> The radiation hazard disappears over time but how do you know this stuff isn't poisonous for example? Oh, it is -- it's mostly heavy metals. But: - We're n

> The radiation hazard disappears over time but how do you know this stuff isn't poisonous for example? Oh, it is -- it's mostly heavy metals. But: - We're not going to stop using heavy metals. - We produce a lot less of it than other heavy metals-- so we're talking about a tiny portion of this hazard. - We can reasonably expect it'll be a lot better disposed than what we typically do with heavy metals.