To study cytogenetic effects in peripheral blood lymphocytes from 49 subjects who were professionally exposed to mobile phone electromagnetic fields (radio field engineers and other subjects working for two of the Belgian mobile phone operators).
Subjects' blood cells were also exposed to mutagen mitomycin C in order to investigate possible combined effects of radiofrequency irradiation and the chemical.
The data were compared to those obtained in 25 unexposed control subjects.
Test persons worked for two companies: company 1: 27 radio field engineers company 2: 11 radio field engineers, 11 administrative workers.
Frequency | 450–900 MHz |
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Type | |
Exposure duration | repeated daily exposure, at least 1 h/day for 2.3 years (on average) |
Additional info | 450 and 900 MHz and other frequencies in the MHz or GHz range |
Exposure source |
|
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Distance between exposed object and exposure source | 1 m |
Additional info | The radio field engineers worked in the maintenance and repair of transmission antennas that were normally switched off for this purpose. |
No parameters are specified for this exposure.
Frequency | 147.25 MHz–40 GHz |
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Type | |
Exposure duration | repeated daily exposure during work |
No parameters are specified for this exposure.
The comet assay, sister chromatid exchange and chromosome aberration tests revealed no evidence of radiofrequency-induced genetic effects.
No cooperative action was found between the electromagnetic field exposure of blood cells and the mutagen using either the comet assay or sister chromatid exchange test.
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