Subpart B. Subpart B—Emission Standards and Measurement Procedures

• § 1031.30 - Overview of emission standards and general requirements.
• § 1031.40 - Turboprop engines.
• § 1031.50 - Subsonic turbojet and turbofan engines at or below 26.7 kN thrust.
• § 1031.60 -
• § 1031.90 - Supersonic engines.
• § 1031.130 - Derivative engines for emissions certification purposes.
• § 1031.140 - Test procedures.