Given the quantities dumped at sea by the British and others after WWII there must be at least one documented case of exposure, if there is the long term persistence that you claim. Can you please provide more information documenting this, or is it entirely anecdotal?
And what would be the better way of dealing with these ships, let them sail into Boston harbor as suggested? I personally favor placing 2 or 3 Mk48 torpedoes in each. Whatever is in these ships may well cause environmental harm, yes. But can you assure me that they intend to use this material in an environmentally responsible manner?
I share your concerns about our environment, and agree that we must protect all the ecosystems, or better stated, all parts of our one ecosystem. But forgive me if my primary concern is the part immediately occupied by my family and I.