40 CFR § 63.11165 - What are the standards and compliance requirements for new and existing sources?

---
identifier: "/us/cfr/t40/s63.11165"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 63.11165 - What are the standards and compliance requirements for new and existing sources?"
title_number: 40
title_name: "Protection of Environment"
section_number: "63.11165"
section_name: "What are the standards and compliance requirements for new and existing sources?"
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"
---


# 63.11165 What are the standards and compliance requirements for new and existing sources?

You must comply with the requirements in 40 CFR 61.32 through 40 CFR 61.34 of the National Emission Standards for Beryllium (40 CFR part 61, subpart C).