Safe Distance to Extremely Low Frequency Radiation Associated with Power Transmission Lines Located in Ota, Southwest, Nigeria

Usikalu, M.R. Safe Distance to Extremely Low Frequency Radiation Associated with Power Transmission Lines Located in Ota, Southwest, Nigeria. Safe Distance to Extremely Low Frequency Radiation Associated with Power Transmission Lines Located in Ota, Southwest, Nigeria.

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Abstract

The study investigates the level of extremely low frequency radiation from power line and to determine safe distance for dwellings and human activities. The study was bored out of the fact that people built houses and shops under power lines with the opinion that the place is free. The measurement were carried out during normal daily human activity 8:00 am to 4:00 pm between February and May, 2013 when the lines are supplying electricity in all locations with power lines in Ota, Ogun State, Nigeria. Extremely Low Frequency (ELF) associated with transmission power lines in some locations in Ota, Nigeria were measured using an ELF Detection meter manufactured by Action Electronics, USA. The lowest average ELF measured was 1.15 mG obtained at 200 ft (61 m) away from the transmission lines and the highest was 50 mG measured at the base of the power transmission line. It was observed that the ELF field decays rapidly with distance from source or hot spots. The study hereby suggests that erection of houses or human activities is not safe at any distance less than 200 ft (61 m) to power transmission lines. There is need for awareness on the need to avoid undue exposure to ELF radiation and strict adherence to standard regulation/policy to keep certain distance off from the power transmission lines in order to reduce the ELF exposure incurred and to avoid health challenges that can result from exposure to ELF radiation.

Item Type:	Article
Subjects:	Q Science > QC Physics
Divisions:	UNSPECIFIED
Depositing User:	Dr. Mojisola Usikalu
Date Deposited:	09 Apr 2015 10:56
Last Modified:	09 Apr 2015 10:56
URI:	http://eprints.covenantuniversity.edu.ng/id/eprint/4701

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