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Ototoxic occupational exposures for a stock car racing team: I. Noise surveys.

Authors
Van Campen-LE; Morata-T; Kardous-CA; Gwin-K; Wallingford-KM; Dallaire-J; Alvarez-FJ
Source
J Occup Environ Hyg 2005 Aug; 2(8):383-390
NIOSHTIC No.
20028190
Abstract
The National Institute for Occupational Safety and Health (NIOSH) surveyed noise exposure for a professional stock car team at their race shop and during two races at one racetrack. At the team's shop, area sound pressure levels (SPLs) were measured for various work tasks. Equivalent levels (Leqs) ranged from 58 to 104 decibels, A-weighted (dBA). Personal noise dosimetry was conducted for at least one employee for each job description in race car assembly (n = 9). The Occupational Safety and Health Administration (OSHA) permissible exposure limit (PEL) of 90 dBA for an 8-hour, 5-dB exchange rate time-weighted average (TWA) was never exceeded, but in two instances values exceeded OSHA's action level of 85 dBA for hearing conservation implementation. The NIOSH recommended exposure limit (REL) of 85 dBA for a 3-dB exchange rate Leq was exceeded for five of the measured jobs. During the races, SPLs averaged above 100 dBA in the pit area where cars undergo adjustments/refueling, both before and during the race. Peak levels reached 140 dB SPL. NIOSH REL was exceeded for every personal noise dosimetry measurement. Recommendations for hearing protection and communication are presented.
Keywords
Ototoxicity; Occupational-exposure; Noise-exposure; Dosimetry; Exposure-limits; Noise-levels; Noise-analysis; Hearing-conservation; Hearing-protection
CODEN
JOEHA2
Publication Date
20050801
Document Type
Journal Article
Fiscal Year
2005
NTIS Accession No.
NTIS Price
Issue of Publication
8
ISSN
1545-9624
NIOSH Division
DART; DSHEFS
Source Name
Journal of Occupational and Environmental Hygiene
State
OH; NC
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