Regulations last checked for updates: May 23, 2025

Title 40 - Protection of Environment last revised: Apr 23, 2028
§ 63.7111 - When must I conduct subsequent performance tests?

You must conduct a performance test within 5 years following the initial performance test and within 5 years following each subsequent performance test thereafter.

authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.
cite as: 40 CFR 63.7111