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Estimation of ELF-MF Exposure Levels in the Korean Population through 24-Hour Personal Exposure
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 Title & Authors
Estimation of ELF-MF Exposure Levels in the Korean Population through 24-Hour Personal Exposure
Jung, Joon-Sig; Kim, Keun-Young; Hong, Seung-Cheol; Cho, Yong-Sung; Kim, Yoon-Shin;
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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 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.
Extremely low frequency;Magnetic field;Population based exposure;TWA;
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