Field concentrations of the smoke may irritate the eyes, nose, and throat. Casualties from WP smoke have not occurred in combat operations. Wear the protective mask in all concentrations of WP smoke that cause any cough or irritation. Since the WP remaining in felt wedges can cause thermal injury, do not handle the charred wedges on the ground without protective covering. Generally, treatment of WP smoke irritation is unnecessary.
Spontaneous recovery is rapid.
For treatment of thermal injury due to large particles of burning WP, see paragraph 9-4b. No permanent injury results from exposure to WP smoke. This smoke is similar to WP smoke, see paragraph 8-7 for information. Colored Smokes a. Properties. These smokes are produced by explosive dissemination of dyes.