Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

Investigation of Noise Pollution Levels of Four Selected Sawmill Factories in Delta State, Nigeria

Investigation of Noise Pollution Levels of Four Selected Sawmill Factories in Delta State, Nigeria A survey on noise pollution levels in four selected sawmill factories in Delta State has been conducted. The investigations involve physical measurement of the noise pollution levels using a BK precision digital sound level meter model IEC 651 type and a social survey, using questionnaire. The physical measurement assessed the different machines noise level in the factories and the background noise levels measured at 50 meters away from the factories. A mean level of machine noise pollution (and background noise level) of 103.77±4.71dBA (78.25dBA), 96.55 1.48(72.08), 99.02±3.20 (72.54), 99.97±3.66 (79.89) dBA was recorded in Ozoro, Ughelli, Warri and Sapele respectively. These values obtained show that the noise levels in the four factories investigated are well above the FEPA recommended maximum permissible limits for an industrial environment. This may cause hearing impairment and some psychological effect like susceptibility to mistake, irritation, and sleeping and social discomfort among staff and resident living in close to these factories. This is further affirmed by the social survey result which revealed the level of social discomfort and health menace caused by machines noise from the factories on the workers and those residing close to these factories. Recommendations were therefore made to control, and abate this health threatening pollution effects. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advances in Applied Acoustics Science and Engineering Publishing Company

Investigation of Noise Pollution Levels of Four Selected Sawmill Factories in Delta State, Nigeria

Download PDF
8 pages

Loading next page...
 
/lp/science-and-engineering-publishing-company/investigation-of-noise-pollution-levels-of-four-selected-sawmill-CXCrClyL54
Publisher
Science and Engineering Publishing Company
Copyright
Science and Engineering Publishing Company
ISSN
2325-7024
eISSN
2325-7032

Abstract

A survey on noise pollution levels in four selected sawmill factories in Delta State has been conducted. The investigations involve physical measurement of the noise pollution levels using a BK precision digital sound level meter model IEC 651 type and a social survey, using questionnaire. The physical measurement assessed the different machines noise level in the factories and the background noise levels measured at 50 meters away from the factories. A mean level of machine noise pollution (and background noise level) of 103.77±4.71dBA (78.25dBA), 96.55 1.48(72.08), 99.02±3.20 (72.54), 99.97±3.66 (79.89) dBA was recorded in Ozoro, Ughelli, Warri and Sapele respectively. These values obtained show that the noise levels in the four factories investigated are well above the FEPA recommended maximum permissible limits for an industrial environment. This may cause hearing impairment and some psychological effect like susceptibility to mistake, irritation, and sleeping and social discomfort among staff and resident living in close to these factories. This is further affirmed by the social survey result which revealed the level of social discomfort and health menace caused by machines noise from the factories on the workers and those residing close to these factories. Recommendations were therefore made to control, and abate this health threatening pollution effects.

Journal

Advances in Applied Acoustics – Science and Engineering Publishing Company

Published: Aug 1, 2013

Keywords: Survey; Noise Pollution; Sawmill Factory Delta State

There are no references for this article.