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Current Journal of Applied Science and Technology

Current Journal of Applied Science and Technology, ISSN: 2231-0843 (old),Vol.: 24, Issue.: 3

 

Original-research-article

 

Risks Associated with Radio-frequency Radiation Exposure at Close Proximities to Mobile Phone Base Stations in Port Harcourt, Rivers State, Nigeria

 

 

U. Nte Felix1, O. Avwiri Gregory1, E. Esi Oghenevovwero2* and Akpata Chinelo1

1Department of Physics, University of Port Harcourt, Choba, Rivers State, Nigeria.

2Physics Unit, Department of GNS, Delta State School of Marine Technology, Burutu, Delta State, Nigeria.

 

Abstracts

 

This paper evaluates risks associated with Radio-frequency radiation exposure at close proximities to Mobile Phone Base Stations in Port Harcourt, Rivers State, Nigeria. It involved the use of RF field strength meter, a portable meter with a GPS. Clusters of telecommunication base stations in Port Harcourt were selected for this study, which are located in Rumuokoro, Mile 3, Garrison and Mile 1. The readings were taken from 5 m to 400 m from the telecommunication base stations (masts) in the north, south, east and west directions at about 1.0 m above the ground. The power density obtained ranged between 0.121 µW/cm2 and 10.847121 µW/cm2. The highest total power density and specific absorption rate were recorded at mile 1 location as 10.847 µW/cm2 and 3,639.17 µW/kg respectively. These results are below the standards stipulated by the International commission on non-ionizing radiation which is adopted by the Nigeria Communication Commission (NCC). The recommended permissible limits guidelines for safe frequencies between 400 and 2000 MHz, for occupational exposure is 22.5 W/m2, and general public is 4.5 W/m2 for 900 MHz. This means that at a distance of 5 m to 400 m away from the mast is safe according to these recommend permissible limit though there could be a long term effect on those residing at such distance permanently.

 

Keywords :

Human health; correlation; hazard; telecommunication; radiation.

 

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