(1) (a) How many sand mining operations are authorised in or adjacent to the Umgeni river system and (b) in each case, (i) what is the name of the entity that has been awarded the approval to mine, (ii) when was this authorisation given and (iii) what was the date of the last visit by inspectors of her department to assess compliance with the Environmental Management Plan; (2) whether any directives have been issued against any other operation since 1 January 2008; if not, why not; if so, what are the relevant details?