40 CFR Subpart F - Subpart F—Test Procedures
- § 1033.501 General provisions.
- § 1033.505 Ambient conditions.
- § 1033.510 Auxiliary power units.
- § 1033.515 Discrete-mode steady-state emission tests of locomotives and locomotive engines.
- § 1033.520 Alternative ramped modal cycles.
- § 1033.525 Smoke opacity testing.
- § 1033.530 Duty cycles and calculations.
- § 1033.535 Adjusting emission levels to account for infrequently regenerating aftertreatment devices.