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Regulations last checked for updates: May 23, 2025

Title 40 - Protection of Environment last revised: Apr 23, 2028
All TitlesTitle 40Chapter IPart 63Subpart BB - Subpart BB—National Emission Standards for Hazardous Air Pollutants from Phosphate Fertilizers Production Plants
  • § 63.620 - Applicability.
  • § 63.621 - Definitions.
  • § 63.622 - Standards and compliance dates.
  • § 63.624 - [Reserved]
  • § 63.625 - Operating and monitoring requirements.
  • § 63.626 - Performance tests and compliance provisions.
  • § 63.627 - Notification, recordkeeping, and reporting requirements.
  • § 63.628 - General requirements and applicability of general provisions of this part.
  • § 63.629 - Miscellaneous requirements.
  • § 63.630 - [Reserved]
  • § 63.631 - Exemption from new source performance standards.
  • § 63.632 - Implementation and enforcement.
  • Appendix - Table 1 to Subpart BB of Part 63—Existing Source Emission Limits a b
  • Appendix - Table 2 to Subpart BB of Part 63—New Source Emission Limits a b
  • Appendix - Table 3 to Subpart BB of Part 63—Monitoring Equipment Operating Parameters
  • Appendix - Table 4 to Subpart BB of Part 63—Operating Parameters, Operating Limits and Data Monitoring, Recordkeeping and Compliance Frequencies
  • Appendix - Table 5 to Subpart BB of Part 63—Calibration and Quality Control Requirements for Continuous Parameter Monitoring Systems (CPMS)
  • Appendix Appendix A -
authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.
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