part_subject: "NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES (CONTINUED)"
subpart_code: "Q"
subpart_subject: "QQ—National Emission Standards for Hazardous Air Pollutants for Primary Copper Smelting"
section_number: "63.1440"
section_subject: "What is the purpose of this subpart?"
cfr_reference: "40 CFR 63.1440"
title_name: "Title 40"
title_subject: "Protection of Environment"
parts_covered: "Part 63 (§§ 63.1440 to 63.6175)"
revised_date: "Revised as of July 1, 2019"
publication_date: "As of July 1, 2019"
contains_description: "Containing a codification of documents of general applicability and future effect"
publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"
---
This subpart establishes national emission standards for hazardous air pollutants (NESHAP) for primary copper smelters. This subpart also establishes requirements to demonstrate initial and continuous compliance with all applicable emission limitations, work practice standards, and operation and maintenance requirements in this subpart.