Subpart F—Test Procedures

1. CFR
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3. Title 40
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5. Chapter I
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7. Part 1033
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9. Subpart F

Sections

Section numbering in the official eCFR can be non-consecutive. Omitted section numbers are not treated here as reserved unless the source explicitly labels them that way.

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