---
kind: "section"
citation: "40 C.F.R. § 98.72"
title: "40"
number: "98.72"
heading: "GHGs to report."
url: "https://uscodex.org/cfr/40/98.72"
---

# §98.72. GHGs to report.


You must report:

- (a) CO2 process emissions from steam reforming of a hydrocarbon or the gasification of solid and liquid raw material, reported for each ammonia manufacturing unit following the requirements of this subpart.
- (b) **CO<I>2</I>, CH<I>4</I>, and N<I>2</I>O emissions from each stationary fuel combustion unit.** You must report these emissions under [subpart C](/cfr/40/subpartC.md) of this part (General Stationary Fuel Combustion Sources), by following the requirements of [subpart C](/cfr/40/subpartC.md), except that for ammonia manufacturing processes [subpart C](/cfr/40/subpartC.md) does not apply to any CO2 resulting from combustion of the waste recycle stream (commonly referred to as the purge gas stream).
- (c) CO2 emissions collected and transferred off site under [subpart PP](/cfr/40/subpartPP.md) of this part (Suppliers of CO2), following the requirements of subpart PP.

## Notes

### Amendments

[74 FR 56374, Oct. 30, 2009, as amended at 75 FR 79156, Dec. 17, 2010; 89 FR 31904, Apr. 25, 2024]

### Authority

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

### Source

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

### Amendments

[74 FR 56374, Oct. 30, 2009, as amended at 75 FR 79156, Dec. 17, 2010; 89 FR 31904, Apr. 25, 2024]