40 CFR § 98.478 - Definitions.
---
identifier: "/us/cfr/t40/s98.478"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 98.478 - Definitions."
title_number: 40
title_name: "Protection of Environment"
section_number: "98.478"
section_name: "Definitions."
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"
---
# 98.478 Definitions.
Except as provided below, all terms used in this subpart have the same meaning given in the Clean Air Act and subpart A of this part.
*CO*<sub>2</sub> *received* means the CO<sub>2</sub> stream that you receive to be injected for the first time into a well on your facility that is covered by this subpart. CO<sub>2</sub> received includes, but is not limited to, a CO<sub>2</sub> stream from a production process unit inside your facility and a CO<sub>2</sub> stream that was injected into a well on another facility, removed from a discontinued enhanced oil or natural gas or other production well, and transferred to your facility.