Environmental Protection Agency
The Environmental Protection Agency (EPA) is determining that the Missouri portion of the St. Louis, MO-IL bi-State nonattainment area failed to attain the 2015 ozone National Ambient Air Quality Standards (NAAQS) by the applicable attainment date. The effect of failing to attain by the applicable attainment date is that the area will be reclassified by operation of law to "Serious" nonattainment for the 2015 ozone NAAQS on December 31, 2024, the effective date of this final rule. This action fulfills the EPA's obligation under the Clean Air Act (CAA) to determine whether ozone nonattainment areas attained the NAAQS by the attainment date and to publish a document in the Federal Register identifying each area that is determined as having failed to attain and identifying the reclassification. The corresponding action for the Illinois portion of the St. Louis, MO-IL bi-State area is being taken separately.
Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Environmental Protection Agency 40 CFR Part 81 [EPA-R07-OAR-2024-0540; FRL-12405-01-R7] AGENCY: Environmental Protection Agency (EPA). ACTION: Final rule. SUMMARY: The Environmental Protection Agency (EPA) is determining that the Missouri portion of the St. Louis, MO-IL bi-State nonattainment area failed to attain the 2015 ozone National Ambient Air Quality Standards (NAAQS) by the applicable attainment date. The effect of failing to attain by the applicable attainment date is that the area will be reclassified by operation of law to “Serious” nonattainment for the 2015 ozone NAAQS on December 31, 2024, the effective date of this final rule. This action fulfills the EPA's obligation under the Clean Air Act (CAA) to determine whether ozone nonattainment areas attained the NAAQS by the attainment date and to publish a document in the Federal Register identifying each area that is determined as having failed to attain and identifying the reclassification. The corresponding action for the Illinois portion of the St. Louis, MO-IL bi-State area is being taken separately. DATES: This final rule is effective on December 31, 2024. ADDRESSES: The EPA has established a docket for this action under Docket ID No. EPA-R07-OAR-2024-0540. All documents in the docket are listed on the https://www.regulations.gov website. Although listed in the index, some information is not publicly available, i.e., CBI or other information whose disclosure is restricted by statute. Certain other …
Citation: 89 FR 92816
