Regulations last checked for updates: Feb 10, 2026

Title 30 - Mineral Resources last revised: Jan 27, 2026
§ 250.805 - Hydrogen sulfide.

(a) In zones known to contain hydrogen sulfide (H2S) or in zones where the presence of H2S is unknown, as defined in § 250.490, you must conduct production operations in accordance with that section and other relevant requirements of this subpart.

(b) You must receive approval through the DWOP process (§§ 250.286 through 250.295) for production operations in HPHT environments known to contain H2S or in HPHT environments where the presence of H2S is unknown.

authority: 30 U.S.C. 1751,31.S.C. 9701, 33 U.S.C. 1321(j)(1)(C), 43 U.S.C. 1334.
source: 76 FR 64462, Oct. 18, 2011, unless otherwise noted.
cite as: 30 CFR 250.805