AskWhat type of respirator cartridge should I use for hydrogen sulfide?
Generated on: November 10, 2025
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This response was generated using your private uploaded documents and publicly available safety documents and regulations.
For protection against hydrogen sulfide (H2S) exposure, several types of respirators are recommended depending on the concentration of H2S in the air:
- Up to 100 ppm: A supplied-air respirator or a powered, air-purifying respirator with cartridge(s) providing protection against hydrogen sulfide is recommended. An air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted canister providing protection against hydrogen sulfide or any self-contained breathing apparatus with a full facepiece is also suitable.
- Immediately Dangerous to Life or Health (IDLH) conditions: A self-contained breathing apparatus (SCBA) is required for entry and escape from atmospheres that are considered immediately dangerous to life and health (IDLH). [1] [2]
Applicable OSHA standards include:
- 29 CFR 1910.134: Respiratory Protection, which outlines the requirements for establishing and maintaining a respiratory protection program, including proper respirator selection, fit testing, medical evaluations, and training.
Important Safety Note:
Always verify safety information with your organization's specific guidelines and local regulations.