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Introduction to industrial hygiene engineering and control, module 4 - instructor's manual. Sound.

Authors
NIOSH
Source
NIOSH 1978 Nov; :1-219
Link
NIOSHTIC No.
00233169
Abstract
The material in this instructor's manual was designed for use at the college or university level for students in an advanced course on industrial hygiene; this module covered sound. The module was divided into four units. Unit one discussed the physics of sound with lessons dealing with the definition of sound, sound waves, sound pressure, sound power, and sound intensity. Discussions were offered on decibels, sound pressure level, sound power level, and sound intensity level, plus the direct activity factor. Sound in a room, absorption coefficient, noise reduction and transmission loss were considered as well in this unit. Unit two discussed the anatomy and physiology of the ear, the threshold of hearing, and annoyance of noise. Unit three discussed vibration, cause of and methods of controlling vibration, and the effects of vibration on man. Unit four discussed controlling noise in an existing facility at the source and along the path and introduces the use of enclosures. This unit also considered controlling noise at the receiver end.
Keywords
Noise-exposure; Noise-control; Industrial-noise; Hearing-loss; Noise-induced-hearing-loss; Control-technology; Vibration-exposure; Industrial-hygiene
Publication Date
19781101
Document Type
Other
Fiscal Year
1979
NTIS Accession No.
PB97-124432
NTIS Price
A11
NIOSH Division
DTMD
Priority Area
Noise-induced-hearing-loss
Source Name
Division of Training and Manpower Development, NIOSH, U.S. Department of Health, Education and Welfare, Cincinnati, Ohio, 219 pages, 8 references
State
OH
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