Federal Register 2026-16515 — effective 2026-09-14 — Air Plan Approval; Missouri; Clean Data Determination for the 2015 8-Hour Ozone Standard for the Missouri Portion of the St. Louis Nonattainment Area — Environmental Protection Agency
What is the effective date for Federal Register 2026-16515 — effective 2026-09-14 — Air Plan Approval; Missouri; Clean Data Determination for the 2015 8-Hour Ozone Standard for the Missouri Portion of the St. Louis Nonattainment Area — Environmental Protection Agency?
For Federal Register 2026-16515, effective date is 2026-09-14; agency is Environmental Protection Agency; published is 2026-08-13; cfr parts amended is 40 CFR 52; dates, as printed is This final rule is effective on September 14, 2026, recorded from its source on 2026-08-31; source re-checked 2026-09-16.
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— federalregister.gov, retrieved 2026-08-31
- FR document number
- 2026-16515 verified
- Rule
- Air Plan Approval; Missouri; Clean Data Determination for the 2015 8-Hour Ozone Standard for the Missouri Portion of the St. Louis Nonattainment Area verified
- Agency
- Environmental Protection Agency verified
- Effective date
- 2026-09-14 verified
- DATES, as printed
- This final rule is effective on September 14, 2026. verified
- CFR parts amended
- 40 CFR 52 our reading
- Published
- 2026-08-13 verified
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
Source
- federalregister.govhttps://www.federalregister.gov/api/v1/documents.json?per_page=1000&order=oldest&conditions%5Btype%5D%5B%5D=RULE&conditions%5Beffective_date%5D%5Bgte%5D=2026-08-31&conditions%5Beffective_date%5D%5Blte%5D=2026-12-31&fields%5B%5D=document_number&fields%5B%5D=title&fields%5B%5D=agency_names&fields%5B%5D=effective_on&fields%5B%5D=dates&fields%5B%5D=cfr_references&fields%5B%5D=publication_date&fields%5B%5D=html_url
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