Efforts to more strictly regulate the chemical, known as hydrofluoric acid and modified hydrofluoric acid, are escalating to ...

Three environmental groups are suing the EPA, asking a judge to order the agency to reassess its regulations on the chemical.

An environmental group is suing over a delay in air pollution rules for steel mills, arguing it puts neighboring communities ...

The EPA has proposed a measure to cancel the "Endangerment Finding", which could undo many regulations that cut emissions ...

EPA chief Zeldin announced plans to rescind the U.S.'s biggest tool to fight climate change in an Indy visit.

If highly reactive hydrofluoric acid (HF) was released from the Delaware County refinery, it could form a ground-hugging cloud extending up to 17 miles and affecting as many as 1.9 ...

LIVESTREAM WATCH LIVE: NASA's SpaceX Crew-11 launches to ISS Environmentalists sue EPA to reassess a toxic chemical used at a Pa. oil refinery Peter Hall Jul 14, 2025 0 ...