injuries poisoning
Incendiary Chemical Warfare Agents and Hydrogen Fluoride (HF)
Symptoms and Signs
 Burns due to incendiary agents have manifestations similar to those of other thermal burns. The onset of pain after HF exposure depends on the concentration of HF; pain may appear within an hour but typically occurs after 2 or 3 hours. However, once pain occurs, it is often deep and intense. Affected skin is erythematous but does not seem as severely affected as the intense pain would suggest. 