Author:Edwards, ADate:Sep 2009The Occupational Exposure Limit (OEL) for noise is legislated to be 85 dBA. However, owing to the energy of different frequencies the effect on the ear by sounds of different frequencies is known to vary. Also, there is recent evidence of the ...Read more
Author:Edwards, ADate:Aug 2010This presentation deals with the excessive noise exposure that miners in South African mines are exposed to. This exposure limits communication and compromises safety, increases risk of hearing loss, has implications for worker’s health, ...Read more
Author:Edwards, ADate:Oct 2010This presentation discusses the use of Otoacoustic Emissions (OAEs) are a feasible alternative in the identification of the development of NIHL. Three types of OAEs are discussed: Spontaneous (SOAE), Transient (TEOAE), Distortion Product ...Read more