68.—(1) An operator shall take all necessary measures to ensure, as far as is reasonably practicable, that the disposal operation is designed, constructed, equipped, operated and maintained in such a way that the persons at work in the operation can perform the work assigned to them without endangering themselves or others.
(2) An operator shall co-ordinate and implement all measures relating to the safety of persons at the disposal site.
(3) An operator shall ensure that no person at the disposal site uses any naked flame or electronic device, or carries out any work, which could give rise to an unintended explosion or fire.