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Workers are primarily exposed to hydrogen sulfide by breathing it. The effects depend on how much hydrogen sulfide you breathe and for how long. Exposure to very high concentrations can quickly lead to death. Short-term (also called acute) symptoms and effects are shown below: Worker Exposure Limits. NIOSH REL (10-min. ceiling): 10 ppm.
- Hydrogen Sulfide
Many workers are at risk for exposure to hydrogen sulfide,...
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Hydrogen fluoride (Z37.28-1969) 3 ppm : Hydrogen sulfide...
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Hydrogen sulfide (also known as H 2 S, sewer gas, swamp gas,...
- Hydrogen Sulfide
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NIOSH Occupational Health Guideline for Hydrogen Sulfidepdf iconCanadian Centre for Occupational Health and Safety (CCOHS): Hydrogen Sulfideexternal iconEuropean Chemicals Agency (ECHA): Hydrogen Sulfideexternal iconGestis Substance Databaseexternal iconILO International Chemical Safety Card: Hydrogen Sulfideexternal iconHydrogen sulfide (H 2 S) is a flammable, colorless gas that smells like rotten eggs. People usually can smell hydrogen sulfide at low concentrations in air, ranging from 0.0005 to 0.3 parts hydrogen sulfide per million parts of air (ppm). At high concentrations, a person might lose their ability to smell it.
May 2, 2024 · Hydrogen sulfide toxicity typically results from gaseous exposure that initially acts as an irritant and later acts at the cellular level, inhibiting mitochondrial respiration. Inhalation is the most common route of exposure for the toxic substance to enter the bloodstream, although it can also be minimally absorbed through the skin. [2]
- Anthony Sawaya, Ritesh G. Menezes
- 2023/05/22
Hydrogen sulfide is a mucous membrane and respiratory tract irritant; pulmonary edema, which may be immediate or delayed, can occur after exposure to high concentrations. Symptoms of acute exposure include nausea, headaches, delirium, disturbed equilibrium, tremors, convulsions, and skin and eye irritation.
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Hydrogen sulfide is part of the natural environment; the general population will have some exposure to hydrogen sulfide. Families can be exposed to more hydrogen sulfide than the general population if they live near natural or industrial sources of hydrogen sulfide, such as hot springs, manure holding tanks, or pulp and paper mills.
