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- Title
Survey of residential power-frequency magnetic fields in Melbourne, Australia.
- Authors
Karipidis, Ken K.
- Abstract
Pooled analyses of epidemiological studies have reported an association between prolonged residential exposure to power-frequency magnetic fields of >0.4 μT and an increased risk in childhood leukaemia. In order to compare residential magnetic fields in Australia with those in other countries, a survey was conducted in 296 randomly selected homes in Melbourne. Magnetic fields were assessed by performing spot measurements throughout the house and 24-h measurements in rooms where children spend large amounts of time. Children's exposure in Australia was generally comparable with that in other countries with average fields of 0.05–0.06 μT (95 % CI 0.05–0.06 μT). Prolonged exposure of >0.4 μT was shown in ∼2 % of the homes (95 % CI 0.2–3.6 %) mainly being due to close proximity of the house to transmission lines. Based on the results of this survey, the public health impact of a causal association between residential magnetic fields and childhood leukaemia is expected to be small.
- Subjects
MELBOURNE (Vic.); MAGNETIC field measurements; FIELD theory (Physics); ELECTROMAGNETIC theory; ELECTRIC lines; LEUKEMIA in children
- Publication
Radiation Protection Dosimetry, 2015, Vol 163, Issue 1, p81
- ISSN
0144-8420
- Publication type
Article
- DOI
10.1093/rpd/ncu137