40 CFR § 98.480 - Definition of the source category.

---
identifier: "/us/cfr/t40/s98.480"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 98.480 - Definition of the source category."
title_number: 40
title_name: "Protection of Environment"
section_number: "98.480"
section_name: "Definition of the source category."
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"
---


# 98.480 Definition of the source category.

(a) This source category pertains to carbon dioxide (CO<sub>2</sub>) that is injected in enhanced recovery operations for oil and other hydrocarbons (CO<sub>2</sub>-EOR) in which all of the following apply:

(1) You are using the standard designated as CSA/ANSI ISO 27916:19, (incorporated by reference, see § 98.7) as a method of quantifying geologic sequestration of CO<sub>2</sub> in association with EOR operations.

(2) ou are not reporting under subpart RR of this part.

(b) This source category does not include wells permitted as Class VI under the Underground Injection Control program.

(c) If you are subject to only this subpart, you are not required to report emissions under subpart C of this part or any other subpart listed in § 98.2(a)(1) or (2).