Terrestrial gamma radiation level and the activity concentrations of natural radionuclides in crude oil-impacted soils of Okuregbe Creek, Nigeria
This study evaluated the terrestrial gamma radiation and the activity concentrations of natural radionuclide ( 40 K, 226 Ra and 232 Th) in crude oil-impacted soils of Okuregbe Creek, Ogoniland, Nigeria, using both in-situ and laboratory measurements. A GQ GMC-500/GMC-500 + digital Geiger-Müller counter was us...