is protected from radiation. This study aims at evaluating practices and knowledge in radiation protection (RP) for OR doctors before and after training. A descriptive study of surgeons and anesthetists in a French public hospital center was conducted in 2016. An ad-hoc questionnaire concerning occupational practices and knowledge about RP was distributed before and one month after RP training...
November 28, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
journal
journal
29919
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"