- Hydrogen sulfide can be produced by combining chemicals, some of which are commonly found in homes. This method is often referred to as "home cooking".
- Hydrogen sulfide can also be produced from bacterial breakdown of organic materials and human waste.
- Immediately Dangerous to Life and Health (IDLH) level of 100 parts-per-million.
- Can affect health or cause serious injury during periods of very short exposure, even though prompt medical treatment is given.
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