89 FR 50231
SIP Approval: West Virginia (second 10-year limited maintenance plans for the 2006 24-hour fine particulate matter NAAQS for the Charleston area and the West Virginia portion of the Steubenville-Weirton, Ohio-West Virginia area).
SIP Approval: West Virginia (second 10-year limited maintenance plans for the 2006 24-hour fine particulate matter NAAQS for the Charleston area and the West Virginia portion of the Steubenville-Weirton, Ohio-West Virginia area).
SIP Approval: North Carolina (updates to 2026 on-road and nonroad emissions inventories, safety margins, and motor vehicle emissions budgets).
SIP Proposal: Michigan (removal of redundant definition for "used oil").
EPA designated one new equivalent method for measuring concentrations of ozone in ambient air.
SIP Approval: California (revisions to meet extreme area requirements for the 1997 eight-hour ozone NAAQS in the Riverside Co. nonattainment area).
SIP Approval: Michigan (removal of redundant definition for "used oil").
SIP Proposal: Pennsylvania (revisions to attainment plan for the Indiana, Pennsylvania 2010 one-hour sulfur dioxide nonattainment area).
SIP Proposal: Connecticut (removal of State Order Nos. 7002B and 2087 and addition of Consent Order No. 8381).
FWS initiated five-year status reviews under the ESA for 59 animal and plant species.
FWS determined endangered species status under the ESA for the Guadalupe fatmucket, Texas fatmucket, Guadalupe orb, Texas pimpleback, Balcones spike, and false spike, determined threatened species status for the Texas fawnsfoot, and designated approximately 1,577.5 river miles in total as critical habitat for the seven species of freshwater mussels in central Texas.