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Indoor Exposure to Environmental Gamma Radiation in selected Locations in Ibadan, Southwestern Nigeria

Journal: International Journal of Trend in Scientific Research and Development (Vol.3, No. 6)

Publication Date:

Authors : ;

Page : 576-580

Keywords : Indoor Exposure; Thermoluminescent Dosimeter; Absorbed Dose;

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Abstract

Indoor exposure to gamma radiation was investigated in some selected location in Ibadan, Southwestern Nigeria to determine and compare the levels of exposure to radiations in houses built with differing materials. Measurements were obtained using the LiF Thermoluminescent Dosimeters TLDs . LiF TLD was used because of its general resistance to corrosion and water, good response to gamma radiation and because they have no radiation - induced thermoluminescence TL which interferes with measurements of low exposures. Results show that average absorbed dose in cement sand building is 0.0285 ±0.0055µSv h , average absorbed dose in houses built with soil or mud is 0.0200 ±0.0035 µSv h and that of baked clay is 0.024 ±0.002 µSv h. It was observed from the results that the total annual effective absorbed dose equivalence in each of the three building types is less than the global minimum permissible dose. Babatunde A. Adebo "Indoor Exposure to Environmental Gamma Radiation in selected Locations in Ibadan, Southwestern Nigeria" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-6 , October 2019, URL: https://www.ijtsrd.com/papers/ijtsrd21614.pdf Paper URL: https://www.ijtsrd.com/physics/other/21614/indoor-exposure-to-environmental-gamma-radiation-in-selected-locations-in-ibadan-southwestern-nigeria/babatunde-a-adebo

Last modified: 2019-11-16 14:15:12