"It couldn't be spent fuel from a reactor," I thought out loud.

His earlier maneuvers had spent far too much fuel.

A lot of it is spent fuel, and was not dealt with at the time.

The current industry standard to handle spent nuclear fuel starts with underwater storage.

The federal government was made responsible for disposing spent nuclear fuel.

Most plants store spent nuclear fuel, but that is also radiation.

Else we might have to spend too much fuel at the far end of the trip, where it can't readily be replaced.

Another project studies how to reprocess spent nuclear fuel, so that waste is reduced up to 90%.

At that stage the inspector did not mention spent nuclear fuel.

Dumped at 20 sites from 1959-92, total of 222x10m including reactors and spent fuel.