The Environmental Protection Agency (EPA) is approving changes to the Kentucky State Implementation Plan (SIP) and the Kentucky Title V Operating Permit Program (Title V) submitted by the Commonwealth of Kentucky, through the Energy and Environment Cabinet (Cabinet) on August 12, 2020, and March 29, 2021.

The Environmental Protection Agency (EPA) is taking final action to approve a State Implementation Plan (SIP) revision submitted by the State of Missouri on November 12, 2019, revising the maintenance plan demonstrating continued maintenance of the 2008 ozone National Ambient Air Quality Standard (NAAQS), the 1979 1-Hour and 1997 8-Hour ozone standards in the St. Louis area. This revision demonstrates that the St.

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the State Implementation Plan (SIP) for the State of Missouri. This final action will amend the SIP to incorporate revisions to Missouri's rule related to the restriction of particulate matter emissions from fuel burning equipment used for indirect heating. These revisions add incorporation by reference information, remove unnecessary words, and make other editorial changes for clarity.

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the State Implementation Plan (SIP) for the State of Missouri. This final action will amend the SIP to incorporate revisions to Missouri's rule related to control of emissions from batch process operations. These revisions update references to the appropriate State rule for New Source Performance Regulations. These revisions are administrative in nature and do not reduce the stringency of the SIP or have an adverse impact to air quality.