The Environmental Protection Agency (EPA) is finalizing an extension to the compliance date for Facility Response Plans (FRPs) required by the Clean Water Act (CWA) addressing potential worst-case discharges of CWA hazardous substances. These requirements apply to onshore non-transportation-related facilities that could reasonably be expected to cause substantial harm to the environment from a CWA hazardous substance worst-case discharge to navigable waters, adjoining shorelines, or the exclusiv…