Federal Register 2026-18334 — effective 2026-10-09 — Air Plan Approvals; Indiana; Prong 4 (Visibility) for the 2015 Ozone National Ambient Air Quality Standard — Environmental Protection Agency
What is the effective date for Federal Register 2026-18334 — effective 2026-10-09 — Air Plan Approvals; Indiana; Prong 4 (Visibility) for the 2015 Ozone National Ambient Air Quality Standard — Environmental Protection Agency?
For Federal Register 2026-18334, effective date is 2026-10-09; agency is Environmental Protection Agency; published is 2026-09-09; cfr parts amended is 40 CFR 52; dates, as printed is This final rule is effective on October 9, 2026, recorded from its source on 2026-09-14; source re-checked 2026-09-16.
{"document_number":"2026-18334","title":"Air Plan Approvals; Indiana; Prong 4 (Visibility) for the 2015 Ozone National Ambient Air Quality Standard","agency_names":["Environmental Protection Agency"],"effective_on":"2026-10-09","dates":"This final rule is effective on October 9, 2026.","cfr_references":[{"chapter":null,"citation_url":null,"part":"52","title":40}],"publication_date":"2026-09-09","html_url":"https://www.federalregister.gov/documents/2026/09/09/2026-18334/air-plan-approvals-indiana-prong-4-visibility-for-the-2015-ozone-national-ambient-air-quality"}
— federalregister.gov, retrieved 2026-09-14
- FR document number
- 2026-18334 verified
- Rule
- Air Plan Approvals; Indiana; Prong 4 (Visibility) for the 2015 Ozone National Ambient Air Quality Standard verified
- Agency
- Environmental Protection Agency verified
- Effective date
- 2026-10-09 verified
- DATES, as printed
- This final rule is effective on October 9, 2026. verified
- CFR parts amended
- 40 CFR 52 our reading
- Published
- 2026-09-09 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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