89 FR 23521
SIP Approval: Arizona (revisions concerning definitions for the Maricopa County Air Quality Department).
SIP Approval: Arizona (revisions concerning definitions for the Maricopa County Air Quality Department).
EPA finalized proposed amendments to remove the force majeure exemption for pressure relief devices and emergency flaring, incorporate clarifications for the degassing requirements for floating roof storage vessels, and address other corrections and clarifications for various NESHAPs.
SIP Approval: Arizona (stationary source permits).
EPA finalized amendments to NESHAPs for integrated iron and steel manufacturing facilities.
SIP Proposal: California (revisions concerning nonattainment fees in the San Diego County Air Pollution Control District).
SIP Proposal: Oregon (revisions to stationary source permitting rules).
SIP Approval: Maryland (regional haze).
EPA gave notice that the volatile organic compounds and nitrogen oxides motor vehicle emissions budgets in the submitted 2015 ozone moderate reasonable further progress plan for Allegan, Berrien, and Muskegon Counties are adequate for conformity purposes.
EPA updated a portion of the outer continental shelf air regulations for which North Carolina is the designated corresponding onshore area.
EPA entered into a proposed consent decree in in Sierra Club v. United States Environmental Protection Agency, No. 1:23-cv-01744-JDB (D.D.C.), that would establish deadlines for the Agency to sign a notice of proposed rulemaking for certain SIPs concerning regional haze.