---
kind: "section"
citation: "40 C.F.R. § 63.7480"
title: "40"
number: "63.7480"
heading: "What is the purpose of this subpart?"
url: "https://uscodex.org/cfr/40/63.7480"
---

# §63.7480. What is the purpose of this subpart?


This subpart establishes national emission limitations and work practice standards for hazardous air pollutants (HAP) emitted from industrial, commercial, and institutional boilers and process heaters located at major sources of HAP. This subpart also establishes requirements to demonstrate initial and continuous compliance with the emission limitations and work practice standards.


## Notes

### Source

Source: 76 FR 15664, Mar. 21, 2011, unless otherwise noted.

### Authority

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

### Source

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