ASSESSMENT OF NOISE POLLUTION AND ITS EFFECTS ON STONE CUT INDUSTRY WORKERS OF MALAYER DISTRICT

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GOLMOHAMMADI R.; ZIAD M.; ATARI S.G.A.D.

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Journal: IRAN OCCUPATIONAL HEALTH JOURNAL Year:2006 | Volume:3 | Issue:1-2 Page(s): 23-27

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Information Journal Paper

Title

ASSESSMENT OF NOISE POLLUTION AND ITS EFFECTS ON STONE CUT INDUSTRY WORKERS OF MALAYER DISTRICT

Author(s)

GOLMOHAMMADI R. | ZIAD M. | ATARI S.G.A.D. | Issue Writer Certificate

Keywords

NOISEQ2

STONE CUT INDUSTRIESQ4

SPLQ4

NIHLQ4

Abstract

Background and Aims: NOISE is one of the important injurious agents causing hearing loss or various incidents. High levels of NOISE pollution affect workers in stone industries. Iran has the world second rank in production of 9 million tone stone. There are 1806 stone cutting and 230 stone processing units with 6 million tones processing in the country, of them 22 stone cutting and 3.2 percent of stone processing units are located in Hamedan province.Method: In this survey 10 stone cutting units of Malayer district were chosen. NOISE pollution was measured by sound level meter (model 2230 B&K). General NOISE using grinding method and worker posture was measured. One octave band frequency analyzing was measured in 21 stations (more than 85 dBA). Equivalent levels (leq) and NOISE Induced Hearing Loss (NIHL) were calculated for 40 workers in the units. Results: Average leq was 91.1 dBA (SD: 5.5) and mean work experience was 10.9 (SD: 5.5) years). Regression analysis showed a significant correlation between NIHL and Leq (8hr) (p<0.05). NIHL and work experience was also correlated (P< 0.05). Granite stone industries octave band NOISE analysis had a major SPL in high frequency while other industries had low frequency. Conclusion: NIHL results in this study revealed minimal loss; however, the workers did not have long experience. A severe hearing loss in subsequent years is expected. Selection of acoustic absorbers for stone cutting units should be considered.

Cites

ASSESSMENT OF THE EFFECT OF OCCUPATIONAL NOISE ON WORKERS HEARING IN SMALL SCALE INDUSTRIES IN TEHRAN

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APA: Copy

GOLMOHAMMADI, R., ZIAD, M., & ATARI, S.G.A.D.. (2006). ASSESSMENT OF NOISE POLLUTION AND ITS EFFECTS ON STONE CUT INDUSTRY WORKERS OF MALAYER DISTRICT. IRAN OCCUPATIONAL HEALTH JOURNAL, 3(1-2), 23-27. SID. https://sid.ir/paper/129086/en

Vancouver: Copy

GOLMOHAMMADI R., ZIAD M., ATARI S.G.A.D.. ASSESSMENT OF NOISE POLLUTION AND ITS EFFECTS ON STONE CUT INDUSTRY WORKERS OF MALAYER DISTRICT. IRAN OCCUPATIONAL HEALTH JOURNAL[Internet]. 2006;3(1-2):23-27. Available from: https://sid.ir/paper/129086/en

IEEE: Copy

R. GOLMOHAMMADI, M. ZIAD, and S.G.A.D. ATARI, “ASSESSMENT OF NOISE POLLUTION AND ITS EFFECTS ON STONE CUT INDUSTRY WORKERS OF MALAYER DISTRICT,” IRAN OCCUPATIONAL HEALTH JOURNAL, vol. 3, no. 1-2, pp. 23–27, 2006, [Online]. Available: https://sid.ir/paper/129086/en

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