Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!
is the most efficient way to navigate the Engineering ToolBox!
Dangerous and tolerable levels of industrial gases
|Gas||Gas Concentration (0/00)|
|Tolerable > 1 hour||Tolerable < 1 hour||Immediately Dangerous|
|Ammonia ||0.1 ||0.3 ||3.5 |
|Bromine Vapor ||0.001 ||0.004 ||0.05 |
|Carbon Dioxide ||10 ||30 ||40 |
|Carbon Monoxide ||0.2 ||0.5 ||2.0 |
|Chlorine Vapor ||0.001 ||0.004 ||0.05 |
|Hydrochloric Acid ||0.01 ||0.05 ||1.5 |
|Hydrogen Sulphide || ||0.2 ||0.6 |
|Iodine Vapor ||0.0005 ||0.003 ||0.05 |
|Sulphuric Acid || ||0.05 ||0.5 |
- 1 ppm = 10-6 = 0.0001 o/o = 0.001 o/oo
- 1 o/oo = 1000 ppm
- en: gases dangerous levels accumulation harmful
Search the Engineering ToolBox
- search is the most efficient way to navigate the Engineering ToolBox!
Translate this page to
About the Engineering ToolBox!
We don't collect information from our users. Only emails and answers are saved in our archive. Cookies are only used in the browser to improve user experience.
Some of our calculators and applications let you save application data to your local computer. These applications will - due to browser restrictions - send data between your browser and our server. We don't save this data.
This page can be cited as
- Engineering ToolBox, (2012). Gases and Dangerous Concentration Levels. [online] Available at: https://www.engineeringtoolbox.com/gases-dangerous-levels-d_1841.html [Accessed Day Mo. Year].
Modify access date.
Scientific Online Calculator
10 23 .