I guess you know about new EPA indoor air proposals then.
It’s all about protecting the children.......!! /sarc
It costs my Commercial Property Owners but in the end they feel up to date and UP TO CODE!
We are Commercial (CMC) not Residential (CAC). CMC licenses are a bit harder to come by and maintain but you absolutely HAVE to keep up with EPA requirements.
If I'm licensed to build a nuclear power plant you can be sure I'm up on EPA requirements.