Regulations last checked for updates: Apr 08, 2025

Title 40 - Protection of Environment last revised: Feb 08, 2028
Appendix - Table I-9 to Subpart I of Part 98—Methods and Procedures for Conducting Emissions Test for Stack Systems
[78 FR 68227, Nov. 13, 2013]
source: 74 FR 56374, Oct. 30, 2009, unless otherwise noted.