Exposure to 50 Hz magnetic field in apartment buildings with built-in transformer stations in Hungary

Exposure to 50 Hz magnetic field (MF) was evaluated in 31 multi-level apartment buildings with built-in step-down transformer stations. In each building, three apartments were selected: one apartment located immediately above the transformer room (index apartment), one located on the same floor and...

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Bibliographic Details
Published in:Radiation protection dosimetry 2008-09, Vol.131 (4), p.469-473
Main Authors: Thuróczy, György, Jánossy, Gábor, Nagy, Noémi, Bakos, József, Szabó, Judit, Mezei, Gábor
Format: Article
Language:English
Subjects:
Electricity
Electromagnetic Fields
Environmental Exposure - analysis
Environmental Exposure - statistics & numerical data
Housing
Hungary
Radiation Dosage
Radiation Monitoring - methods
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Summary:Exposure to 50 Hz magnetic field (MF) was evaluated in 31 multi-level apartment buildings with built-in step-down transformer stations. In each building, three apartments were selected: one apartment located immediately above the transformer room (index apartment), one located on the same floor and one on a higher floor. The mean value of measured MFs was 0.98 µT in apartments above transformers, 0.13 µT on the same floor, and 0.1 µT in on higher floors. The mean measured MF value was higher than 0.2 µT in 30 (97%) index apartments, 4 (14%) on the same floor as the index apartments and 4 (13%) on higher floors. The corresponding numbers were 25 (81%), 0 and 0, respectively, when 0.4 µT was used as cut-point. It is concluded that apartments in building with built-in transformers can be reliably classified into high and low-exposure categories based on their location in relation to transformers.
ISSN:0144-8420
1742-3406
DOI:10.1093/rpd/ncn199