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 1 A task-based assessment of noise levels at a swine confinement
Authors Achutan-C; Tubbs-R 
Source J Agromed 2007 Apr; 12(2):55-65 
Link http://dx.doi.org/10.1300/J096v12n02_07 
NIOSHTIC No. 20033032 
AbstractThis study describes a task-based noise evaluation conducted at a community college that operated a small swine confinement for training and profit. Seven full-shift dosimeter samples and area noise data were collected during the evaluation. The time weighted average noise levels were all well below the Occupational Safety and Health Administration's (OSHA) Permissible Exposure Limit, but exceeded the National Institute for Occupational Safety and Health's Recommended Exposure Limit on three of seven occasions. The potential for high noise exposures is evidenced in the noise dose measured for specific activities such as power washing, ear clipping, and snout snaring. When the data were extrapolated to depict exposures where specific tasks were carried out over a full shift, tasks such as power washing and snout snaring would exceed the OSHA Action Level (AL). Employees who exceed the OSHA AL are required to be enrolled in a hearing conservation program. 
KeywordsDosimetry; Noise-measurement; Noise-levels; Noise-sources; Hearing-level; Hearing-threshold; Animals 
ContactChandran Achutan PhD, Industrial Hygienist, Hazard Evaluations and Technical Assistance Branch, National Institute for Occupational Safety and Health, Cincinnati, OH, 45226 
Publication Date20070406 
Document TypeJournal Article 
Email Addresscma4@cdc.gov 
Fiscal Year2008 
NTIS Accession No. 
NTIS Price 
Issue of Publication
ISSN1059-924X 
NIOSH DivisionDSHEFS 
Source NameJournal of Agromedicine 
StateOH 
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