Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!

- the most efficient way to navigate the Engineering ToolBox!

Gases - Dangerous Levels

Dangerous and tolerable levels of industrial gases

Sponsored Links

Gas	Gas Concentration (⁰/₀₀)
Gas	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

Sponsored Links

Related Topics

Physiology - Human physiology, air quality and comfort temperatures, activity and metabolic rates, health effects of carbon monoxide and more
Risk, Reliability and Safety - Risk, Reliability and Safety in Process Control Systems

Related Documents

Ammonia - NH₃ - Concentration in Air and Health Effects - Ammonia and health symptoms - smell and threat to life
Carbon Dioxide Concentration - Comfort Levels - CO₂ acceptance and comfort level
Carbon Monoxide - Thermophysical Properties - Chemical, Physical and Thermal Properties of Carbon Monoxide - CO
Carbon Monoxide and Health Effects - Exposure to Carbon Monoxide - CO and the health effects
Flash Point - A flash point indicates how easy a chemical may ignite and burn
Garage Ventilation - Exhaust ventilation from garages and workshops
Gases - Densities - Densities and molecular weights of some common gases - acetylene, air, methane, nitrogen, oxygen and others ..
Gases - Explosion and Flammability Concentration Limits - Flame and explosion limits for gases - propane, methane, butane, acetylene and more
Hazardous Areas Classification - European Standard - European hazardous area classification in zones, protection types, temperature codes and codes
Hazardous Areas Classification - North America - North American hazardous locations classification in classes, divisions and groups
Life Expectancy - Men and Women - age and life expectancy
Safety Signals - recommended Colors - American National Standards Institutes schedule for safety colors marking physical hazards

Tag Search

en: gases dangerous levels accumulation harmful

Sponsored Links

Search the Engineering ToolBox

- the most efficient way to navigate the Engineering ToolBox!

Engineering ToolBox - SketchUp Extension - Online 3D modeling!

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro .Add the Engineering ToolBox extension to your SketchUp from the SketchUp Pro Sketchup Extension Warehouse!

Translate this page to

About the Engineering ToolBox!

Privacy

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.

Google use cookies for serving our ads and handling visitor statistics. Please read Google Privacy & Terms for more information about how you can control adserving and the information collected.

AddThis use cookies for handling links to social media. Please read AddThis Privacy for more information.

Advertise in the ToolBox

If you want to promote your products or services in the Engineering ToolBox - please use Google Adwords. You can target the Engineering ToolBox by using AdWords Managed Placements.

Citation

This page can be cited as

Engineering ToolBox, (2012). Gases - Dangerous Levels. [online] Available at: https://www.engineeringtoolbox.com/gases-dangerous-levels-d_1841.html [Accessed Day Mo. Year].

Modify access date.

close

3D Engineering ToolBox - draw and model technical applications!

2D Engineering ToolBox - create and share online diagram drawing templates!

Engineering ToolBox Apps - mobile online and offline engineering applications!

Scientific Online Calculator

Scientific Calculator

9 20

Sponsored Links