14.—(1) The following requirements shall apply to landfill sites from the start of the operational phase until definitive closure.
(2) The operator shall carry out the control and monitoring procedures set out in Schedule 3.
(3) Where the procedures required by paragraph (2) reveal any significant adverse environmental effects, the operator shall notify the Environment Agency as soon as reasonably possible.
(4) When it receives a notification of significant adverse environmental effects in accordance with paragraph (3), the Environment Agency shall determine the nature and timing of corrective measures that are necessary and shall require the operator to carry them out.
(5) The operator shall report at intervals specified by the Environment Agency, on the basis of aggregated data, the results of monitoring and on such other matters which the Environment Agency requires to demonstrate compliance with the conditions of the landfill permit or to increase its knowledge of the behaviour of waste in landfill.
(6) The operator shall ensure that quality control of—
(a)analytical operations of control and monitoring procedures; and
(b)analyses of representative samples taken in accordance with regulation 12(2),
is carried out by competent laboratories.