Regulations last checked for updates: Feb 11, 2026

Title 30 - Mineral Resources last revised: Jan 27, 2026
§ 57.4463 - Liquefied petroleum gas use underground.

Use of liquefied petroleum gases underground shall be limited to maintenance work.

authority: 30 U.S.C. 811.
source: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.
cite as: 30 CFR 57.4463