250.808—Hydrogen sulfide.

Production operations in zones known to contain hydrogen sulfide (H2 S) or in zones where the presence of H2 S is unknown, as defined in § 250.490 of this part, shall be conducted in accordance with that section and other relevant requirements of subpart H, Production Safety Systems.

Code of Federal Regulations

[53 FR 10690, Apr. 1, 1988. Redesignated and amended at 63 FR 29479, 29485, May 29, 1998; 68 FR 8435, Feb. 20, 2003. Further redesignated at 75 FR 1280, Jan. 11, 2010]