Determination of radon-222 activity concentrations in groundwater sources at Felele campus, Federal University Lokoja, Kogi state, Nigeria

This study investigates the activity concentrations of radon-222 in groundwater sources within Felele Campus, Federal University Lokoja, Kogi State, Nigeria, and evaluates the associated radiological health risks to the university community. Ten groundwater samples comprising five boreholes and five hand-dug wells were collected and analysed using a Packard Tri-Carb 1000TR liquid scintillation counter at the Centre for Energy Research and Training, Ahmadu Bello University, Zaria. The annual e