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An investigation of noise levels in Alberta sawmills

American journal of industrial medicine, 2003-02, Vol.43 (2), p.156-164 [Peer Reviewed Journal]

Copyright © 2003 Wiley‐Liss, Inc. ;2003 INIST-CNRS ;Copyright 2003 Wiley-Liss, Inc. ;ISSN: 0271-3586 ;EISSN: 1097-0274 ;DOI: 10.1002/ajim.10173 ;PMID: 12541270 ;CODEN: AJIMD8

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Title:
An investigation of noise levels in Alberta sawmills
Author: Koehncke, Niels ; Taylor, Maurice ; Taylor, Chris ; Harman, Lloyd ; Hessel, Patrick A. ; Beaulne, Paul ; Guidotti, Tee
Subjects: Alberta ; Analysis of Variance ; Biological and medical sciences ; Canada ; Chi-Square Distribution ; Ear Protective Devices ; hearing protection ; Humans ; Medical sciences ; Miscellaneous ; noise ; Noise, Occupational - adverse effects ; Noise, Occupational - prevention & control ; Occupational Exposure - adverse effects ; Occupational Exposure - prevention & control ; Occupational medicine ; Public health. Hygiene-occupational medicine ; sawmills ; Seasons ; Wood
Is Part Of: American journal of industrial medicine, 2003-02, Vol.43 (2), p.156-164
Description: Background Noise exposure in the sawmill industry is an area of concern. This study documents the level of noise exposure in nine sawmills in the province of Alberta, Canada. Methods Personal noise monitoring data were collected in nine Alberta sawmills, in winter and in summer (n = 213). Exposures were considered in light of an estimated “real world” noise reduction rating (NRR) calculation assuming use of conventional hearing protection. Limited comparisons were made with spot area monitoring data. Results Only 10% of the personal monitoring measurements were below the Alberta 8‐hr exposure limit of 85 dBA. Twenty‐seven percent of the personal monitoring measurements were 95 dBA or higher. Worker enclosures played a large role in reducing noise exposure. There were no significant differences between seasons in noise category distributions (P = 0.61). The planermen and planer infeed operators had the highest percentage of personal monitoring measurements 95 dBA or higher (62% and 82%, respectively). Conclusions Based on a conservative formula, a risk of excess noise exposure could exist even when wearing required hearing protection due to very high noise levels found in planing operations in sawmills. Am. J. Ind. Med. 43: 156–164, 2003. © 2003 Wiley‐Liss, Inc.
Publisher: New York: Wiley Subscription Services, Inc., A Wiley Company
Language: English
Identifier: ISSN: 0271-3586
EISSN: 1097-0274
DOI: 10.1002/ajim.10173
PMID: 12541270
CODEN: AJIMD8
Source: MEDLINE
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An investigation of noise levels in Alberta sawmills

Copyright © 2003 Wiley‐Liss, Inc. ;2003 INIST-CNRS ;Copyright 2003 Wiley-Liss, Inc. ;ISSN: 0271-3586 ;EISSN: 1097-0274 ;DOI: 10.1002/ajim.10173 ;PMID: 12541270 ;CODEN: AJIMD8

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