21Removal of certain statutory controls
(1)Where any operation is authorised to be carried out by any provision of this Act, that provision shall not be regarded as limited—
(a)by any prohibition on the carrying out of operations of that description or any prohibition on carrying them out without the consent of any person ; or
(b)by any restriction on the level of noise which may be emitted in the course of carrying out operations of that description; or
(c)by any prohibition or restriction on the times when or the periods of time for which operations of that description may be carried out.
(2)The powers conferred by paragraph 4 of Schedule 2 to this Act to deal with materials (including liquid) excavated, dredged or pumped in pursuance of that paragraph shall not be regarded as limited by any prohibition or restriction on depositing in or discharging into any waters materials of that description so far as, in the course or in consequence of so dealing with those materials, they are deposited in or discharged into waters within the limits for the exercise of those powers set by paragraph 7 of that Schedule.
(3)This section is not to be taken as prejudicing the generality of any of the powers conferred by this Act.
(4)In this section " operation " means any works or action; and references to a prohibition or a restriction are references to a prohibition or, as the case may be, a restriction imposed by or under any enactment other than this Act.