Stop in for a cup of coffee

Ddaddy said
Yes it can, but it depends on a lot of things. What was the actual level and how long were you exposed to it?

The "legal" level is a meaningless number, just a permissible exposure level.

3 years.

Now confirmed that if the 4 of us assigned to that room, all 4 have had unexplained seizures and other neurological issues. We just found out that room was contaminated too.