40 CFR § 63.1952 - When am I no longer required to comply with the requirements of this subpart if I own or operate a bioreactor?
---
identifier: "/us/cfr/t40/s63.1952"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 63.1952 - When am I no longer required to comply with the requirements of this subpart if I own or operate a bioreactor?"
title_number: 40
title_name: "Protection of Environment"
section_number: "63.1952"
section_name: "When am I no longer required to comply with the requirements of this subpart if I own or operate a bioreactor?"
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "63"
part_name: "NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES"
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"
regulatory_source: "57 FR 61992, Dec. 29, 1992, unless otherwise noted."
cfr_part: "63"
---
# 63.1952 When am I no longer required to comply with the requirements of this subpart if I own or operate a bioreactor?
If you own or operate a landfill that includes a bioreactor, you are no longer required to comply with the requirements of this subpart for the bioreactor provided you meet the conditions of either paragraph (a) or (b) of this section.
(a) Your affected source meets the control system removal criteria in § 63.1950 or the bioreactor meets the criteria for a nonproductive area of the landfill in § 63.1962(a)(3)(ii).
(b) The bioreactor portion of the landfill is a closed landfill as defined in § 63.1990, you have permanently ceased adding liquids to the bioreactor, and you have not added liquids to the bioreactor for at least 1 year. A closure report for the bioreactor must be submitted to the Administrator as provided in § 63.1981(g).