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http://dx.doi.org/10.5668/JEHS.2012.38.1.018

Estimation of ELF-MF Exposure Levels in the Korean Population through 24-Hour Personal Exposure  

Jung, Joon-Sig (Department of Public Health of Hanyang University)
Kim, Keun-Young (Korea Railroad Research Institute)
Hong, Seung-Cheol (Department of Occupational Health & Safety Engineering, Inje University)
Cho, Yong-Sung (Institute of Environmental and Industrial Medicine, Hanyang University)
Kim, Yoon-Shin (Department of Public Health of Hanyang University)
Publication Information
Journal of Environmental Health Sciences / v.38, no.1, 2012 , pp. 18-30 More about this Journal
Abstract
Objectives: The purpose of this study was to estimate the exposure level to extremely low frequency-magnetic fields (ELF-MF) among a selected Korean population using 24-hour personal exposure measurement. Methods: Participants were randomly selected for the measurement of MF exposure under the assumption that the subjects are representative of the overall Korean population. Levels of personal exposure to MF were measured according to the subject's daily activities. Results: The 24-hour time-weighted average (TWA) of 250 participants was $1.56{\pm}4.56$ mG (GM, GSD: 0.79, 2.46 mG). Personal exposure levels for females were higher than for males. The highest personal exposure level was shown in the age group between 20-60 years old. Personal exposure levels according to job category were higher for the non-occupational group than for the occupational group. Conclusions: Our results showed MF exposure exceeding 2 mG per day among 11.3% of the Korean population, indicating a somewhat higher percentage compared to the EMF RAPID Program's results for the U.S population.
Keywords
Extremely low frequency; Magnetic field; Population based exposure; TWA;
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