---
kind: "section"
citation: "40 C.F.R. § 98.489"
title: "40"
number: "98.489"
heading: "Definitions."
url: "https://uscodex.org/cfr/40/98.489"
---

# §98.489. Definitions.


Except as provided in paragraphs (a) and (b) of this section, all terms used in this subpart have the same meaning given in the Clean Air Act and [subpart A](/cfr/40/subpartA.md) of this part.

Additional terms and definitions are provided in Clause 3 of CSA/ANSI ISO 27916:19 (incorporated by reference, see [§ 98.7](/cfr/40/98.7.md)).


## Notes

### Source

Source: 89 FR 31948, Apr. 25, 2024, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 7401-7671q.

### Source

Source: 74 FR 56374, Oct. 30, 2009, unless otherwise noted.