Radioactivity And Dose Assessment Of Rock And Soil Samples From Homa Mountain, Homa Bay County, Kenya
نویسندگان
چکیده
The in situ measured average outdoor absorbed dose rate in air was found to vary from 108.4 to 1596.4 nGy h at Homa Mountain area in southwestern Kenya. Rock and soil samples collected gave average values of the radioactivity concentrations of K, Ra and Th of 915.6, 195.3 and 409.5 Bq kg, respectively. The range of the annual effective dose for a person living in Homa Mountain area calculated varied from 28.6 to 1681.2, with a mean of 470.4 μSv. These results imply Homa Mountain have elevated levels of natural radioactivity thus the region is a high background radiation area.
منابع مشابه
Cholera outbreak in Homa Bay County, Kenya, 2015
Cholera is among the re-emerging diseases in Kenya. Beginning in December 2014, a persistent outbreak occurred involving 29 out of the 47 countries. Homa Bay County in Western Kenya was among the first counties to report cholera cases from January to April 2015. This case study is based on an outbreak investigation conducted by FELTP residents in Homa Bay County in February 2015. It simulates a...
متن کاملAssessment of natural radioactivity levels for Karadağ Mountain, Turkey
Background:The natural radioactivity levels in soil samples of Karadağ Mountain in central Anatolia region have been determined. Materials and Methods: Analyses on the collected samples were performed to determine gross alpha and beta radioactivity concentrations by using a gas-flow proportional counter and the concentrations of 238U, 232Th and 40K by using a NaI(Tl) scintillation detector. Res...
متن کاملStrategic Planning and Formulation in Public Secondary Schools, Kenya: an Empirical Study of Selected Public Schools in Homa-bay County
The researchers carried out the study on the relationship that exists between effective strategic planning and its formulation in public secondary schools in Homa – Bay County, Kenya. The researchers used both primary and secondary data which were analyzed and results were gotten. The study established that there is strong relationship that exists between strategic planning and its formulation....
متن کاملNatural radioactivity assessment in soil samples from Kirkuk city of Iraq using HPGe detector
Background: Inspection of the level of radioactivity from radionuclides in soil is important for the assessment of the exposure to natural radiation. Materials and Methods: Ten samples from soil were collected from different sites of Kirkuk-IRAQ and the level of natural radioactivity was measured using gamma-ray spectrometry based on a high purity germanium (HPGe) detector. Results: It was foun...
متن کاملAssessment of radiological hazards due to soil and building materials used in Mirpur Azad Kashmir Pakistan
Background: Health hazards associated with exposure due to the natural radioactivity which is a part of our physical environment are of great concern. In order to assess the risks associated with exposure due to the natural radioactivity in soil and building materials, extensive studies have been carried out all over the world. The most commonly encountered radionuclide’s are 238U, 2...
متن کامل