What is a dangerous co2 level?

Related questions

1. Why is high oxygen bad for COPD?
2. What is a normal co2 level?
3. Why would co2 be low?
4. Is co2 flammable?
5. Why co2 is dangerous?
6. What happens when your co2 levels are high?
7. How do you get rid of carbon dioxide in your body?
8. What is a safe co2 level indoors?
9. What is dangerous level of carbon monoxide?
10. When did 400 ppm Last co2?

Tags

1. #found
2. #background
3. #deprivation
4. #problems
5. #spaces
6. #level
7. #potential
8. #outdoor
9. #harmful
10. #levels
11. #normal
12. #occupied
13. #immediately
14. #typical
15. #exchange
16. #health
17. #oxygen