UN 0498 — Propellant, solid

=== IC HAZMAT BRIEFING === UN 0498 — Propellant, solid Class: 1 | Placard: Explosive 1.1C | ERG Guide: 112 Appearance: Typically a rubbery or hard solid material, gray to black in color, odorless or with slight chemical odor. Remains solid at room temperature and is designed to burn rapidly when ignited. Water Reactivity: No significant reaction with water, but water should not be used for firefighting due to explosion hazard Extinguishing: DO NOT use water, foam, or any extinguishing agent; flooding of fire area may be necessary from safe distance PPE: Full structural firefighting protective clothing provides limited protection; fragment protection recommended; withdraw immediately if involved in fire Isolation: ERG 112: Isolate 800m (1/2 mile) in all directions; consider initial evacuation for 1600m (1 mile) if fire or major spill — Key Hazards — • Mass explosion hazard — entire load may detonate simultaneously. • Severe blast overpressure and fragmentation. • Sensitive to heat, shock, and friction. — First Actions — • CALL 911. Then call emergency response telephone number on shipping paper. • Establish large isolation zone — minimum 500 meters in all directions. • Stage upwind, uphill; limit personnel to essential responders only. • Request Hazmat + law enforcement + additional resources immediately. SOURCE: allfirefighter.com/hazmat/un/0498 | Always use current ERG + SOP/SOGIC BRIEFING

UN0498 Propellant, solid Cls1 ERG112 | ERG 112: Isolate 800m (1/2 mile) in all directions; consider initial evacuation | allfirefighter.com/hazmat/un/0498SMS / 160 CHAR