# Federal Register 2026-16627 — effective 2026-09-14 — Approval of Source-Specific Air Quality Implementation Plan; New York; Big Six Towers Inc. — Environmental Protection Agency For Federal Register 2026-16627, effective date is 2026-09-14; agency is Environmental Protection Agency; published is 2026-08-14; 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. - **FR document number:** 2026-16627 _(verified: appears in the quote below)_ - **Rule:** Approval of Source-Specific Air Quality Implementation Plan; New York; Big Six Towers Inc. _(verified: appears in the quote below)_ - **Agency:** Environmental Protection Agency _(verified: appears in the quote below)_ - **Effective date:** 2026-09-14 _(verified: appears in the quote below)_ - **DATES, as printed:** This final rule is effective on September 14, 2026. _(verified: appears in the quote below)_ - **CFR parts amended:** 40 CFR 52 _(our reading, not quoted from the source)_ - **Published:** 2026-08-14 _(verified: appears in the quote below)_ ## What the source says > {"document_number":"2026-16627","title":"Approval of Source-Specific Air Quality Implementation Plan; New York; Big Six Towers Inc.","agency_names":["Environmental Protection Agency"],"effective_on":"2026-09-14","dates":"This final rule is effective on September 14, 2026.","cfr_references":[{"chapter":null,"citation_url":null,"part":"52","title":40}],"publication_date":"2026-08-14","html_url":"https://www.federalregister.gov/documents/2026/08/14/2026-16627/approval-of-source-specific-air-quality-implementation-plan-new-york-big-six-towers-inc"} ## Source - https://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 Last verified: 2026-09-16. Review by: 2026-09-29. Part of [Federal rules taking effect: every US final rule in the Federal Register, by effective date](https://referencesource.org/federal-rules-taking-effect/).