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Occupational and recreational noise exposures at stock car racing circuits.

Authors
Kardous-CA; Morata-T; Van Campen-LE
Source
J Acoust Soc Am 2006 Apr; 120(5)(Part 2):3280
NIOSHTIC No.
20038957
Abstract
Noise in stock car racing is accepted as a normal occurrence but the exposure levels associated with the sport have not been adequately characterized. Researchers from the National Institute for Occupational Safety and Health (NIOSH) conducted an exploratory assessment of noise exposures to drivers, pit crew, team staff, and spectators at three stock car racing events. Area measurements were made during race preparation, practice, qualification, and competition. Personal dosimetry measurements were conducted on drivers, crew members, infield staff, and spectators. Findings showed time-weighted averages (TWA) that ranged from 94 decibels A-weighted (dBA) for spectators to 114 dBA for car drivers. Peak sound-pressure levels exceeded the maximum allowable limit of 140 decibels (dB) during race competitions. Personal exposure measurements exceeded the NIOSH recommended exposure limit (REL) of 85 dBA as an 8-h TWA in less than a minute for one driver during practice, within 2 min for pit crew and infield staff, and 7 to 10 min for spectators during the race. Hearing protection use was variable and intermittent among crew, staff, and spectators. Among drivers and crew, there was greater concern for communication performance than for hearing protection.
Keywords
Noise; Noise-exposure; Drivers; Injury-prevention; Noise-induced-hearing-loss; Noise-levels; Hearing-impairment; Hearing-loss; Exposure-assessment; Noise-measurement; Dosimetry; Time-weighted-average-exposure; Sound-analyzers; Permissible-concentration-limits; Hearing-protection; Work-environment; Work-practices; Auditory-system; Entertainers
Contact
Chucri A. Kardous, National Institute for Occupational Safety Health, DART, 4676 Columbia Parkway, Cincinnati, OH 45226
CODEN
JASMAN
Publication Date
20060401
Document Type
Abstract
Email Address
ckardous@cdc.gov
Fiscal Year
2006
NTIS Accession No.
NTIS Price
Issue of Publication
5
ISSN
0001-4966
NIOSH Division
DART
Source Name
Journal of the Acoustical Society of America
State
OH
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