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Year : 2019  |  Volume : 42  |  Issue : 3  |  Page : 84-89

Radio frequency nonionizing radiation exposure burdens to the population at major market centers in Ibadan metropolis, Nigeria

1 Department of Physics, Radiation and Health Physics Research Laboratory, University of Ibadan, Ibadan, Nigeria
2 Department of Physical and Mathematical Sciences, Faculty of Science, Crown-Hill University, Ilorin, Nigeria

Correspondence Address:
Mr. Idowu Richard Akomolafe
Department of Physical and Mathematical Sciences, Faculty of Science, Crown-Hill University, Ilorin
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/rpe.RPE_4_19

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There has been proliferation of mobile phone base station towers in recent years due to an expansion of mobile telephone networks. This has been accompanied by an increase in the community concern about possible radiation exposure due to the radio frequency (RF) radiation emissions from antennae mounted on the base station towers. This work presents RF measurements and information on the levels at selected markets in Ibadan, Nigeria. The highest RF power density of 499.6 μW/m2 obtained at Global System for Mobile Communication (GSM) 1800 band occurred at Apete market. The lowest RF power density of 0.1 μW/m2 was also obtained at Alesinloye for GSM 1800, Dugbe, and Ogunpa for GSM 900; at this point of measurement, the base transceiver station was not in the line of sight. The measured RF levels were compared with the maximum permissible limit for nonoccupational exposure with respect to the Radiocommunications (Electromagnetic Radiation – Human Exposure) Standard 1999 which specifies a maximum nonoccupational exposure limit of 2 W/m2 (equivalent to 200 μW/cm2) at relevant base station frequencies. The results showed that the RF exposure levels were several orders of magnitude below the maximum permissible limits around the environments of the major markets in the city of Ibadan.

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