SIP Approval: Florida (revisions to requirements and procedures for emissions monitoring at stationary sources).
EPA proposed repealing the Clean Power Plan.
SIP Approval: Ohio (redesignate the Fulton County nonattainment area to attainment for the 2008 lead NAAQS).
EPA updated multiple voluntary consensus standards for formaldehyde emission standards for composite wood products.
FWS added the term "net conservation benefit" to the Candidate Conservation Agreements with Assurances regulations under the ESA and eliminated references to "other necessary properties" to clarify the level of conservation effort required for approval.
In re Volkswagen "Clean Diesel" Marketing, Sales Practices, and Products Liability Litigation, MDL No. 2672 CRB (N.D. Cal. Dec. 20, 2016). Under a second partial consent decree, settling CAA defendants that manufactured emissions-noncompliant 3.0 liter diesel vehicles must perform two vehicle recalls, must offer all eligible owners and lessees buyback or lease termination options, and must pay $225 million into a mitigation trust fund to be established under the first partial consent decree.
EPA entered into a proposed consent decree under the CAA in Sierra Club v. McCarthy, No. 1:16-cv-01831-EGS (D.D.C.), that would require the Agency to establish a deadline to grant or deny a petition requesting that the Agency object to a CAA Title V permit issued to a power plant located in Venango County, Pennsylvania.
EPA revised requirements under the CAA for state plans for protection of visibility in mandatory Class I federal areas in order to continue steady environmental progress and extended the July 31, 2018, deadline for the next periodic comprehensive SIP revisions to July 31, 2021.
EPA finalized reporting and recordkeeping requirements under TSCA for certain chemical substances when they are manufactured or processed at the nanoscale.
EPA finalized revisions to NESHAPs for Radon Emissions from Operating Mill Tailings and added new definitions clarifying that the NESHAP also applies to uranium recovery facilities that extract uranium through the in-situ leach method and the heap leach method.