40 CFR § 63.7090 - What emission limitations must I meet?
---
identifier: "/us/cfr/t40/s63.7090"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 63.7090 - What emission limitations must I meet?"
title_number: 40
title_name: "Protection of Environment"
section_number: "63.7090"
section_name: "What emission limitations 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"
---
# 63.7090 What emission limitations must I meet?
(a) You must meet each emission limit in Table 1 to this subpart that applies to you.
(b) You must meet each operating limit in Table 3 to this subpart that applies to you.
(c) On or after the relevant compliance date for your source as specified in § 63.7083(g), you must meet each startup and shutdown period emission limit in table 2 to this subpart that applies to you.
(d) For those LMP using emissions averaging for either HCl emission limits or mercury emission limits in accordance with the procedures in § 63.7114(b) and (c), must not exceed the applicable emission limits in table 9 to this subpart.
[69 FR 416, Jan. 5, 2004, as amended at 85 FR 44977, July 24, 2020; 89 FR 57753, July 16, 2024; 89 FR 96108, Dec. 4, 2024]