With impurities, amber or dark brown with oil of camphor odor. All persons not engaged in extinguishing the fire should be immediately evacuated from the area. Fires involving GD should be contained to prevent contamination to uncontrolled areas.
Respiratory protection is required.
Do not breathe fumes. Skin contact with nerve agents must be avoided at all times. Although the fire may destroy most of the agent, care must still be taken to assure the agent or contaminated liquids do not further contaminate other areas or sewers. Contact with liquid GD or vapors can be fatal. Hydrogen produced by the corrosive vapors reacting with metals, concrete, etc., may be present.