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Noise Pollution Evaluation in Residential and Residential– Commercial Areas in Tabriz-Iran

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Author(s): M Ghanbari | K Nadafi | M Mosaferi | M Yunesian

Journal: Iranian Journal of Health and Environment
ISSN 2008-2029

Volume: 4;
Issue: 3;
Start page: 375;
Date: 2011;
Original page

Keywords: Noise | Sound Pressure Level | Sound Standard | Tabriz

ABSTRACT
Background and Objectives: Over the last three decades environmental pollutions became a more noticeable problem in all around of the world. In many countries, noise pollution as a basic problem has a great importance.Development of the city, increasing of industrial centers, increasing vehicles, other annoying noise resources and also little information about the noise pollution of Tabriz city, has led to the doing of this research.Materials and Methods: Sampling and measuring of noise pressure levels was done 180 times According to the EPA standards, measuring was done simultaneously in two stations(commercial-residential areas), three times a day (morning 7:30 -9:30 am, midday 12:30-14:30 pm and night 19:00-21:00 pm) and 30 days in month.Results: Sound pressure level in both stations was higher than the standards and the highest average level with 71.4 db was recorded in Raste-koche station at midday. Also lowest calculated average value with 68.5 db was measured in Golbad station at the morning time that is 8.5 db higher than the standards. Conclusion: Average measured sound pressure level in two stations was higher than the standards. The results show that Tabriz has a noise pollution in commercial and residential - commercial areas. It is suggested that other noise pollution resources identified and the proper management actions for its reduction be done.
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