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Pow! - Noise and Hearing Loss - NIH Consensus Development Conference
January 22, 1990
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The National Institutes of Health Consensus Development Conference on Noise and Hearing Loss brought together biomedical and behavioral scientists, health care providers, and the public to address the characteristics of noise-induced hearing loss, acoustic parameters of hazardous noise exposure, individual and age-specific susceptibility, and prevention strategies. Following a day and a half of presentations by experts and discussion by the audience, a consensus panel weighed the evidence and prepared a consensus statement. Among their findings, the panel concluded that sounds of sufficient intensity and duration will damage the ear and result in temporary or permanent hearing loss at any age. Sound levels of less than 75 dB(A) are unlikely to cause permanent hearing loss, while sound levels above 85 dB(A) with exposure of 8 hours per day will produce permanent hearing loss after many years. Current scientific knowledge is inadequate to predict that any particular individual will be safe when exposed to a hazardous noise. Strategies to prevent damage from sound exposure should include the use of individual hearing protection devices, education programs beginning with school-age children, consumer guidance, increased product noise labeling, and hearing conservation programs for occupational settings.
Product Noise Labeling Standards - Draft - Background Document for Product Noise Labeling General Provisions
April 1, 1977
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This Background Document has been prepared by the Environmental Protection Agency in support of the Proposed Product Noise Labeling Standards - General Provisions. The proposed regulation will be promulgated under the authority of sections 8, 10, 11, and 13 of the Noise Control Act of 1972.
Product Noise Labeling Standards - Draft - Background Document for the Labeling of Hearing Protectors
April 1, 1977
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This Background Document has been prepared by the Environmental Protection Agency in support of the Proposed Noise Labeling Standards for Hearing Protectors. The proposed regulation will be promulgated under the authority of sections 8, 10, 11, and 13 of the Noise COntrol Act of 1972.