> And unlike with radiation, it's difficult to independently check chemical toxicity.
This was always kind of interesting to me, and I'm surprised it's not mentioned more. Not for any practical purpose, but just because you'll often hear people talk about how radiation is super scary because it's "invisible". Which is the case, sure, but it seems like it's hardly unique? As you implied, there's countless chemical contaminants that are just as dangerous, and just as undetectable by human senses. At least with radioactive contaminants you can (at least in most situations) use Geiger counters and dosimeters and whatnot - with some of the chemical threats humanity has cooked up, it seems like you need an entire study just to determine if they're present or not.