REDOIL, et al v. EPA

At issue in this appeal was the EPA’s Environmental Appeals Board (EAB) properly upheld two air permits authorizing exploratory drilling operations in the Arctic Ocean by a drillship and its associated fleet of support vessels. The petition for review challenged two aspects of the permits: (1) the determination that supported vessels, unlike the drillship itself, did not require the best available control technology (BACT) to control emissions; and (2) the exemption of the area within a 500-meter radius of the drillship from ambient air quality standards. The court denied the petition, holding that the EPA’s interpretation of 42 U.S.C. 7627 was reasonable and that the EPA’s grant of a 500 meter ambient air exemption was not plainly erroneous or inconsistent with the agency’s regulations.

REDOIL, et al v. EPA