40 CFR § 62.4681 - Effective date.

---
identifier: "/us/cfr/t40/s62.4681"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 62.4681 - Effective date."
title_number: 40
title_name: "Protection of Environment"
section_number: "62.4681"
section_name: "Effective date."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "62"
part_name: "APPROVAL AND PROMULGATION OF STATE PLANS FOR DESIGNATED FACILITIES AND POLLUTANTS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401"
regulatory_source: "43 FR 51393, Nov. 3, 1978, unless otherwise noted."
cfr_part: "62"
---


# 62.4681 Effective date.

The effective date for the portion of the plan applicable to mercury budget units at coal-fired electric steam generating units and coal-fired electric generating units as defined in 40 CFR 60.24(h)(8) is effective October 16, 2007.

[72 FR 46164, Aug. 17, 2007]