A Study of sound pressure level, frequency analysis and sound  spectrum levels calculation in Crepnaz factories of Kermanshah ‎city  ‎(2014)‎

Masoud Ghanbari; Hajiali Yartire; Hosein Ashtarian; Kamran Salimi; Dariush Pourman; Leila Mostafaei

Journal of Clinical Research in Paramedical Sciences

The Official Journal of Paramedical School, KUMS

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A Study of sound pressure level, frequency analysis and sound spectrum levels calculation in Crepnaz factories of Kermanshah ‎city ‎(2014)‎

Author(s):

Masoud Ghanbari ¹,

Hajiali Yartire ^1,*,

Hosein Ashtarian²,

Kamran Salimi ³,

Dariush Pourman³,

Leila Mostafaei¹

1Department of Occupational Health, School of Health, Kermanshah University of Medical Sciences, Kermanshah‎, Iran

2Department of Public Health, School of health, Kermanshah University of Medical Sciences, Kermanshah‎, Iran

3Department of Medical Laboratory Sciences, School of Paramedicine, Kermanshah University of Medical Sciences, Kermanshah‎, Iran

Journal of Clinical Research in Paramedical Sciences:Vol. 3, issue 4; e82142

Published online:Feb 25, 2015

Article type:Research Article

Received:Jul 25, 2014

Accepted:Jan 27, 2015

How to Cite:Masoud Ghanbari Hajiali Yartire Hosein AshtarianKamran Salimi Dariush Pourman Leila Mostafaeiet al.A Study of sound pressure level, frequency analysis and sound spectrum levels calculation in Crepnaz factories of Kermanshah ‎city ‎(2014)‎.J Clin Res Paramed Sci.3(4):e82142.

Abstract

Background: Noise, is one of the most common sources of occupational diseases, which has a physical nature studied in various forms. Since few studies have been conducted on some of
these forms, such as the calculation of sound spectrum level, the present study was done to assess the balance of spectrum in Crepenaz textile factory.
Methods: In this study, first, Pykanol Hall in Crepenaz factory, which is the most important location in terms of noise production, was set up into 286 sound stations with 6 in 6 meters wide for each
one. In addition, noise levels have also been studied. The sound pressure is measured using a sound level meter and subsequently frequency analysis was performed in the stations with the level of
noise more than 85 dB. In the third step, with calculation of the balance of spectrum in these stations, an opportunity was provided to facilitate the comparison of the extent of the risk
exposure in the stations.
Results: Of 286 sound stations, only 73 were active. In seven stations, the sound pressure level was more than 85 dB. A comparison between sound levels was subsequently provided and carried out.
Conclusion: The present study demonstrated a distribution of sound pressure levels in the different parts of the factory. The sound control in this work place was provided through
determining the stations with high sound levels and calculating the sound levels.

Keywords

analysis of the frequency

sound spectrum levels

sound pressure level

Crepenaz factory

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