30 CFR § 250.805 - Hydrogen sulfide.

---
identifier: "/us/cfr/t30/s250.805"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 250.805 - Hydrogen sulfide."
title_number: 30
title_name: "Mineral Resources"
section_number: "250.805"
section_name: "Hydrogen sulfide."
chapter_name: "BUREAU OF SAFETY AND ENVIRONMENTAL ENFORCEMENT, DEPARTMENT OF THE INTERIOR"
subchapter_number: "B"
subchapter_name: "OFFSHORE"
part_number: "250"
part_name: "OIL AND GAS AND SULPHUR OPERATIONS IN THE OUTER CONTINENTAL SHELF"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "30 U.S.C. 1751, 31 U.S.C. 9701, 33 U.S.C. 1321(j)(1)(C), 43 U.S.C. 1334."
regulatory_source: "76 FR 64462, Oct. 18, 2011, unless otherwise noted."
cfr_part: "250"
---


# 250.805 Hydrogen sulfide.

(a) In zones known to contain hydrogen sulfide (H<sub>2</sub>S) or in zones where the presence of H<sub>2</sub>S 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 H<sub>2</sub>S or in HPHT environments where the presence of H<sub>2</sub>S is unknown.