Environmentalists, Industry File Dueling Suits Over EPA Ethylene Air Rule

Environmentalists are suing EPA in a bid to force the agency to tighten its recently revised air toxics regulations limiting air toxics emissions from the burgeoning ethylene manufacturing sector, dueling with petrochemical industry groups which filed separate litigation that is expected to push for weakening the same standards. The national emission standards for hazardous air pollutants (NESHAP) rule sets “generic” maximum achievable control technology (MACT) for ethylene production facilities, pursuant to a risk-and-technology review (RTR) for the sector. MACT is...