Table 2 Degree of harm to human body of different CO concentrations25.
From: Simulation of emergency evacuation from construction site of prefabricated buildings
CO concentration of flue gas (ppm) | Time (min) | Degree of hazard |
---|---|---|
200 | 120–180 | Mild headache and fatigue |
400 | 60–120 | Secondary headaches |
800 | 45 | Unconsciousness, vomiting |
1600 | 20 | Headache, dizziness, nausea |
3200 | 10–15 | Death |