40 CFR § 63.2252 - What are the requirements for process units that have no control or work practice requirements?
---
identifier: "/us/cfr/t40/s63.2252"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 63.2252 - What are the requirements for process units that have no control or work practice requirements?"
title_number: 40
title_name: "Protection of Environment"
section_number: "63.2252"
section_name: "What are the requirements for process units that have no control or work practice requirements?"
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: "2026-04-05"
last_updated: "2026-04-05"
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"
---
# 63.2252 What are the requirements for process units that have no control or work practice requirements?
For process units not subject to the compliance options or work practice requirements specified in § 63.2240 (including, but not limited to, lumber kilns), you are not required to comply with the compliance options, work practice requirements, performance testing, monitoring, and recordkeeping or reporting requirements of this subpart, or any other requirements in subpart A of this part, except for the initial notification requirements in § 63.9(b).
[85 FR 49455, Aug. 13, 2020]