40 CFR Subpart F
Test Procedures
June 9, 2020
§
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 testing
§
1033.530
Duty cycles and calculations
§
1033.535
Adjusting emission levels to account for infrequently regenerating aftertreatment devices
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