Nuclear waste falling into the sea isn't optimal but it also isn't a huge issue. Nuclear waste falling onto a city or exploding on the launch pad would be an is

Nuclear waste falling into the sea isn't optimal but it also isn't a huge issue. Nuclear waste falling onto a city or exploding on the launch pad would be an issue. The 2nd stage flight can be planned not to go over populated land. But anyways, I don't think its a good solution but it would be possible.