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WHO risk assessment
In 2002 the International Agency for Research on Cancer (IARC) which is associated with the World Health Organization (WHO) classified low frequency fields as class 2B "possibly carcinogenic". The crucial factor for this decision were the epidemiological observations of a statistical association of childhood leukaemia and an exposure of the children to magnetic fields in the range of more than 0.3 to 0.4 microtesla (µT), averaged over time.
Based on an up-to-date risk assessment, WHO issued a Fact Sheet entitled "Electromagnetic fields and public health – exposure to extremely low frequency fields". Among others, this paper provides recommendations on how to proceed further.
State of 2017.03.15