---
kind: "section"
citation: "40 C.F.R. § 63.11524"
title: "40"
number: "63.11524"
heading: "Am I subject to this subpart?"
url: "https://uscodex.org/cfr/40/63.11524"
---

# §63.11524. Am I subject to this subpart?

- (a) You are subject to this subpart if you own or operate a ferroalloys production facility that is an area source of hazardous air pollutant (HAP) emissions. A ferroalloys production facility manufactures silicon metal, ferrosilicon, ferrotitanium using the aluminum reduction process, ferrovanadium, ferromolybdenum, calcium silicon, silicomanganese zirconium, ferrochrome silicon, silvery iron, high-carbon ferrochrome, charge chrome, standard ferromanganese, silicomanganese, ferromanganese silicon, calcium carbide or other ferroalloy products using electrometallurgical operations including electric arc furnaces (EAFs) or other reaction vessels.
- (b) The provisions of this subpart apply to each existing and new electrometallurgical operation affected source as defined in paragraphs [(b)(1)](#b-1) and [(b)(2)](#b-2) of this section.
  - (1) An electrometallurgical operation affected source is existing if you commenced construction or reconstruction of the EAF or other reaction vessel on or before September 15, 2008.
  - (2) An electrometallurgical operation affected source is new if you commenced construction or reconstruction of the EAF or other reaction vessel after September 15, 2008.
- (c) This subpart does not apply to research or laboratory facilities as defined in section 112(c)(7) of the Clean Air Act (CAA).
- (d) You are exempt from the obligation to obtain a permit under 40 CFR part [70](/cfr/40/part70.md) or [40](/cfr/40/part40.md) CFR [part 71](/cfr/40/part71.md), provided you are not otherwise required by law to obtain a permit under 40 CFR [70.3(a)](/cfr/40/70.3.md?p=a) or [40](/cfr/40/40.md) CFR 71.3. Notwithstanding the previous sentence, you must continue to comply with the provisions of this subpart.

## Notes

### Source

Source: 73 FR 78643, Dec. 23, 2008, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 7401 et seq.

### Source

Source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.