U.S. Code of Federal Regulations

Regulations most recently checked for updates: Oct 08, 2025

All TitlesTitle 40Chapter IPart 63Subpart EEEEE - Subpart EEEEE—National Emission Standards for Hazardous Air Pollutants for Iron and Steel Foundries

WHAT THIS SUBPART COVERS
§ 63.7680 - What is the purpose of this subpart?
§ 63.7681 - Am I subject to this subpart?
§ 63.7682 - What parts of my foundry does this subpart cover?
§ 63.7683 - When do I have to comply with this subpart?

EMISSIONS LIMITATIONS
§ 63.7690 - What emissions limitations must I meet?

WORK PRACTICE STANDARDS
§ 63.7700 - What work practice standards must I meet?

OPERATION AND MAINTENANCE REQUIREMENTS
§ 63.7710 - What are my operation and maintenance requirements?

GENERAL COMPLIANCE REQUIREMENTS
§ 63.7720 - What are my general requirements for complying with this subpart?

INITIAL COMPLIANCE REQUIREMENTS
§ 63.7730 - By what date must I conduct performance tests or other initial compliance demonstrations?
§ 63.7731 - When must I conduct subsequent performance tests?
§ 63.7732 - What test methods and other procedures must I use to demonstrate initial compliance with the emissions limitations?
§ 63.7733 - What procedures must I use to establish operating limits?
§ 63.7734 - How do I demonstrate initial compliance with the emissions limitations that apply to me?
§ 63.7735 - How do I demonstrate initial compliance with the work practice standards that apply to me?
§ 63.7736 - How do I demonstrate initial compliance with the operation and maintenance requirements that apply to me?

CONTINUOUS COMPLIANCE REQUIREMENTS
§ 63.7740 - What are my monitoring requirements?
§ 63.7741 - What are the installation, operation, and maintenance requirements for my monitors?
§ 63.7742 - How do I monitor and collect data to demonstrate continuous compliance?
§ 63.7743 - How do I demonstrate continuous compliance with the emissions limitations that apply to me?
§ 63.7744 - How do I demonstrate continuous compliance with the work practice standards that apply to me?
§ 63.7745 - How do I demonstrate continuous compliance with the operation and maintenance requirements that apply to me?
§ 63.7746 - What other requirements must I meet to demonstrate continuous compliance?
§ 63.7747 - How do I apply for alternative monitoring requirements for a continuous emissions monitoring system?

NOTIFICATIONS, REPORTS, AND RECORDS
§ 63.7750 - What notifications must I submit and when?
§ 63.7751 - What reports must I submit and when?
§ 63.7752 - What records must I keep?
§ 63.7753 - In what form and for how long must I keep my records?

§ 63.7760 - What parts of the General Provisions apply to me?
§ 63.7761 - Who implements and enforces this subpart?

DEFINITIONS
§ 63.7765 - What definitions apply to this subpart?
Appendix - Table 1 to Subpart EEEEE of Part 63— Applicability of General Provisions to This Subpart
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