40 CFR § 63.8684 - What emission limitations and operating limits must I meet?
---
identifier: "/us/cfr/t40/s63.8684"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 63.8684 - What emission limitations and operating limits must I meet?"
title_number: 40
title_name: "Protection of Environment"
section_number: "63.8684"
section_name: "What emission limitations and operating limits 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"
---
# 63.8684 What emission limitations and operating limits must I meet?
(a) You must meet each emission limitation in Table 1 to this subpart that applies to you.
(b) You must meet each operating limit in Table 2 to this subpart that applies to you.
[68 FR 24577, May 7, 2003, as amended at 85 FR 14548, Mar. 12, 2020]