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Title 40

Displaying title 40, up to date as of 7/16/2026. Title 40 was last amended 7/16/2026.
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Title 40Protection of EnvironmentPart / Section
Chapter IEnvironmental Protection Agency1 – 1099
Subchapter CAir Programs50 – 99
Part 63National Emission Standards for Hazardous Air Pollutants for Source Categories63.1 – 63.12099
Subpart QQQNational Emission Standards for Hazardous Air Pollutants for Primary Copper Smelting63.1440 – 63.1459
§ 63.1440What is the purpose of this subpart?
§ 63.1441Am I subject to this subpart?
§ 63.1442What parts of my plant does this subpart cover?
§ 63.1443When do I have to comply with this subpart?
§ 63.1444What emissions limitations, work practice standards, and design standards must I meet for my copper concentrate dryers, smelting vessels, slag cleaning vessels, copper converter departments, anode refining departments, process fugitive emissions from roofline vents, and bypass stacks?
§ 63.1445What work practice standards must I meet for my fugitive dust sources?
§ 63.1446What alternative emission limitation may I meet for my combined gas streams?
§ 63.1447What are my operation and maintenance requirements?
§ 63.1448What are my general requirements for complying with this subpart?
§ 63.1449By what dates must I conduct performance tests or other initial compliance demonstrations?
§ 63.1450What test methods and other procedures must I use to demonstrate initial compliance with the emission limitations and design standards?
§ 63.1451How do I demonstrate initial compliance with the emission limitations, work practice standards, design standards, and operation and maintenance requirements that apply to me?
§ 63.1452What are my monitoring requirements?
§ 63.1453How do I demonstrate continuous compliance with the emission limitations, work practice standards, design standards, and operation and maintenance requirements that apply to me?
§ 63.1454What notifications must I submit and when?
§ 63.1455What reports must I submit and when?
§ 63.1456What records must I keep and how long must I keep my records?
§ 63.1457What part of the general provisions apply to me?
§ 63.1458Who implements and enforces this subpart?
§ 63.1459What definitions apply to this subpart?
Table 1 to Subpart QQQ of Part 63
Applicability of General Provisions to This Subpart
Table 2 to Subpart QQQ of Part 63
Non-Mercury HAP Emission Limits
Table 3 to Subpart QQQ of Part 63
2010 Toxic Equivalency Factors (TEFs)
Table 4 to Subpart QQQ of Part 63
Compliance Dates for Amendments Being Promulgated on May 13, 2024
Figure 1 to Subpart QQQ of Part 63
Data Summary Sheet for Determination of Average Opacity