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Title 40

Displaying title 40, up to date as of 7/21/2026. Title 40 was last amended 7/21/2026.
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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 RRRNational Emission Standards for Hazardous Air Pollutants for Secondary Aluminum Production63.1500 – 63.1520
General63.1500 – 63.1504
§ 63.1500Applicability.
§ 63.1501Dates.
§ 63.1502 [Reserved]
§ 63.1503Definitions.
§ 63.1504 [Reserved]
Emission Standards and Operating Requirements63.1505 – 63.1509
§ 63.1505Emission standards for affected sources and emission units.
§ 63.1506Operating requirements.
§§ 63.1507-63.1509 [Reserved]
Monitoring and Compliance Requirements63.1510 – 63.1514
§ 63.1510Monitoring requirements.
§ 63.1511Performance test/compliance demonstration general requirements.
§ 63.1512Performance test/compliance demonstration requirements and procedures.
§ 63.1513Equations for determining compliance.
§ 63.1514Change of furnace classification.
Notifications, Reports, And Records63.1515 – 63.1517
§ 63.1515Notifications.
§ 63.1516Reports.
§ 63.1517Records.
Other63.1518 – 63.1520
§ 63.1518Applicability of general provisions.
§ 63.1519Implementation and enforcement.
§ 63.1520 [Reserved]
Table 1 to Subpart RRR of Part 63
Emission Standards for New and Existing Affected Sources
Table 2 to Subpart RRR of Part 63
Summary of Operating Requirements for New and Existing Affected Sources and Emission Units
Table 3 to Subpart RRR of Part 63
Summary of Monitoring Requirements for New and Existing Affected Sources and Emission Units
Appendix A to Subpart RRR of Part 63
General Provisions Applicability to Subpart RRR