Tag Archives: “Hazardous Air Pollutant”

Yesterday, the D.C. Circuit Court of Appeals remanded EPA’s MACT standards for PCBs, polycyclic organic matter, and hexachlorobenzene to EPA.  Rather than setting specific MACT standards for these compounds, EPA regulated them through “surrogates,” commonly particulate matter.  The Sierra Club and others argued that EPA did not adequately justify the use of surrogates.

The three-part test for the adequacy of a surrogate is clear and worth repeating:

(1) the relevant hazardous air pollutant is invariably present in the proposed surrogate;… More

On Wednesday, federal Judge Christopher Cooper ordered EPA to promulgate emissions standards for 13 sources of hazardous air pollutants by June 30, 2020.  EPA admitted that it missed statutory deadlines to do so; the only argument was over how much time EPA should have.  EPA asked for 4 ½ years, while the plaintiffs suggested two.  Judge Cooper pretty much split the difference.

Why is the case important? … More

Late last week, EPA issued a Supplemental Finding, concluding that it is still “appropriate and necessary” to regulate hazardous air pollutants from coal- and oil-fired electric generating units.  The Supplemental Finding was necessary after the Supreme Court ruled earlier this year that EPA’s original decision to regulate HAP emissions from EGUs was flawed because EPA did not consider costs in making the decision.  Is the Supplemental Finding enough to ensure that the Mercury and Air Toxics rule is upheld this time around?  … More