Marine Pollution Regulations 2003

A Category B or C substance must be unloaded using a pumping procedure approved by the Chief Executive Officer and based on standards developed by IMO under regulation 5A(5) of Annex II to

Subject to subregulation (4), a tank from which a Category

the substance unloaded is identified in the standards developed by IMO as resulting in a residue quantity more than the maximum quantity for the substance that may be discharged into the sea under regulation 13 or 14; or

the unloading is not carried out in accordance with the pumping conditions for the tank approved by the Chief Executive Officer –

The tank contents resulting from the prewash procedure must be discharged to a reception facility at the port of unloading.

For the purposes of subregulation (2)(b), the authorised officer is taken to be satisfied that cargo residues have been removed if the residues are reduced to quantities stated in

If application is made by the ship's master, the Chief Executive

the tank unloaded is to be reloaded with the same substance or another substance compatible with the substance unloaded and the tank will not be washed or ballasted before loading;

the tank unloaded is not to be washed or ballasted at sea and a prewashing procedure complying with regulation 23 will be carried out at another port; or

the cargo residues will be removed by a ventilation procedure approved by the Chief Executive Officer and based on standards developed by IMO.

For the purposes of subregulation (5)(b), the Chief

undertakes in writing to have the procedure carried out at the other port; and

provides written confirmation from an officer or employee of the other port that the port has a reception facility available and adequate for the purpose.