---
kind: "section"
citation: "40 C.F.R. § 63.2334"
title: "40"
number: "63.2334"
heading: "Am I subject to this subpart?"
url: "https://uscodex.org/cfr/40/63.2334"
---

# §63.2334. Am I subject to this subpart?

- (a) Except as provided for in paragraphs [(b)](#b) and [(c)](#c) of this section, you are subject to this subpart if you own or operate an OLD operation that is located at, or is part of, a major source of HAP emissions. An OLD operation may occupy an entire plant site or be collocated with other industrial (e.g., manufacturing) operations at the same plant site.
- (b) Organic liquid distribution operations located at research and development facilities, consistent with section 112(c)(7) of the Clean Air Act (CAA), are not subject to this subpart.
- (c) Organic liquid distribution operations do not include the activities and equipment, including product loading racks, used to process, store, or transfer organic liquids at facilities listed in [paragraph (c)](#c) (1) and (2) of this section.
  - (1) Oil and natural gas production field facilities, as the term “facility” is defined in [§ 63.761](/cfr/40/63.761.md) of subpart HH.
  - (2) Natural gas transmission and storage facilities, as the term “facility” is defined in [§ 63.1271](/cfr/40/63.1271.md) of subpart HHH.

## Notes

### Source

Source: 69 FR 5063, Feb. 3, 2004, unless otherwise noted.

### Authority

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

### Source

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