EPA Defends Vapor Intrusion Site Listing Against Legal Challenge

The Justice Department is defending the scoring method EPA used to justify one of the agency’s first listings of a site to the Superfund National Priorities List (NPL) based solely on the presence of vapor intrusion, rejecting a lawsuit by industry groups that could determine the parameters for such listings. The suit, Meritor, Inc. v. EPA , charges that EPA arbitrarily listed the site without considering ongoing mitigation and the correct exposure benchmark. But in a June 11 brief filed...