Environmentalists Question EPA Review Of Risk-Based Air Toxics Rules

The Natural Resources Defense Council (NRDC) is warning that EPA has to initiate a new air toxics rulemaking process because the agency's administrative reconsideration of its controversial risk-based exemptions for industrial boilers and process heaters unlawfully broadens the universe of emissions sources eligible for the waiver. "Extending the risk-based exemptions beyond the large solid-fuel subcategory [of industrial boilers and process heaters] is not simply a 'clarif[ication]' of the final rule but a fundamental change that requires a separate notice and...