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High-resolution national radon maps based on massive indoor measurements in the United States.
Proc Natl Acad Sci U S A
January 2025
Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA 02114.
Radon, a common radioactive indoor air pollutant, is the second leading cause of lung cancer in the United States. Knowledge about its distribution is essential for risk assessment and designing efficient protective regulations. However, the three current radon maps for the United States are unable to provide the up-to-date, high-resolution, and time-varying radon concentrations.
View Article and Find Full Text PDFImpact of environmental factors on atmospheric radon variations at China Jinping Underground Laboratory.
Sci Rep
December 2024
School of Geophysics and Measurement-control Technology, East China University of Technology, Nanchang, People's Republic of China.
In this study, long-term and continuous monitoring of atmospheric radon concentration, temperature, air pressure, and humidity was conducted at China Jinping Underground Laboratory. The impacts of temperature, humidity, and air pressure on radon concentration in the experimental environment were specifically examined, along with the potential interactions among these factors. Moreover, Radon data were denoised using Singular Spectrum Analysis (SSA) to reveal factors that might influence changes in radon concentration.
View Article and Find Full Text PDFApportioning radon contamination sources in underground spaces using a grey-box model.
J Hazard Mater
November 2024
Department of Earth and Environmental Sciences, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea. Electronic address:
Article Synopsis
- The study addresses the need for effective radon management indoors due to its carcinogenic risks, identifying both gaseous and aqueous radon as main sources.
- Researchers developed a grey-box model that combines physical theories with data to better understand and apportion indoor radon sources.
- Results show that indoor radon levels were significantly higher than EPA recommended limits, with aqueous radon degassing identified as the primary source, suggesting that the grey-box model could enhance mitigation strategies.
Radon Risk Communication through News Stories: A Multi-Perspective Approach.
Int J Environ Res Public Health
September 2024
Department of Communication Sciences, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, A Coruña, Spain.
Radon is, after tobacco, the most frequent cause of lung cancer. Communicating about its risks with a didactic perspective so that citizens become aware and take action to avoid radon remains a challenge. This research is framed in Spain, where 17% of the territory exceeds the maximum radon limits allowed by the WHO, and aims to study the role and impact of the media in radon risk communication.
View Article and Find Full Text PDFAssessing radon hazard in drinking water: A comprehensive approach integrating deterministic and probabilistic methods with water consumption routines.
Sci Total Environ
November 2024
Center for Ecological-Noosphere Studies of NAS RA, 68 Abovyan Street, Armenia.
The research aimed to determine the spatiotemporal distribution patterns of radon activity concentrations in tap water of Yerevan city and assess radon-associated hazards using both deterministic and probabilistic approaches. This was accomplished by integrating one-year monitoring data of radon in water with water consumption habits among adult population clusters, which were identified through food frequency questionnaire in Yerevan. The study findings indicated variations in radon activity levels across administrative districts.
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