Proposed Approval of South Coast State Implementation Plans for 2006 and 2012 PM2.5 National Ambient Air Quality Standards and Reclassification of Area Designation
On July 2, 2020, the U.S. Environmental Protection Agency (EPA) published a proposed rule on the Federal Register to approve all but the contingency measure element as meeting all applicable “Moderate” area requirements for the 2012 annual PM2.5 NAAQS, and to conditionally approve the contingency measure element as meeting both the “Moderate” area contingency measure requirement for the 2012 annual PM2.5 NAAQS and the “Serious” area contingency measure requirement for the 2006 24-Hour PM2.5 NAAQS.
Proposed Approval of Finding of South Coast Failure to Attain the 2006 24-Hour PM2.5 National Ambient Air Quality Standards
On July 10, 2020, the U.S. Environmental Protection Agency (EPA) published a proposed rule on the Federal Register to determine that the Los Angeles-South Coast Air Basin nonattainment area failed to attain the 2006 24-hour PM2.5 NAAQS by the December 31, 2019 “Serious” area attainment date.
Final Transportation Conformity Determination
Connect SoCal, 2020 RTP/SCS, and 2019 FTIP Consistency Amendment No. 19-12
Final Transportation Conformity Determination for Connect SoCal, 2020 Regional Transportation Plan/Sustainable Communities Strategy (RTP/SCS), and 2019 Federal Transportation Improvement Program (FTIP) Consistency Amendment No. 19-12
SCAG received approval of the transportation conformity determination for Connect SoCal and the 2019 FTIP Consistency Amendment No. 19-12 from the Federal Highway Administration (FHWA) and the Federal Transit Administration (FTA) on June 5, 2020.
Proposed Approval of Imperial County 2018 Redesignation Request and Maintenance Plan for PM10
On April 2, 2020, the U.S. Environmental Protection Agency (EPA) published a proposed rule on the Federal Register to approve the Imperial PM10 Plan as a revision of the California SIP. The Imperial PM10 Plan includes a demonstration of implementation of Best Available Control Measures (BACM) and a maintenance plan.
Final Approval of Imperial County Nonattainment Area State Implementation Plan for 2008 8-Hour Ozone National Ambient Air Quality Standards
On February 27, 2020, the U.S. Environmental Protection Agency (EPA) published a final rule on the Federal Register to approve two SIP revisions submitted by California to meet Clean Air Act requirements for the 2008 8-Hour Ozone NAAQS in the Imperial County nonattainment area. EPA is approving the “Imperial County 2017 SIP for the 2008 8-Hour Ozone Standard” and the portions of the “2018 Updates to the California SIP” that address the requirement for a Reasonable Further Progress (RFP) demonstration for Imperial County for the 2008 Ozone NAAQS.
Final Approval of Ventura County Nonattainment Area State Implementation Plan for 2008 8-Hour Ozone National Ambient Air Quality Standards
On February 27, 2020, the U.S. Environmental Protection Agency (EPA) published a final rule on the Federal Register to approve portions of two SIP revisions submitted by California to meet Clean Air Act requirements for the 2008 8-Hour Ozone NAAQS in the Ventura County nonattainment area.
Proposed Approval of Coachella Valley State Implementation Plan for 2008 8-Hour Ozone National Ambient Air Quality Standards
On January 17, 2020, the U.S. Environmental Protection Agency (EPA) published a proposed rule on the Federal Register to approve, or conditionally approve, all or portions of two SIP revisions submitted by California to meet Clean Air Act requirements for the 2008 8-Hour Ozone NAAQS in the Coachella Valley nonattainment area. The two SIP revisions include the portions of the “Final 2016 Air Quality Management Plan” and the “2018 Updates to the California SIP” that address ozone in the Coachella Valley.