40 CFR § 98.72 - GHGs to report.

---
identifier: "/us/cfr/t40/s98.72"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 98.72 - GHGs to report."
title_number: 40
title_name: "Protection of Environment"
section_number: "98.72"
section_name: "GHGs to report."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "98"
part_name: "MANDATORY GREENHOUSE GAS REPORTING"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401-7671q."
regulatory_source: "74 FR 56374, Oct. 30, 2009, unless otherwise noted."
cfr_part: "98"
---


# 98.72 GHGs to report.

You must report:

(a) CO<sub>2</sub> 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<sub>2</sub>, CH<sub>4</sub>, and N<sub>2</sub>O emissions from each stationary fuel combustion unit. You must report these emissions under subpart C of this part (General Stationary Fuel Combustion Sources), by following the requirements of subpart C, except that for ammonia manufacturing processes subpart C does not apply to any CO<sub>2</sub> resulting from combustion of the waste recycle stream (commonly referred to as the purge gas stream).

(c) CO<sub>2</sub> emissions collected and transferred off site under subpart PP of this part (Suppliers of CO<sub>2</sub>), following the requirements of subpart PP.

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