Quite a lot? This makes it even safer. The next rainfall, and all the retardant is diluted to safe levels.
> All that crap washes down into waterways or leeches into the soil, then into the water table.
It's already there. Where do you think arsenic, chromium, lead, and other minerals come from?
> Chromium doesn't have a safe level
You do realize that chromium is a component of stainless steel? Your cookware leeches plenty of it.
And it's not particularly dangerous, either, unless it's in its hexavalent form.
> just like there's no such thing as a safe level of radiation.
There is. The normal background are about 20 micro-Roentgens per hour.
Radon does cause elevated lung cancer risk, though.
Quite a lot? This makes it even safer. The next rainfall, and all the retardant is diluted to safe levels.
> All that crap washes down into waterways or leeches into the soil, then into the water table.
It's already there. Where do you think arsenic, chromium, lead, and other minerals come from?
> Chromium doesn't have a safe level
You do realize that chromium is a component of stainless steel? Your cookware leeches plenty of it.
And it's not particularly dangerous, either, unless it's in its hexavalent form.
> just like there's no such thing as a safe level of radiation.
There is. The normal background are about 20 micro-Roentgens per hour.