Interior noise profiles of buses in Curitiba |
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| Institution: | 1. DLR – Deutsches Zentrum für Luft- und Raumfahrt e. V., Projektträger, Bereich “Umwelt und Nachhaltigkeit”, 53227 Bonn, Germany;2. Dr. Joachim und Hanna Schmidt Stiftung für Umwelt und Verkehr, Eichholz 56, 20459 Hamburg, Germany;3. Consiglio per la Ricerca in Agricoltura e l’Analisi dell’Economia Agraria – Centro di Ricerca Agricoltura e Ambiente, Via della Navicella 2, 00184 Roma, Italy;1. Department of Radiology, Vancouver General Hospital, University of British Columbia, Vancouver, British Columbia, Canada;2. Faculty of Medicine, McGill University, Montreal, Quebec, Canada;3. Faculty of Science, University of British Columbia, Vancouver, British Columbia, Canada;1. Hospital del Mar Medical Research Institute (IMIM), Barcelona, Catalonia, Spain;2. CIBER de Epidemiología y Salud Pública (CIBERESP), Spain;3. School of Medicine, Universitat Autònoma de Barcelona, Spain;4. Universitat Pompeu Fabra, Catalonia, Spain;1. Department of Surgery, City of Hope National Medical Center, Duarte, CA;2. Department of Surgery, Kaiser Permanente, Los Angeles, CA;3. Department of Surgery, Severence Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea |
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| Abstract: | This study evaluates the noise level exposure of noise levels to which the bus drivers in Curitiba. Two measurements were taken inside 25 buses, the first close to the driver and the second at the back of the bus. In 23 buses the noise exposure of drivers was ‘acceptable’ according to the definition of the Occupational Health Standard of the Brazilian Ministry of Labor. On the other hand, the normalized exposure levels were all over 65 dB(A) in all cases making the work environment ‘uncomfortable’ according to the Brazilian Legislation for Ergonomics (NR-17). The year of manufacture and the location of the engine are relevant factors in determining the noise inflicted on drivers. |
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