Regulations last checked for updates: Mar 26, 2026

Title 40 - Protection of Environment last revised: Dec 15, 2026
Appendix - Table 6 to Subpart HHHHH of Part 63—Requirements for Heat Exchange Systems

As required in § 63.8030, you must meet each requirement in the following table that applies to your heat exchange systems.

For each . . . You must . . .
Heat exchange system, as defined in § 63.101Comply with the requirements in § 63.104, except as specified in § 63.8030.
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.