REGULATIONS
Rulings
AD/CVD
Notices
HTSUS
U.S. Code
Regs
More
Ports
About
Updates
Apps
Larger font
Smaller font
SEARCH
Sort by Rank
Titles Ascending
Titles Descending
10 per page
25 Result/page
50 Result/page
Regulations last checked for updates: May 14, 2025
Title 40 - Protection of Environment last revised: Apr 14, 2028
All Titles
Title 40
Chapter I
Part 63
Subpart S - Subpart S—National Emission Standards for Hazardous Air Pollutants from the Pulp and Paper Industry
§ 63.440 - Applicability.
§ 63.441 - Definitions.
§ 63.442 - [Reserved]
§ 63.443 - Standards for the pulping system at kraft, soda, and semi-chemical processes.
§ 63.444 - Standards for the pulping system at sulfite processes.
§ 63.445 - Standards for the bleaching system.
§ 63.446 - Standards for kraft pulping process condensates.
§ 63.447 - Clean condensate alternative.
§§ 63.448-63.449 - §[Reserved]
§ 63.450 - Standards for enclosures and closed-vent systems.
§§ 63.451-63.452 - §[Reserved]
§ 63.453 - Monitoring requirements.
§ 63.454 - Recordkeeping requirements.
§ 63.455 - Reporting requirements.
§ 63.456 - Affirmative defense for violation of emission standards during malfunction.
§ 63.457 - Test methods and procedures.
§ 63.458 - Implementation and enforcement.
§ 63.459 - Alternative standards.
Appendix - Table 1 to Subpart S of Part 63—General Provisions Applicability to Subpart S a
authority:
42 U.S.C. 7401
source:
57 FR 61992, Dec. 29, 1992, unless otherwise noted.
.list_box li,p,.cm-search-info,.cm-search-detail,.abt span,.expand-collapse_top
Get the CustomsMobile app!