40 CFR 1065.1123 - General provisions for determining exhaust opacity.

Regulations last checked for updates: Nov 25, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024

View all text of Subpart L [§ 1065.1101 - § 1065.1145]

§ 1065.1123 - General provisions for determining exhaust opacity.

The provisions of § 1065.1125 describe system specifications for measuring percent opacity of exhaust for all types of engines. The provisions of § 1065.1127 describe how to use such a system to determine percent opacity of engine exhaust for applications other than locomotives. See 40 CFR 1033.525 for measurement procedures for locomotives.

authority: 42 U.S.C. 7401-7671q.

source: 70 FR 40516, July 13, 2005, unless otherwise noted.

cite as: 40 CFR 1065.1123