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Hot Topics. Occupational Exposure to EMF.
Exposure to High-Frequency Transient Magnetic Fields
Last modified on:
Thursday, November 06, 2008 11:32:40
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The author surveyed high-frequency transient (HFT) EMF exposures in occupational and residential environments. Three hundred and one volunteers wore personal dosimeters for 24 hours. The dosimeters had a sampling period of 5 seconds. 25.1% of 195 measurements of utility workers, were classified as HFT events. The maximum number of HFT events for a workday was 68, obtained for a distribution cable splicer. The mean number of HFT events occurring among office workers and industrial workers in either high or normal magnetic field environments during a workday was 0.1, 0.8, and 0.5, respectively. The author concluded that, on the whole, HFT fields appeared infrequently in the study and that those workers with the highest exposures to extremely low-frequency EMF did not necessarily experience the largest number of HFT events. [BENER 13809]
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