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  2. Two dead in chemical release at Pemex refinery in Texas - AOL

    www.aol.com/news/pemex-says-two-believed-dead...

    Hydrogen sulfide is used by or produced as a byproduct in refineries, according the U.S. Occupational Safety and Health Administration (OSHA). Hydrogen sulfide gas can quickly lead to death if ...

  3. Hydrogen sulfide - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_sulfide

    Many metal and nonmetal sulfides, e.g. aluminium sulfide, phosphorus pentasulfide, silicon disulfide liberate hydrogen sulfide upon exposure to water: [28] 6 H 2 O + Al 2 S 3 → 3 H 2 S + 2 Al(OH) 3. This gas is also produced by heating sulfur with solid organic compounds and by reducing sulfurated organic compounds with hydrogen.

  4. Immediately dangerous to life or health - Wikipedia

    en.wikipedia.org/wiki/Immediately_dangerous_to...

    The term immediately dangerous to life or health (IDLH) is defined by the US National Institute for Occupational Safety and Health (NIOSH) as exposure to airborne contaminants that is "likely to cause death or immediate or delayed permanent adverse health effects or prevent escape from such an environment." Examples include smoke or other ...

  5. Manure management - Wikipedia

    en.wikipedia.org/wiki/Manure_management

    Hydrogen sulfide is most commonly inhaled, though through prolonged exposure skin and eye irritations resulting in painful dermatitis and burning eyes can occur. [10] Symptoms of acute exposure include nausea, headaches, disturbed equilibrium, tremors, convulsions and skin and eye irritations. [10]

  6. List of highly toxic gases - Wikipedia

    en.wikipedia.org/wiki/List_of_highly_toxic_gases

    Many gases have toxic properties, which are often assessed using the LC 50 (median lethal concentration) measure. In the United States, many of these gases have been assigned an NFPA 704 health rating of 4 (may be fatal) or 3 (may cause serious or permanent injury), and/or exposure limits (TLV, TWA/PEL, STEL, or REL) determined by the ACGIH professional association.

  7. Chinese drywall - Wikipedia

    en.wikipedia.org/wiki/Chinese_drywall

    Under normal circumstances, copper corrosion leaves it a blue/green or dark red color, whereas corrosion as a result of hydrogen sulfide exposure leaves a black ash-like corrosion. Homeowners who have verified that their home contains contaminated Chinese drywall are advised to replace any suspect drywall, as well as any potentially damaged ...

  8. Sewer gas - Wikipedia

    en.wikipedia.org/wiki/Sewer_gas

    Prolonged low-level exposure may cause fatigue, pneumonia, loss of appetite, headaches, irritability, poor memory, and dizziness. High concentrations of hydrogen sulfide (>150 ppm) can produce olfactory fatigue, whereby the scent becomes undetectable. At higher concentrations (>300 ppm), hydrogen sulfide can cause loss of consciousness and death.

  9. Workplace exposure monitoring - Wikipedia

    en.wikipedia.org/wiki/Workplace_exposure_monitoring

    [4] [12] The Safety Equipment Institute's third-party certification testing further solidifies this connection, ensuring the effectiveness and reliability of exposure monitoring equipment. [ 4 ] [ 12 ] It is through such standards that the monitoring process becomes a well-defined and reliable tool in supporting workplace safety.