What is a practical concern with using older, tin-based (TBT) antifouling paint, and what is the current legal position on it?

A. TBT antifouling is still the recommended standard and is widely used today

B. TBT (tributyltin) antifouling is highly toxic to marine life even at very low concentrations and has been banned for use on leisure and most commercial vessels for years — modern antifouling uses less persistent, less broadly toxic alternatives

C. TBT antifouling has no effect on any marine organism other than barnacles

D. The ban on TBT antifouling applies only to vessels over 25m

A. Plastic may be discharged more than 12nm from land

B. Discharge of all plastics into the sea is prohibited everywhere, with no distance-from-land exception — plastic waste must always be retained on board and disposed of ashore

C. Plastic may be discharged if it is cut into small enough pieces first

D. The rule only applies to vessels over 400 gross tonnes

A. Fill as fast as possible to minimise time at the pump

B. Slow down as the tank approaches full, listen/watch for the tone or sight change indicating it's nearly done, and use a drip tray or absorbent pad under the filler and any vent to catch spillage or overflow

C. There is no real risk of spillage from a vent pipe, only from the filler itself

D. Environmental precautions are only necessary when refuelling from a jerry can, not at a fixed fuel berth