7 Interpretation

In this Act—

• " land " includes land covered with water and also includes any part of the seashore whether above or below high water mark; and

• " refuse tip " means any place for the deposit of refuse and waste materials;

and any reference to a river authority shall be construed as including a reference to the Conservators of the River Thames, the Lee Conservancy Catchment Board and the Isle of Wight River and Water Authority.