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Wyszukujesz frazę "exposure to noise" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Occupational Exposure to Noise From Authorized Emergency Vehicle Sirens
Autorzy:
Górski, P.
Powiązania:
https://bibliotekanauki.pl/articles/90029.pdf
Data publikacji:
2014
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
emergency vehicles
occupational exposure to noise
drivers
narażenie zawodowe
narażenie na hałas
sygnały ostrzegawcze
Opis:
Warning signals generated by sirens of authorized emergency vehicles should be audible and recognizable to all road users. Currently, there is no legislation in Poland defining sound pressure levels (SPLs) of audible warning signals generated by sirens of authorized emergency vehicles. Measured A-weighted SPLs of those signals range between 104 and 108 dB. While for road users, an audible warning signal is a source of important information and its A-weighted SPL is acceptable, it may be a source of annoying noise to an emergency vehicle crew. That is why, it is necessary to find a method of improving the acoustic comfort of the crew and, at the same time, maintaining the informational function of audible warning signals.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2014, 20, 3; 515-523
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of Sound Exposure and Risk of Hearing Impairment in Orchestral Musicians
Autorzy:
Pawlaczyk-Łuszczyńska, M.
Dudarewicz, A.
Zamojska, M.
Śliwinska-Kowalska, M.
Powiązania:
https://bibliotekanauki.pl/articles/90038.pdf
Data publikacji:
2011
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
musicians
exposure to orchestral noise
risk of noise-induced hearing loss
Opis:
This study aimed to assess exposure to sound and the risk of noise-induced hearing loss (NIHL) in orchestral musicians. Sound pressure level was measured in 1 opera and 3 symphony orchestras; questionnaires were filled in. On the basis of that data, the risk of NIHL was assessed according to Standard No. ISO 1999:1990. Classical orchestral musicians are usually exposed to sound at equivalent continuous A-weighted sound pressure levels of 81−90 dB (10th−90th percentiles), for 20−45 h (10th−90th percentiles) per week. Occupational exposure to such sound levels over 40 years of employment might cause hearing loss (expressed as a mean hearing threshold level at 2, 3, 4 kHz exceeding 35 dB) of up to 26%. Playing the horn, trumpet, tuba and percussion carries the highest risk (over 20%).
Źródło:
International Journal of Occupational Safety and Ergonomics; 2011, 17, 3; 255-269
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Self-Assessment of Hearing Status and Risk of Noise-Induced Hearing Loss in Workers in a Rolling Stock Plant
Autorzy:
Pawlaczyk-Łuszczyńska, M.
Dudarewicz, A.
Zamojska, M.
Śliwinska-Kowalska, M.
Powiązania:
https://bibliotekanauki.pl/articles/90180.pdf
Data publikacji:
2012
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
self-assessment of hearing ability
occupational exposure to noise
risk factors for noise-induced hearing loss (NIHL)
evaluation of NIHL risk
Opis:
Noise measurements and questionnaire inquiries were carried out for 124 workers of a rolling stock plant to develop a hearing conservation program. On the basis of that data, the risk of noise-induced hearing loss (NIHL) was evaluated. Additionally, the workers’ hearing ability was assessed with the (modified) Amsterdam inventory for auditory disability and handicap, (m)AIADH. The workers had been exposed to noise at A-weighted daily noise exposure levels of 74–110 dB for 1-40 years. Almost one third of the workers complained of hearing impairment and the (m)AIADH results showed some hearing difficulties in over half of them. The estimated risk of hearing loss over 25 dB in the frequency range of 3-6 kHz was 41–50% when the standard method of predicting NIHL specified in Standard No. ISO 1999:1990 was used. This risk increased to 50-67% when noise impulsiveness, coexposure to organic solvents, elevated blood pressure and smoking were included in calculations.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2012, 18, 2; 279-296
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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