---
kind: "section"
citation: "40 C.F.R. § 98.70"
title: "40"
number: "98.70"
heading: "Definition of source category."
url: "https://uscodex.org/cfr/40/98.70"
---

# §98.70. Definition of source category.


The ammonia manufacturing source category comprises the process units listed in paragraphs [(a)](#a) and [(b)](#b) of this section.

- (a) Ammonia manufacturing processes in which ammonia is manufactured from a fossil-based feedstock produced via steam reforming of a hydrocarbon.
- (b) Ammonia manufacturing processes in which ammonia is manufactured through the gasification of solid and liquid raw material.

## Notes

### Authority

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

### Source

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