1csd101firstclass-11-1 - CSD 101 Preventing Hearing Loss...

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Blood, CSD 101 1 CSD 101 Preventing Hearing Loss OVERVIEW Introduction to Noise Basic Acoustics Basic Terminology Anatomy & Physiology of the Ear Hearing Hearing Loss Noise Control Noise Measurements Noise Exposure Hearing Protection - What you can do
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Blood, CSD 101 2 NOISE According to the United States Department of Labor, “every year, approximately 30 million people in the U.S. are occupationally exposed to hazardous noise. Fortunately, the incidence of noise-induced hearing loss can be reduced or eliminated through the successful application of engineering controls and hearing conservation programs.
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Blood, CSD 101 3 NOISE Unfortunately, noise- induced hearing loss is a permanent hearing loss. Recent surveys and data suggest that the incidence of hearing loss is occurring at younger ages than in the past few decades.
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Blood, CSD 101 4 NOISE taken from http://www.1upinfo.com/encyclopedia/N/noisepol.html Noise pollution is defined as human-created noise harmful to health or welfare. Transportation vehicles are the worst offenders, with aircraft, railroad stock, trucks, buses, automobiles, and motorcycles all producing excessive noise. Construction equipment, for example, jackhammers and bulldozers, also produce substantial noise pollution.
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Blood, CSD 101 5 NOISE from the Noise Pollution Clearinghouse Noise is unwanted sound; it is derived from the Latin word "nausea," meaning seasickness. Noise is among the most pervasive pollutants
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This note was uploaded on 06/09/2008 for the course CSD 101 taught by Professor Blood,ingridmari during the Summer '07 term at Pennsylvania State University, University Park.

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1csd101firstclass-11-1 - CSD 101 Preventing Hearing Loss...

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