40 CFR § 63.7990 - What parts of my plant does this subpart cover?
---
identifier: "/us/cfr/t40/s63.7990"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 63.7990 - What parts of my plant does this subpart cover?"
title_number: 40
title_name: "Protection of Environment"
section_number: "63.7990"
section_name: "What parts of my plant does this subpart cover?"
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "63"
part_name: "NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES"
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: "57 FR 61992, Dec. 29, 1992, unless otherwise noted."
cfr_part: "63"
---
# 63.7990 What parts of my plant does this subpart cover?
(a) This subpart applies to each miscellaneous coating manufacturing affected source as defined in paragraph (b) of this section.
(b) The miscellaneous coating manufacturing affected source is the miscellaneous coating manufacturing operations as defined in § 63.7985(b).
(c) An affected source is a new affected source if you commenced construction or reconstruction after April 4, 2002, and you met the applicability criteria at the time you commenced construction or reconstruction.
[68 FR 69185, Dec. 11, 2003, as amended at 85 FR 49741, Aug. 14, 2020]