40 CFR § 63.11153 - Am I subject to this subpart?
---
identifier: "/us/cfr/t40/s63.11153"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 63.11153 - Am I subject to this subpart?"
title_number: 40
title_name: "Protection of Environment"
section_number: "63.11153"
section_name: "Am I subject to this subpart?"
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"
---
# 63.11153 Am I subject to this subpart?
(a) You are subject to this subpart if you own or operate a new secondary copper smelter that is an area source of hazardous air pollutant (HAP) emissions.
(b) This subpart applies to each new affected source. The affected source is each secondary copper smelter. Your secondary copper smelter is a new affected source if you commenced constructed or reconstruction of the affected source on or after October 6, 2006.
(c) This subpart does not apply to research and development facilities, as defined in section 112(c)(7) of the CAA.
(d) If you own or operate an area source subject to this subpart, you must obtain a permit under 40 CFR part 70 or 40 CFR part 71.
[72 FR 2952, Jan. 23, 2007, as amended at 72 FR 36367, July 3, 2007]