In Legal Test, Critics Seek To Force Review Of NAAQS Costs In PM Suit

June 7, 2024
In a major test of Supreme Court precedent, industry groups and many states are faulting EPA’s failure to consider costs in its tightening of federal limits for fine particulate matter (PM2.5), arguing not only that the reconsideration of Trump-era standards was unlawful, but that EPA must weigh costs even in a regular five-year review of limits. In a June 6 brief filed with the U.S. Court of Appeals for the District of Columbia Circuit in Commonwealth of Kentucky v. EPA,...

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