AN EVALUATION OF THE EQUIVALENT DOSE DUE TO NATURAL RADIOACTIVITY IN THE SOIL AROUND THE CONSOLIDATED TIN MINE IN BAUKURU-JOS, PLATEAU STATE OF NIGERIA

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AJAYI I.R.

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Journal Paper

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Journal: International Journal of Radiation Research Year:2008 | Volume:5 | Issue:4 Page(s): 203-206

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Title

AN EVALUATION OF THE EQUIVALENT DOSE DUE TO NATURAL RADIOACTIVITY IN THE SOIL AROUND THE CONSOLIDATED TIN MINE IN BAUKURU-JOS, PLATEAU STATE OF NIGERIA

Author(s)

AJAYI I.R. | Issue Writer Certificate

Keywords

EQUIVALENT DOSE

NATURAL RADIOACTIVITY

GAMMARAY

SCINTILLATION DETECTOR

SOIL

ABSORBED DOSE

Abstract

Background: The EQUIVALENT DOSE in the human body due to the natural gamma-emitting radionucides (238U, 232Th and 40K) in the surface SOIL surrounding the Consolidated Tin mine site in Bukuru-Jos, Nigeria has been determined in this study. Materials and Methods: Measurements of the SOIL NATURAL RADIOACTIVITY were made using a multi-channel pulseheight analyzer (Canberra Series 10 plus) coupled to a 76 mm×76 mm Nal (Tl) SCINTILLATION DETECTOR. Results: The mean concentrations obtained for each of the radionuclides is 35.4±17.6 Bq/kg for 40K; 776.0±158.0 Bq/kg for 238U and 2.72±0.58 kBq/kg for 232Th. The mean ABSORBED DOSE rate due to NATURAL RADIOACTIVITY calculated at a height of 1.0 m above the ground is 2.16 |m|Gy/hr which converts to an EQUIVALENT DOSE of 3.0 mSv/y. Conclusion: The results obtained in this study are far above the world average EQUIVALENT DOSE of 0.41 mSv/y but lower than the annual limit of 20 mSv/y for radiation workers but still represents a health risk to workers on the site.

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APA: Copy

AJAYI, I.R.. (2008). AN EVALUATION OF THE EQUIVALENT DOSE DUE TO NATURAL RADIOACTIVITY IN THE SOIL AROUND THE CONSOLIDATED TIN MINE IN BAUKURU-JOS, PLATEAU STATE OF NIGERIA. INTERNATIONAL JOURNAL OF RADIATION RESEARCH, 5(4), 203-206. SID. https://sid.ir/paper/286435/en

Vancouver: Copy

AJAYI I.R.. AN EVALUATION OF THE EQUIVALENT DOSE DUE TO NATURAL RADIOACTIVITY IN THE SOIL AROUND THE CONSOLIDATED TIN MINE IN BAUKURU-JOS, PLATEAU STATE OF NIGERIA. INTERNATIONAL JOURNAL OF RADIATION RESEARCH[Internet]. 2008;5(4):203-206. Available from: https://sid.ir/paper/286435/en

IEEE: Copy

I.R. AJAYI, “AN EVALUATION OF THE EQUIVALENT DOSE DUE TO NATURAL RADIOACTIVITY IN THE SOIL AROUND THE CONSOLIDATED TIN MINE IN BAUKURU-JOS, PLATEAU STATE OF NIGERIA,” INTERNATIONAL JOURNAL OF RADIATION RESEARCH, vol. 5, no. 4, pp. 203–206, 2008, [Online]. Available: https://sid.ir/paper/286435/en

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