Mr. Barry Fox:

We estimate that this may have occurred 72 hours previous to 11 August, and this is the issue. The plume, as we would call it, would have dissipated out of the system at that stage. I guess the position for IFI and our statutory role is something we adhere to and deliver to the letter of the law. It is not ideal. There was a joint and co-ordinated effort to try to determine what happened here, but, unfortunately, with the nature of these types of discharges, it is difficult to locate them unless they are continually flowing.