Lesson Learned: CO2 Leak at McDonald’s; Harmful to Employee and Responders
Some facts about CO2:
- Typically found in a gaseous state
- Colorless, Odorless, Tasteless
- Pressurized into liquid state
- DOT Placard: Green, category 2, non-flammable
- NFPA 704 Marking System: 3 Health, 0 Fire, 0 Reactivity, 0 Special Hazard
- Expansion ratio nearly 3000 to 1
- Displaces O2, asphyxiant
- Cryogenic