(1) What is the (a) actual and (b) optimal staff complement at the Directorate: Radiation Control at the (i) head office and (ii) regional offices for (aa) inspectors, (bb) scientists and (cc) others; (2) whether there are any vacant posts at any of the offices within the abovementioned directorate; if so, (a) how long has each post been vacant and (b) what steps are being taken to fill each vacant post; (3) whether there is a moratorium or restriction on the filling of any vacancies; if so, (a) why and (b) how long will this be the case; (4) (a) when was the last update of the staff complement requirement of this directorate, (b) what was used to determine the staff complement strength and (c) how many licences for radioactive sources were issued at the time?