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 1 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 
Link http://oeh.informaworld.com/soeh/content~content=a725848994 
NIOSHTIC No. 20028190 
AbstractThe 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. 
KeywordsOtotoxicity; Occupational-exposure; Noise-exposure; Dosimetry; Exposure-limits; Noise-levels; Noise-analysis; Hearing-conservation; Hearing-protection 
CODENJOEHA2 
Publication Date20050801 
Document TypeJournal Article 
Fiscal Year2005 
NTIS Accession No. 
NTIS Price 
Issue of Publication8 
ISSN1545-9624 
NIOSH DivisionDART; DSHEFS 
Source NameJournal of Occupational and Environmental Hygiene 
StateOH; NC 
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