StacksVerified U.S. regulatory reference

40 CFR Part 63, Table 6

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov

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.