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Nuclear Waste Plans

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General Atomics


http://www.theatlantic.com/past/docs/issues/96oct/seabed/seabed.htm

Decommissioning Costs:

When no longer needed, the barge would be removed and taken to a sub-seabed disposal site 600 miles North of Hawaii, leaving no radioactivity behind at the customer's power plant site.  The nuclear power plant barge's radioactive equipment like worn-out reactor cores and coolant pumps would end up buried in the deep disposal site's peanut butter-like soft mud.  The disposal site is hundreds of meters thick so eventually the barge would would sink to the solid seabed strata at the bottom of the mud.

The really neat thing about this is that worn-out nuclear barges can be used to entomb everyone else's nuclear waste at the same time (for a modest fee).  Just add nuclear waste containers and pour in nuclear grade concrete.

Beyond technical and political considerations, the London Convention places prohibitions on disposing of radioactive materials at sea and does not make a distinction between waste dumped directly into the water and waste that is buried underneath the ocean's floor.

It remains in force until 2018, after which the sub-seabed disposal option can be revisited at 25-year intervals.
 --- http://en.wikipedia.org/wiki/Ocean_floor_disposal