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: "63.1441"
section_subject: "Am I subject to this subpart?"
cfr_reference: "40 CFR 63.1441"
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"
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You are subject to this subpart if you own or operate a primary copper smelter that is (or is part of) a major source of hazardous air pollutant (HAP) emissions on the first compliance date that applies to you, and your primary copper smelter uses batch copper converters as defined in § 63.1459. Your primary copper smelter is a major source of HAP if it emits or has the potential to emit any single HAP at the rate of 10 tons or more per year or any combination of HAP at a rate of 25 tons or more per year.