http://isolab.ess.washington.edu/isolab/images/documents/msds_sds/hydrogen.pdf

Special hazards arising from the substance or mixture. Fire hazard ... ignition energy; escaping hydrogen gas may ignite spontaneously. A fireball forms if the ...

https://www.osha.gov/SLTC/hydrogensulfide/hazards.html

Hazards. Health Hazards. Hydrogen sulfide gas causes a wide range of health effects. Workers are primarily exposed to hydrogen sulfide by breathing it.

https://safety.lovetoknow.com/Hydrogen_Hazards

When you think about hydrogen hazards, what comes to mind? Do you think that is it ... Hydrogen is a clear, odorless, and tasteless gas. It is lighter than air, ...

https://en.wikipedia.org/wiki/Hydrogen_safety

Hydrogen safety covers the safe production, handling and use of hydrogen - particularly hydrogen gas fuel and liquid hydrogen. ... SA. The fire diamond hazard sign for both elemental hydrogen gas and its isotope deuterium.

https://miningquiz.com/pdf/Mine_Gases/hydrogengassafety.pdf

Hazards and Precautions. Hydrogen Gas Safety. 3. Properties of Hydrogen. What Is Hydrogen? Hydrogen is a colorless, odorless, tasteless, flammable nontoxic.

https://www.cdc.gov/niosh/npg/npgd0337.html

Colorless gas with a strong odor of rotten eggs. [Note: Sense of smell becomes rapidly fatigued & can NOT be relied upon to warn of the continuous presence of  ...

http://www.glue.umd.edu/~choi/MSDS/Airgas/HYDROGEN.pdf

May 20, 1996 ... There are no specific exposure limits for Hydrogen. ... liquid. The main health hazard associated with releases of this gas is asphyxiation, ...

https://h2tools.org/bestpractices/hydrogen-hazards

In fact, hydrogen is just as safe as gasoline or any other commonly used fuel, it's just different. If you understand the differences, you will understand how to work ...

https://www.nap.edu/read/12032/chapter/9

This chapter summarizes relevant information on hydrogen gas, referred to as .... exposure to hydrogen at concentrations associated with an explosive hazard.

https://www.ccohs.ca/oshanswers/chemicals/compressed/compress.html

What are the pressure hazards associated with compressed gas cylinders? ... For example, the flammable range of hydrogen in oxygen gas is 4 to 85 percent ...