The concentrations of natural (226Ra, 232Th, 40K) and anthropogenic (137Cs) in Western Coastal South Sulawesi were measured by gamma-ray spectrometry with a high-purity germanium (HPGe) detector connected to multichannel analyzer. maximum activity concentration radionuclides was found 47.29 ± 4.14 Bq/kg for226Ra, 52.73 5.28 for232Th 744.00 29.45 for40K. In general, the radioactivity marine sedi...

background: human activities such as mining enhance the radioactivity levels above normal background which can lead to an incremental increase in the radiation risk to the population. materials and methods: 20 tailing enriched soil samples collected around maiganga coal mine, gombe, northeast nigeria were assessed for their 226ra, 232th and 40k contents using hpge gamma-ray detector. results: t...

Agricultural researchers in many countries investigate radiological risks soil and crops because it concerns human health. In addition, they also study heavy metal pollution plants cultivated for ecological safety. This aims to analyze the activity concentrations of radionuclides metals corn Küçük Menderes Basin (Izmir, Turkey) – which is enriched with phosphatic fertilizers. We collected sampl...

The widely favored option for the safe storage of high-level radioactive waste is a multi-barrier disposal system with clay-based geotechnical barriers e.g. bentonite. Montmorillonite as major constituent bentonite (up to 90 wt.-%) an important sink potentially released radionuclides. adsorption 226Ra and Ba on Na-montmorillonite (SWy-2) was investigated function pH (edges) concentration (isoth...

Accurate, low-level measurement of 226Ra in high volume water samples requires rapid pre-concentration and robust separation techniques prior to measurement in order to comply with discharge limits and drinking water regulations. This study characterises the behaviour of 226Ra and interfering elements on recently developed TK100 (Triskem International) extraction chromatography resin. Distribut...

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...

This study was developed to carry out a comprehensive radiological assessment of natural radioactivity for river sediment samples from Calabria, southern Italy, and define baseline background the area on radiation map. In studied area, elevated levels radionuclides are expected, due outcropping acidic intrusive metamorphic rocks which radioactive elements derive. To identify quantify radioisoto...

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, 232th, their...

Activities related to the marine exploration of oil and gas reservoirs tend cause a concentration natural radionuclides in materials. As such, knowledge regarding distribution sedimentary basins with current operations is essential for modeling radiological hazards possible risks site contamination. This study investigated 226Ra 228Ra, radioisotopes from 232U 232Th decay chains bottom sediment ...