40 CFR § 63.5305 - What emission standards must I meet?

---
identifier: "/us/cfr/t40/s63.5305"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 63.5305 - What emission standards must I meet?"
title_number: 40
title_name: "Protection of Environment"
section_number: "63.5305"
section_name: "What emission 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"
---


# 63.5305 What emission standards must I meet?

The emission standards limit the number of pounds of HAP lost per square foot of leather processed. You must meet each emission limit in Table 1 of this subpart that applies to you.