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Noise and Hearing Survey for the U. S. Army Topographic Command, Washington, D. C.

Authors
Scheib-BT; Carpenter-P
Source
NIOSH 1971 Nov:68 pages
Link
NIOSHTIC No.
00232649
Abstract
A survey was conducted to evaluate noise conditions in several departments of the US Army Topographic Command, Washington, DC so that noise exposure levels could be related to hearing impairment in workers, in an effort to establish limits for safeguarding hearing. The survey was also designed to describe the prevalence and magnitude of hearing losses experienced in various groups of workers and to evaluate the efficiency of different schemes used in noise hazard rating. The noise exposed workers included pressmen, bindery workers, shredder operators, carpenters, and relief model reproducers. Hearing impairments were detected in 3.2% of the non noise exposed group while 10.8% of the noise exposed sample had hearing impairments. Individuals with sensorineural hearing impairments demonstrated speech discrimination scores which were 20 to 25% lower than normal listeners. The authors conclude that of the five sections suspected of having noise levels in excess of OSHA criteria, four had levels which could be considered potentially hazardous. These included pressmen, shredder operators, carpenters, and relief model reproducers. The pressmen, carpenters, and relief model reproducers had hearing losses which could be directly attributed to work noise exposure. The older noise exposed workers had hearing levels which were significantly worse than the hearing levels of workers matched by age who had only limited noise exposure.
Keywords
Noise-induced-hearing-loss; Printing-presses; Noise-exposure; Occupational-exposure; Printing-industry; Industrial-noise; Hearing-impairment;
Publication Date
19711101
Document Type
Other;
Fiscal Year
1972
NTIS Accession No.
NTIS Price
Priority Area
Noise-induced-hearing-loss
Source Name
NIOSH, U.S. Department of Health, Education, and Welfare, Cincinnati, Ohio, 68 pages, 13 references
State
WA; OH;
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