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Study on traffic noise level of Sylhet by multiple regression analysis associated with health hazards

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Author(s): J. B. Alam, M. Jobair Bin Alam, M. M. Rahman, A. K. Dikshit, S. K. Khan

Journal: Iranian Journal of Environmental Health Science & Engineering
ISSN 1735-1979

Volume: 3;
Issue: 2;
Start page: 71;
Date: 2006;
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Keywords: Sound Level | noise pollution | multiple regression | health hazard

ABSTRACT
The study reports the level of traffic-induced noise pollution in Sylhet City. For this purpose noise levels have been measured at thirty-seven major locations of the city from 7 am to 11 pm during the working days. It was observed that at all the locations the level of noise remains far above the acceptable limit for all the time. The noise level on the main road near residential area, hospital area and educational area were above the recommended level (65dBA). It was found that the predictive equations are in 60-70% correlated with the measured noise level. The study suggests that vulnerable institutions like school and hospital should be located about 60m away from the roadside unless any special arrangement to alleviate sound is used.
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