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Extremely low-frequency magnetic field exposure level for Koreans by occupational code

Emerging Contaminants 2018年第1期4卷 40-46页

作者： Joon Sig Jung Mailan Arachchige Don Rajitha Kawshalya In Keun Shim Jung Min Ryu Myung Hee Kwon Duck Shin Park Seung Cheol Hong National Indoor Environment&Noise Research Division National Institute of Environmental Research42 Hwankyeong-RoSeo-KuIncheonSouth Korea Dept.of Emergency and Disaster Management Inje University197 Inje-roGimhae-siGyungnamSouth Korea Transportation Environment Research Team Korea Railroad Research Institute176 Cheoldobagmulgwan-RoUiwang-siGyeonggi-doSouth Korea Dept.of occupational Health&Safety Engineering Inje University197 Inje-roGimhae-siGyungnamSouth Korea

This study attempted to identify the level of exposure of 350 subjects to the extremely low-frequency magnetic field(ELF-MF).The occupational group showed significantly high levels of ELF-MF in every exposure indicator during work and transportation(poccupational group were exposed to over 2mG and 4 mG,respectively,of ELF-MF during"all"*** 24-h ELF-MF exposure levels of the subjects in both groups were *** the occupational group,for every activity,the percentile for less than 2mG corresponded to 100%of C-4(agriculture),95%of C-1(professional),97%of C-2(engineer,office/sales),81%of C-3(services),85%of C-5(technician,labor management),and 50%of C-6(electrician).In the non-occupational group,the percentile for less than 2mG corresponded to 92%of students,83%of homemakers,81%of the elderly,and 88%of the *** percentile for over 4mG was 5%for students,homemakers,and the elderly and 13%of the *** and the unemployed had the highest ELF-MF levels in both groups,*** were exposed to ELF-MF mostly at work,while the unemployed subjects were most affected by the activities classified under sleep and transportation.

关键词： ELF-MF EMF Exposure assessment occupational code occupational exposure

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