Working group 1. Hearing loss: occupational and non-occupational.
Combatting Noise in the '90s: A National Strategy for the United States, Symposium Final Report and Recommendations from the Professional Community to the 102nd Congress, American Speech-Language-Hearing Association, Rockville, Maryland 1991 Dec:29-30
The extent of hearing loss in the United States (US), its physiological basis, government regulation of noise in the workplace, and recommendations for reducing noise induced hearing loss (NIHL) were discussed. Although one quarter of the US workforce was cited as being occupationally exposed to hazardous noise, environmental sound was seen as affecting the entire population. The causes of noise induced hearing loss were discussed in terms of instantaneous damage by sources such as explosions and firearm discharges, or by insidious exposure to constant or intermittent noise in the range of 80 to 130 decibels-A. The physiological changes leading to hearing loss were described as injury to the cochlea due to damaged hair cells. The current regulatory exposure limits on occupational noise were considered to be appropriately low to prevent hearing loss. The limited enforcement of these limits was seen as a major impediment to reducing NIHL in the US. The most important cause of NIHL among the general population was considered to be generated by firearms during target practice or hunting. The authors recommend that enforcement of existing noise limits be broadened, with a designated government entity responsible to coordinate the noise reduction and hearing preservation effort, reduction of hazardous noise at its source, education of the public, and continued research into the effects of noise.
NIOSH-Grant; Noise-induced-hearing-loss; Occupational-exposure; Environmental-exposure; Noise-control; Noise-exposure; Impact-noise; Industrial-noise; Hearing-impairment
Research Central Inst for the Deaf 818 South Euclid St Louis, MO 63110
Combatting Noise in the '90s: A National Strategy for the United States, Symposium Final Report and Recommendations from the Professional Community to the 102nd Congress, American Speech-Language-Hearing Association, Rockville, Maryland
Central Institute for the Deaf, Saint Louis, Missouri