9.—(1) No part of the authorised development may commence until a scheme for the disposal of contaminated material (including contaminated water) arising from the construction of the authorised development has been submitted to and approved by the relevant planning authority in consultation with the Environment Agency.
(2) Thereafter all contaminated material must be disposed of to licensed disposal facilities or treated where found in accordance with that scheme and to the reasonable satisfaction of the relevant planning authority. All reasonably required details of such disposal must be provided to the relevant planning authority on request.