Internationally, there has been quite a bit of work done to improve the rules for carriage at sea. That work is summarized in the Rotterdam Convention—to which we are not a party—driven largely by the EU, I believe. If you want to look to a regime that provides more modern and realistic rules for this multimodal carriage that didn't exist in 1924, when the existing rules were made, that is where I would look.
In terms of good examples of a response mechanism, I would suggest that the best mechanisms spread the risk as far as possible, with as little cost as possible, to each player. In that regard, a levy per container is exactly the right approach to take. With a very small levy on every container sent through our ports, we could create a fund that would fund a standing spill response effort that is joint with the communities and takes advantages of all those local assets and local know-how.