SIP Proposal: Wisconsin (second 10-year 2006 24-hour fine particulate matter limited maintenance plan for the Milwaukee-Racine maintenance area).
SIP Approval: Ohio (second 10-year limited maintenance plans for the 2006 24-hour fine particulate matter NAAQS for the Canton-Massillon, Cleveland-Akron-Lorain, and Steubenville-Weirton Ohio-West Virginia maintenance areas).
EPA entered into a proposed consent decree under the CAA in Comité Progreso de Lamont v. United States Environmental Protection Agency, No. 3:21-cv-08733-WHA (N.D. Cal.), that would establish deadlines for the Agency to sign notices of proposed and final actions pertaining to promulgation of a federal implementation plan for the San Joaquin Valley area of California to address certain remaining nonattainment plan requirements for the 1997, 2006, and 2012 fine particulate matter NAAQS.
EPA announced that the 2020 motor vehicle emissions budgets in the 2016 Air Quality Management Plan for the 2006 fine particulate matter NAAQS are adequate for transportation conformity purposes in the Los Angeles-South Coast Air Basin nonattainment area.
SIP Proposal: California (attainment plans for the 2006 and 2012 fine particulate matter NAAQS in the the San Joaquin Valley nonattainment area).
SIP Proposal: Idaho (redesignation to attainment and maintenance plan for the Idaho portion of the Logan, Utah-Idaho 2006 fine particulate matter nonattainment area).
SIP Approval: California (revisions to San Joaquin Valley serious 2006 fine particulate matter nonattainment area requirements).
SIP Proposal: California (revisions to requirements for the Los Angeles-South Coast Air Basin 2006 and 2012 fine particulate matter nonattainment area and reclassification as a serious 2012 annual fine particulate matter nonattainment area).
SIP Proposal: California (revisions to Joaquin Valley serious 2006 fine particulate matter nonattainment area requirements).
SIP Proposal: California (revisions to San Joaquin Valley serious 2006 fine particulate matter nonattainment area requirements).