The regulation allowing Pa. to join the Regional Greenhouse Gas Initiative was set to take effect Saturday. Republican lawmakers asked to court to stop the rule until all legal questions are resolved.
A county monitor exceeded limits for hydrogen sulfide 153 times in the last 2 years. A study showed the pollution was "entirely" from the Clairton Coke Works.
The Allegheny County Health Department issued the fines for visible emissions at the company’s Clairton Coke Works for infractions over the last nine months of 2021.