U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 40Chapter IPart 63Subpart KKKKK - Subpart KKKKK—National Emission Standards for Hazardous Air Pollutants for Clay Ceramics Manufacturing

WHAT THIS SUBPART COVERS
§ 63.8530 - What is the purpose of this subpart?
§ 63.8535 - Am I subject to this subpart?
§ 63.8540 - What parts of my plant does this subpart cover?
§ 63.8545 - When do I have to comply with this subpart?

EMISSION LIMITATIONS AND WORK PRACTICE STANDARDS
§ 63.8555 - What emission limitations and work practice standards must I meet?
§ 63.8560 - What are my options for meeting the emission limitations and work practice standards?

GENERAL COMPLIANCE REQUIREMENTS
§ 63.8570 - What are my general requirements for complying with this subpart?
§ 63.8575 - What do I need to know about operation, maintenance, and monitoring plans?

TESTING AND INITIAL COMPLIANCE REQUIREMENTS
§ 63.8585 - By what date must I conduct performance tests?
§ 63.8590 - When must I conduct subsequent performance tests?
§ 63.8595 - How do I conduct performance tests and establish operating limits?
§ 63.8600 - What are my monitoring installation, operation, and maintenance requirements?
§ 63.8605 - How do I demonstrate initial compliance with the emission limitations and work practice standards?

CONTINUOUS COMPLIANCE REQUIREMENTS
§ 63.8615 - How do I monitor and collect data to demonstrate continuous compliance?
§ 63.8620 - How do I demonstrate continuous compliance with the emission limitations and work practice standards?

NOTIFICATIONS, REPORTS, AND RECORDS
§ 63.8630 - What notifications must I submit and when?
§ 63.8635 - What reports must I submit and when?
§ 63.8640 - What records must I keep?
§ 63.8645 - In what form and for how long must I keep my records?

OTHER REQUIREMENTS AND INFORMATION
§ 63.8655 - What parts of the General Provisions apply to me?
§ 63.8660 - Who implements and enforces this subpart?
§ 63.8665 - What definitions apply to this subpart?

TABLES TO SUBPART KKKKK OF PART 63
Appendix - Table 1 to Subpart KKKKK of Part 63—Emission Limits
Appendix - Table 2 to Subpart KKKKK of Part 63—Operating Limits
Appendix - Table 3 to Subpart KKKKK of Part 63—Work Practice Standards
Appendix - Table 4 to Subpart KKKKK of Part 63—Requirements for Performance Tests
Appendix - Table 5 to Subpart KKKKK of Part 63—Toxic Equivalency Factors
Appendix - Table 6 to Subpart KKKKK of Part 63—Initial Compliance With Emission Limitations and Work Practice Standards
Appendix - Table 7 to Subpart KKKKK of Part 63—Continuous Compliance With Emission Limitations and Work Practice Standards
Appendix - Table 8 to Subpart KKKKK of Part 63—Compliance Dates
Appendix - Table 9 to Subpart KKKKK of Part 63—Deadlines for Submitting Notifications
Appendix - Table 10 to Subpart KKKKK of Part 63—Requirements for Reports
Appendix - Table 11 to Subpart KKKKK of Part 63—Applicability of General Provisions to Subpart KKKKK
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