Regulations last checked for updates: Feb 08, 2026

Title 40 - Protection of Environment last revised: Dec 22, 2026
§ 148.4 - Procedures for case-by-case extensions to an effective date.

The owner or operator of a Class I hazardous waste injection well may submit an application to the Administrator for an extension of the effective date of any applicable prohibition established under subpart B of this part according to the procedures of § 268.5.

authority: Secs. 3004, Resource Conservation and Recovery Act, 42 U.S.C. 6901
source: 53 FR 28154, July 26, 1988, unless otherwise noted.
cite as: 40 CFR 148.4