Tag Archives: Mercury and Air Toxics Standard

Yesterday, the D.C. Circuit Court of Appeals affirmed EPA’s rule setting limits for emissions of mercury and other air toxics from fossil-fuel-fired electric steam generating units.  The focus of the decision – and the issue on which Judge Kavanaugh dissented – was whether EPA was required to consider the costs that would be imposed by the rule.  EPA said no and the majority agreed.

Section 112(n) of the Clean Air Act required EPA to perform a study of the health hazards related to hazardous emissions from EGUs prior to regulating them. … More

There have been so many developments recently on the air front (and I’m so far behind due to an appellate brief) that I thought I would combine a few recent items.

First, oral arguments were heard Monday on the challenges to the Bush EPA ozone NAAQS of 0.075 ppb. As I have previously noted, the Court of Appeals for the District of Columbia Circuit has made pretty plain that EPA cannot ignore the recommendations of the Clean Air Science Advisory Committee in setting the NAAQS. … More