한국산업보건학회지 (Journal of Korean Society of Occupational and Environmental Hygiene)

  • 제32권4호
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  • Pages.381-392
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  • 2022
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  • 2384-132X(pISSN)
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  • 2289-0564(eISSN)
한국산업보건학회 (Korean Industrial Hygiene Association)
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직업성 극저주파 자기장 노출평가와 노출 기준에 대한 쟁점 고찰

Brief Review on Exposure Characteristics, Monitoring Instruments and Threshold Limit Values for Extremely Low Frequency-Magnetic Field (ELF-MF)

  • 박동욱 (한국방송통신대학교 보건환경학과) ;
  • 이승희 (한국방송통신대학교 보건환경학과) ;
  • 조경이 (서울대학교 보건대학원 환경보건학과)
  • Dong-Uk, Park (Department of Environmental Health, Korea National Open University) ;
  • Seunghee, Lee (Department of Environmental Health, Korea National Open University) ;
  • Kyung Ehi, Zoh (Department of Environmental Health, Graduate School of Public Health, Seoul National University)
  • 투고 : 2022.11.03
  • 심사 : 2022.12.22
  • 발행 : 2022.12.30
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초록

Objectives: Objective of this study is to review briefly exposure characteristics, monitoring instruments and threshold limit values for extremely low frequency-magnetic field (ELF-MF) methods. This study was undertaken through brief literature review. We performed a literature search in PubMed to identify ELF-MF studies conducted in workplaces. Initial search keywords such as 'extremely low frequency-magnetic field (ELF-MF)' and 'electromagnetic fields (EMF)' combined or singly. We limited our review to occupational rather than general nonworkplace environmental exposures. Methods: The contents we reviewed: key industry and occupations generating ELF-MF, several direct-reading instruments monitoring ELF-MF and threshold limit values (TLV) preventing health effects may be caused by the exposure to ELF-MF. Results: The industries related to the generation and supply of electricity, electrolytic installations, welding, and induction heating and more were regarded as high ELF-MF exposure industries. All jobs handling or employed performed in power cable lines, electrical wiring, and electrical equipment are found to be exposed to ELF-MF. Threshold or ceiling limit, 1,000 µT, is established to prevent acute effects of exposure to low-frequency EMFs on the nervous system: the direct stimulation of nerve and muscle tissues and the induction of retinal phosphenes. The International Agency for Research on Cancer (IARC) has classified ELF-MF as possibly carcinogenic to humans chiefly based on epidemiological studies on childhood leukemia. However, a causal relationship between magnetic fields and several types of cancer including childhood leukemia has not been established nor has any other long-term effects. Risk management using precautionary measures, has been initiated by the US and EU to prevent chronic health effects related to ELF-MF exposure in workplaces. Conclusion: This study recommends the implementation of various measures such as theestablishment of occupational exposure limit values for ELF-MF and precautionary principle to prevent potential chronic occupational health effects may be caused by ELF-MF in Korea.

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과제정보

이 논문은 2021년도 한국방송통신대학교 지원을 받아 작성된 것으로 이에 감사를 드립니다.

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