SFPE Guide to Human Behavior in Fire by Society of Fire Protection Engineers

Author:Society of Fire Protection Engineers
Language: eng
Format: epub
ISBN: 9783319946979
Publisher: Springer International Publishing

Fire

Rate of growth

CO2/CO

Toxic hazard

Time to incapacitation

Escape time available

1. Smoldering/non-flaming: Victim in room of origin or remote

Slow

~1

CO 0–1500 ppm low O2 15–21% irritants, smoke

Hours

Ample if alerted

2. Well ventilated flaming: Victim in room of origin

Rapid

1000 decreasing toward 50

CO 0–0.2%

CO2 0–10% low O2 10–21% irritants, heat, smoke

A few minutes

A few minutes

3. Small vitiated flaming: Victim in room of origin or remote

Rapid, then slow

<10

CO 0.2–4%

CO2 1–10%

O2 <12%

HCN to 1000 ppm, irritants, heat, smoke

A few minutes

A few minutes

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