How does the waste distribution and amount compare to fission reactors? (Pressure vessels, spent fuel rods, what else?) If we need to to dump every 50 year a f

How does the waste distribution and amount compare to fission reactors? (Pressure vessels, spent fuel rods, what else?) If we need to to dump every 50 year a few thousand tons of steel into the old uranium mines that seems like a good deal, no?