DETERMINATION THE LEVEL OF DUST AND FREE SILICA IN AIR OF KHAF IRAN STONE QUARRIES

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NAGHIZADEH A.; MAHVI A.H.; JABARI HOSSEIN; DADPOUR A.A.R.; KARIMI MINOU

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Journal: Iranian Journal of Health and Environment Year:2008 | Volume:1 | Issue:1 (1) Page(s): 37-44

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Title

DETERMINATION THE LEVEL OF DUST AND FREE SILICA IN AIR OF KHAF IRAN STONE QUARRIES

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Keywords

KHAF IRON STONE QUARRIESQ3

DUSTQ2

FREE SILICAQ3

X-RAY DIFFRACTION (XRD)Q3

Abstract

Background and Objectives: Silica is an inorganic material that found in the nature in various forms. The hazard of crystal of silica or a-quartz (free silica) is greater than other forms. Exposure to DUST that contains FREE SILICA result to pulmonary injury and result to silicosis and death finally. The present research was conducted in order to evaluate the level of workers exposure to FREE SILICA in air of KHAF IRON STONE QUARRIES.Materials and methods: The exposure level to total and respiratory DUST measured based on personal and environmental sampling methods and concentration of DUST determined based on gravimetric method. For determination of amounts of FREE SILICA, DUST samples analyses based on X-ray diffraction (XRD) method, and results compared with standard levels.Results: The maximum amount of total DUST and FREE SILICA measured in stone breaking station (800±155mg/m3 and 26.11±6.7 mg/m3) and minimum of them measured in official and safeguarding station (8.28±2.2 mg/m3 and 0.012±0.0019 mg/m3). The maximum amount of respiratory DUST and FREE SILICA measured in red mound digging number 1 (66.14±13.45 mg/m3 and 1.48±0.39 mg/m3) and minimum of them measured in air hammer machine station (5.26±2.62 mg/m3 and 0.01±0.005 mg/m3).Conclusion: Amount of total DUST only in official and safeguarding station was lower than standard levels of Iran. Amount of respiratory DUST in all stations was greater than Iran standard levels. Furthermore the level of respiratory FREE SILICA only in airy hammer machine station was lower than standard level of Iran. Regarding to this amounts it is so essential to that with applying different methods generation and emission of DUST protected.

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APA: Copy

NAGHIZADEH, A., MAHVI, A.H., JABARI, HOSSEIN, DADPOUR, A.A.R., & KARIMI, MINOU. (2008). DETERMINATION THE LEVEL OF DUST AND FREE SILICA IN AIR OF KHAF IRAN STONE QUARRIES. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, 1(1 (1)), 37-44. SID. https://sid.ir/paper/145870/en

Vancouver: Copy

NAGHIZADEH A., MAHVI A.H., JABARI HOSSEIN, DADPOUR A.A.R., KARIMI MINOU. DETERMINATION THE LEVEL OF DUST AND FREE SILICA IN AIR OF KHAF IRAN STONE QUARRIES. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT[Internet]. 2008;1(1 (1)):37-44. Available from: https://sid.ir/paper/145870/en

IEEE: Copy

A. NAGHIZADEH, A.H. MAHVI, HOSSEIN JABARI, A.A.R. DADPOUR, and MINOU KARIMI, “DETERMINATION THE LEVEL OF DUST AND FREE SILICA IN AIR OF KHAF IRAN STONE QUARRIES,” IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, vol. 1, no. 1 (1), pp. 37–44, 2008, [Online]. Available: https://sid.ir/paper/145870/en

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