Table 5 Effects of CO concentration in the inhaled gas on personnel.
From: Research on escalators used as evacuation stairs under fire scenarios
CO concentration in the inhaled gas (kg·m−3) | Effects on the human body |
|---|---|
2 × 10–3 | Headache in 20 min |
1 × 10–3 | Headache and nausea in 45 min |
5 × 10–4 | Forehead pain in 2 h |
2.5 × 10–4 | Life threatening after 3 h |
6.25 × 10–5 | The maximum amount allowed for adults |
