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Noise exposure and hearing levels of workers in the sheet metal construction trade.

Authors
Kenney-GD; Ayer-HE
Source
Am Ind Hyg Assoc J 1975 Aug; 36(8):626-632
NIOSHTIC No.
00053584
Abstract
Hearing and noise levels were measured at a job site involving sheet metal construction work and at a sheet metal fabrication shop. Noise levels up to 114 decibels A (slow response) were measured when various powered hand tools were used. Noise levels exceeded 85 decibels A between one-fourth and one-third of the time. Impact noise levels averaged about 120-125 decibels peak sound pressure level. Audiometric examinations showed that this group of construction workers had hearing losses, with the majority of the loss occurring in the 3 kilohertz to 6 kilohertz range. In addition the loss became more severe with increasing age. Temporary threshold shifts were observed both on the jobsite and in the shop after a single eight-hour exposure.
Keywords
NIOSH-Publication; NIOSH-Grant; Reproductive-system-disorders; Acoustical-measurements; Noise-levels; Noise-control; Noise-sources; Hearing-disorders; Age-factors; Acoustic-trauma; Hearing-tests; Metalworking; Manual-equipment
Contact
Environmental Health Kettering Laboratory College of Medicine Cincinnati, Ohio 45219
CODEN
AIHAAP
Publication Date
19750801
Document Type
Journal Article
Funding Amount
714769
Funding Type
Grant
Fiscal Year
1975
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-T01-OH-00028
Issue of Publication
8
ISSN
0002-8894
Source Name
American Industrial Hygiene Association Journal
State
OH
Performing Organization
University of Cincinnati, Cincinnati, Ohio
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