DETERMINATION OF RADON EXHALATION FROM GRANITE, DOLERITE AND MARBLES DECORATIVE STONES OF THE AZAD KASHMIR AREA, PAKISTAN

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RAFIQUE M.; RATHORE M.H.

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST) Year:2013 | Volume:10 | Issue:5 Page(s): 1083-1090

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Title

DETERMINATION OF RADON EXHALATION FROM GRANITE, DOLERITE AND MARBLES DECORATIVE STONES OF THE AZAD KASHMIR AREA, PAKISTAN

Author(s)

RAFIQUE M. | RATHORE M.H. | Issue Writer Certificate

Keywords

CR-39 DETECTORS

DECORATIVE STONES

RADIUM

RADON EXHALATION

Abstract

Extensive export quality reserves of granite, dolerite and marbles which are used for interior decorations as wall facing, paving floors, kitchen counter tops, etc., are available in Azad Kashmir. Since these stones contain RADIUM in trace amounts, therefore, its use as a building material may be a potential source of indoor radon. In order to assess health hazards due to the use of these stones as a building material, samples were collected from different mining sites. After processing, these samples were placed in plastic containers and box type radon detectors were installed in it at the height of 25 cm above the surface of the samples. The containers were then hermetically sealed. After 60 days of exposure to radon, CR-39 DETECTORS were etched in 6 M NaOH at 70oC for 9 h and measured track densities were related to radon concentration. RADON EXHALATION rate form the studied granites, marble and dolerite samples varied from 87±26 to 353±36 mBq m-2h-1, 79±25 to 650±42 mBq m-2h-1 and 90±26 to 324±36 mBq m-2h-1, respectively. These DECORATIVE STONES are therefore used in buildings and for export purposes as the observed RADON EXHALATION values are smaller than that of the EPA recommended-action level.

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APA: Copy

RAFIQUE, M., & RATHORE, M.H.. (2013). DETERMINATION OF RADON EXHALATION FROM GRANITE, DOLERITE AND MARBLES DECORATIVE STONES OF THE AZAD KASHMIR AREA, PAKISTAN. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), 10(5), 1083-1090. SID. https://sid.ir/paper/285682/en

Vancouver: Copy

RAFIQUE M., RATHORE M.H.. DETERMINATION OF RADON EXHALATION FROM GRANITE, DOLERITE AND MARBLES DECORATIVE STONES OF THE AZAD KASHMIR AREA, PAKISTAN. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST)[Internet]. 2013;10(5):1083-1090. Available from: https://sid.ir/paper/285682/en

IEEE: Copy

M. RAFIQUE, and M.H. RATHORE, “DETERMINATION OF RADON EXHALATION FROM GRANITE, DOLERITE AND MARBLES DECORATIVE STONES OF THE AZAD KASHMIR AREA, PAKISTAN,” INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), vol. 10, no. 5, pp. 1083–1090, 2013, [Online]. Available: https://sid.ir/paper/285682/en

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