National Facility of the National Research Foundation, located at two sites, one at Faure (Western Cape) and one on the campus of Wits University, Johannesburg (Gauteng). The Faure site houses a K=200 Separated Sector Cyclotron and a 6MV Van de Graaff accelerator. The Gauteng site has an EN Tandem Accelerator, as well as facilities for Neutron Activation Analysis and Environmental Isotope Analyses.