40 CFR § 62.6353 - Identification of sources.

---
identifier: "/us/cfr/t40/s62.6353"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 62.6353 - Identification of sources."
title_number: 40
title_name: "Protection of Environment"
section_number: "62.6353"
section_name: "Identification of sources."
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"
---


# 62.6353 Identification of sources.

Letter from the Missouri Department of Natural Resources, submitted May 4, 2022, certifying that there are no sulfuric acid production plants in Missouri. Effective date: The revision effective date of the negative declaration and EPA withdrawal of the prior plan approval is October 6, 2025.

[90 FR 42841, Sept. 5, 2025]