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Noise exposures aboard catcher/processor fishing vessels.

Authors
Neitzel-RL; Berna-BE; Seixas-NS
Source
Am J Ind Med 2006 Aug; 49(8):624-633
NIOSHTIC No.
20030590
Abstract
Background: Commercial fishing workers have extended work shifts and potential for 24 hr exposures to high noise. However, exposures in this industry have not been adequately characterized. Methods: Noise exposures aboard two catcher/processors (C/P) were assessed using dosimetry, sound-level mapping, and self-reported activities and hearing protection device (HPD) use. These data were combined to estimate work shift, non-work, and 24 hr overall exposure levels using several metrics. The length of time during which HPDs were worn was also used to calculate the effective protection received by crew members. Results: Nearly all workers had work shift and 24 hr noise levels that exceeded the relevant limits. After HPD use was accounted for, half of the 24 hr exposures remained above relevant limits. Non-work-shift noise contributed nothing to 24 hr exposure levels. HPDs reduced the average exposure by about 10 dBA, but not all workers wore them consistently. Conclusions: The primary risk of hearing loss aboard the monitored vessels comes from work shift noise. Smaller vessels or vessels with different layouts may present more risk of hearing damage from non-work periods. Additional efforts are needed to increase use of HPDs or implement noise controls.
Keywords
Fishing-industry; Noise-exposure; Noise-induced-hearing-loss; Noise-measurement; Hearing-loss; Hearing-protection; Sound; Exposure-levels; Dosimetry; Noise-control; Work-environment
Contact
Richard L. Neitzel, Department of Environmental and Occupational Health Sciences, University of Washington, 4225 Roosevelt Way NE #100, Seattle,WA 98105
CODEN
AJIMD8
Publication Date
20060801
Document Type
Journal Article
Email Address
rneitzel@u.washington.edu
Funding Amount
1358789
Funding Type
Grant
Fiscal Year
2006
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-T42-CCT-010418
Issue of Publication
8
ISSN
0271-3586
SIC Code
NAICS-1141
Source Name
American Journal of Industrial Medicine
State
WA
Performing Organization
University of Washington, Seattle, Washington
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