Industry Groups Urge EPA To Weigh Costs, Drop Tougher PM NAAQS Plan

Major industry groups are urging EPA to drop its proposal to tighten national ambient air quality standards (NAAQS) for fine particles, arguing that the plan is discretionary and therefore unnecessary because of high implementation costs, although environmentalists are warning that any consideration of costs would be unlawful. In testimony delivered at a Feb. 21 virtual public hearing on the plan , the NAAQS Regulatory Review and Rulemaking (NR3) Coalition argued that because the Clean Air Act does not mandate any...