relevant territorial waters, that is to say, subject to subsection (5) below, the waters which extend seaward for three miles from the baselines from which the breadth of the territorial sea adjacent to Scotland is measured;

coastal waters, that is to say, any waters which are within the area which extends landward from those baselines as far as the limit of the highest tide or, in the case of the waters of any relevant river or watercourse, as far as the fresh-water limit of the river or watercourse, together with the waters of any enclosed dock which adjoins waters within that area;

inland waters, that is to say, the waters of any relevant loch or pond or of so much of any relevant river or watercourse as is above the fresh-water limit;

shall deposit maps with F2SEPA showing what appear to him to be the fresh-water limits of every relevant river or watercourse . . . F3; and

may from time to time, if he considers it appropriate to do so by reason of any change of what appears to him to be the fresh-water limit of any river or watercourse, deposit a map showing a revised limit for that river or watercourse;

In this section—

that any area of the territorial sea adjacent to Scotland is to be treated as if it were an area of relevant territorial waters for the purposes of this Part;

that any loch or pond which does not discharge into a relevant river or watercourse or into a relevant loch or pond is to be treated for those purposes as a relevant loch or pond.

contain such supplemental, consequential and transitional provision as the Secretary of State considers appropriate; and

make different provision for different cases, including different provision in relation to different persons, circumstances or localities.

general requirements as to the purposes for which the waters to which the classification is applied are to be suitable;

specific requirements as to the substances that are to be present in or absent from the water and as to the concentrations of substances which are or are required to be present in the water;

specific requirements as to other characteristics of those waters;

one or more of the classifications for the time being prescribed under section 30B above; and

in relation to each specified classification, a date,

five years or more have elapsed since the service of the last notice under subsection (1) or (6) of this section to be served in respect of those waters; or

F8SEPA, after consultation with such persons as it considers appropriate, requests a review;

give notice to F10SEPA setting out his proposal and specifying the period (not being less than three months from the date of publication of the notice) within which representations with respect to the proposal may be made; and

consider any representations which are duly made;

by publishing the notice in such manner as the Secretary of State considers appropriate for bringing it to the attention of persons likely to be affected by it; and

by serving a copy of the notice on F11SEPA.