asked the Secretary of State for the Environment what response there has been to appeals for a more rapid turnround of ships in British ports.

This is a matter for individual port authorities.

asked the Secretary of State for the Environment if he will publish the volume and value of exports and imports passing through the nationalised ports and other ports, respectively.

The detailed information is not available but it is estimated that in 1972 about 25 per cent. of the tonnage of British imports and exports passed through the seaports owned by the British Transport Docks Board, the British Waterways Board and the British Railways Board.