What is the IDLH level for Hydrogen Sulfide?

The correct identification of the immediately dangerous to life or health (IDLH) level for Hydrogen Sulfide is based on the serious risks associated with exposure to this hazardous gas. The IDLH level for Hydrogen Sulfide is set at 300 parts per million (ppm).

This threshold is established to safeguard workers against potential life-threatening effects. Concentrations of Hydrogen Sulfide at or above this level can cause immediate adverse health effects, including loss of consciousness, respiratory paralysis, and even death. The significance of the IDLH level is to provide a guideline for emergency responders; it helps them assess the safety of entering environments where Hydrogen Sulfide is present.

The other given choices, while representing varying levels of exposure, do not reflect the regulatory IDLH standard. This emphasizes how critical it is to adhere to established safety protocols in environments where hazardous materials are present, ensuring that personnel are properly equipped and trained to handle such situations. Understanding these levels also aids in compliance with safety regulations and promotes better awareness of occupational health risks.