40 CFR § 63.11880 - What emission limits, operating limits and standards must I meet?

---
identifier: "/us/cfr/t40/s63.11880"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 63.11880 - What emission limits, operating limits and standards must I meet?"
title_number: 40
title_name: "Protection of Environment"
section_number: "63.11880"
section_name: "What emission limits, operating limits and standards must I meet?"
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"
---


# 63.11880 What emission limits, operating limits and standards must I meet?

(a) You must comply with each emission limit and standard specified in Table 1 to this subpart that applies to your existing affected source, and you must comply with each emission limit and standard specified in Table 2 to this subpart that applies to your new affected source.

(b) You must establish an operating limit for each operating parameter required to be monitored in § 63.11925, and you must establish each operating limit as an operating range, minimum operating level or maximum operating level. You must comply with each established operating limit.

(c) You must comply with the emission limits and standards specified in §§ 63.11910 through 63.11980 that apply to your affected source.