Also known as: OPA-
OPA has various meanings in the Scientific & Educational category. Discover the full forms, definitions, and usage contexts of OPA in Scientific & Educational.
The American rules on the safety of transport of hydrocarbons by sea. Provisions apply to tanker structure, with the requirement that new tankers should be built with a double hull or other similar design. It also introduces a tougher inspection system of existing ships, making it obligatory for ships to have an emergency action plan on board.
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