U.S. Code of Federal Regulations

Regulations most recently checked for updates: Sep 17, 2025

All TitlesTitle 40Chapter IPart 63Subpart CCCCC - Subpart CCCCC—National Emission Standards for Hazardous Air Pollutants for Coke Ovens: Pushing, Quenching, and Battery Stacks

WHAT THIS SUBPART COVERS
§ 63.7280 - What is the purpose of this subpart?
§ 63.7281 - Am I subject to this subpart?
§ 63.7282 - What parts of my plant does this subpart cover?
§ 63.7283 - When do I have to comply with this subpart?

EMISSION LIMITATIONS AND WORK PRACTICE STANDARDS
§ 63.7290 - What emission limitations must I meet for capture systems and control devices applied to pushing emissions?
§ 63.7291 - What work practice standards must I meet for fugitive pushing emissions if I have a by-product coke oven battery with vertical flues?
§ 63.7292 - What work practice standards must I meet for fugitive pushing emissions if I have a by-product coke oven battery with horizontal flues?
§ 63.7293 - What work practice standards must I meet for fugitive pushing emissions if I have a nonrecovery coke oven battery?
§ 63.7294 - What work practice standard must I meet for soaking?
§ 63.7295 - What requirements must I meet for quenching?
§ 63.7296 - What emission limitations must I meet for battery stacks?
§ 63.7297 - What emission limitations must I meet for HNR HRSG main stacks?
§ 63.7298 - What emission limitations must I meet for HNR HRSG bypass/waste heat stacks?
§ 63.7299 - What opacity limitations must I meet for HNR HRSG bypass/waste heat stacks?

OPERATION AND MAINTENANCE REQUIREMENTS
§ 63.7300 - What are my operation and maintenance requirements?

GENERAL COMPLIANCE REQUIREMENTS
§ 63.7310 - What are my general requirements for complying with this subpart?

INITIAL COMPLIANCE REQUIREMENTS
§ 63.7320 - By what date must I conduct performance tests or other initial compliance demonstrations?
§ 63.7321 - When must I conduct subsequent performance tests?
§ 63.7322 - What test methods and other procedures must I use to demonstrate initial compliance with the emission limits?
§ 63.7323 - What procedures must I use to establish operating limits?
§ 63.7324 - What procedures must I use to demonstrate initial compliance with the opacity limits?
§ 63.7325 - What test methods and other procedures must I use to demonstrate initial compliance with the TDS or constituent limits for quench water?
§ 63.7326 - How do I demonstrate initial compliance with the emission limitations that apply to me?
§ 63.7327 - How do I demonstrate initial compliance with the work practice standards that apply to me?
§ 63.7328 - How do I demonstrate initial compliance with the operation and maintenance requirements that apply to me?

CONTINUOUS COMPLIANCE REQUIREMENTS
§ 63.7330 - What are my monitoring requirements?
§ 63.7331 - What are the installation, operation, and maintenance requirements for my monitors?
§ 63.7332 - How do I monitor and collect data to demonstrate continuous compliance?
§ 63.7333 - How do I demonstrate continuous compliance with the emission limitations that apply to me?
§ 63.7334 - How do I demonstrate continuous compliance with the work practice standards that apply to me?
§ 63.7335 - How do I demonstrate continuous compliance with the operation and maintenance requirements that apply to me?
§ 63.7336 - What other requirements must I meet to demonstrate continuous compliance?

NOTIFICATION, REPORTS, AND RECORDS
§ 63.7340 - What notifications must I submit and when?
§ 63.7341 - What reports must I submit and when?
§ 63.7342 - What records must I keep?
§ 63.7343 - In what form and how long must I keep my records?

OTHER REQUIREMENTS AND INFORMATION
§ 63.7350 - What parts of the General Provisions apply to me?
§ 63.7351 - Who implements and enforces this subpart?
§ 63.7352 - What definitions apply to this subpart?
Appendix - Table 1 to Subpart CCCCC of Part 63—Applicability of General Provisions to Subpart CCCCC
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