Some Types of Dangerous Gases to Stay Safe While Working

1. Carbon Monoxide (CO)
Properties: Colorless, odorless, tasteless gas 
Source: Incomplete combustion from vehicles, boilers, gas stoves 
Danger: Called the "silent killer" – binds strongly to hemoglobin, preventing oxygen transport in blood 
Health Impact: Headaches, dizziness, death at high concentrations.

2. Hydrogen Sulfide (H₂S)
Properties: Colorless gas with rotten egg smell
Source: Oil & gas industry, wastewater treatment, mines 
Danger: Highly toxic even at low concentrations 
Health Impact: Respiratory damage, loss of consciousness, death.
Dangerous goods classification chart.

3. Methane (CH₄)
Properties: Colorless, odorless, highly flammable 
Source: Landfills, oil & gas operations, decomposing waste 
Danger: Explosive when mixed with air; greenhouse gas 
Health Impact: Asphyxiation risk in confined spaces.

4. Ammonia (NH₃)
Properties: Colorless gas with strong pungent odor 
Source: Chemical industry, food processing, refrigeration 
Danger: Corrosive and toxic 
Health Impact: Eye/respiratory irritation, burns, lung damage.

5. Chlorine (Cl₂)
Properties: Greenish-yellow gas with sharp odor 
Source: Water treatment, cleaning products, chemical industry 
Danger: Highly toxic and corrosive 
Health Impact: Severe respiratory damage, eye burns, death.

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