☣️ UN 0318 • CLASS 1
Grenades, practice
Placard: Explosive 1.3G. Training/quick-reference only — use current ERG + SOP/SOG for incident-specific actions.
🚒☣️
⚠️ This page is a quick-reference aid. For real incidents: stage upwind, isolate, deny entry, request Hazmat early, and consult the current ERG + SOP/SOG.
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Quick details
UN 0318
Class: 1
Placard type: Explosive 1.3G
ERG: Guide 112 (check current ERG)
Isolation: ERG 112: isolate 500m in all directions; evacuate 1600m if fire; treat as potential explosive hazard despite practice designation
Chemical & Response Details
| Also known as | Practice grenadesTraining grenadesInert grenadesNon-explosive grenades |
| Appearance | Metal or composite training devices designed to simulate live grenades. Typically gray or blue in color to distinguish from live munitions. Contain minimal explosive material for smoke or noise effect only. |
| Flash Point | Not applicable (explosive article) |
| Boiling Point | Not applicable (explosive article) |
| Vapor Density | Not applicable (solid article) |
| Water Reactivity | No significant reaction with water |
| Extinguishing | Water spray, foam, dry chemical, CO2 acceptable for external fires |
| PPE | ⚠️ Level C minimum; full protective clothing, helmet, face shield, and SCBA if fire involved; maintain safe distance from fragments |
| Isolation | ERG 112: isolate 500m in all directions; evacuate 1600m if fire; treat as potential explosive hazard despite practice designation |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Common hazards (high level)
- Fire and burning hazard — not mass explosion.
- Intense heat and possible fragment projection.
- May deflagrate and initiate other materials.
- Smoke and toxic combustion products.
First actions (field-minded)
- CALL 911. Then call emergency response telephone number on shipping paper.
- Isolate area; stage upwind — fire and fragment hazard.
- Request Hazmat + law enforcement.
- Control ignition sources; deny entry.
- Consult current ERG Guide 112 and follow SOP/SOG.
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UN 0318 — Grenades, practice HAZMAT RADIO NOTE — UN 0318
Product: Grenades, practice
Class 1 / Explosive 1.3G / ERG 112
PPE: Level C minimum; full protective clothing, helmet, face shield, and SCBA if fire involved; maintain safe distance from fragments
ISOLATION: ERG 112: isolate 500m in all directions; evacuate 1600m if fire; treat as potential explosive hazard despite practice designation
ACTION: Stage upwind · Isolate · Deny entry · Request HazmatRADIO
Use for: Quick radio or face-to-face size-up. Short, structured, field-ready.
=== IC HAZMAT BRIEFING ===
UN 0318 — Grenades, practice
Class: 1 | Placard: Explosive 1.3G | ERG Guide: 112
Appearance: Metal or composite training devices designed to simulate live grenades. Typically gray or blue in color to distinguish from live munitions. Contain minimal explosive material for smoke or noise effect only.
Water Reactivity: No significant reaction with water
Extinguishing: Water spray, foam, dry chemical, CO2 acceptable for external fires
PPE: Level C minimum; full protective clothing, helmet, face shield, and SCBA if fire involved; maintain safe distance from fragments
Isolation: ERG 112: isolate 500m in all directions; evacuate 1600m if fire; treat as potential explosive hazard despite practice designation
— Key Hazards —
• Fire and burning hazard — not mass explosion.
• Intense heat and possible fragment projection.
• May deflagrate and initiate other materials.
— First Actions —
• CALL 911. Then call emergency response telephone number on shipping paper.
• Isolate area; stage upwind — fire and fragment hazard.
• Request Hazmat + law enforcement.
• Control ignition sources; deny entry.
SOURCE: allfirefighter.com/hazmat/un/0318 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN0318 Grenades, practice Cls1 ERG112 | ERG 112: isolate 500m in all directions; evacuate 1600m if fire; treat as potent | allfirefighter.com/hazmat/un/0318SMS / 160 CHAR
Use for: Quick text to command or incoming units. Fits in a single SMS. Includes link to full page.
⚠️ Quick-reference only. Always use current ERG + SOP/SOG for incident-specific actions. Page: https://allfirefighter.com/hazmat/un/0318
Related UN numbers (same class)
Discovery block for training / quick reference. Always consult the current ERG + your SOP/SOG for operations.
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FAQ
Fire and burning hazard — not mass explosion. Intense heat and possible fragment projection. May deflagrate and initiate other materials. Smoke and toxic combustion products.
CALL 911. Then call emergency response telephone number on shipping paper. Isolate area; stage upwind — fire and fragment hazard. Request Hazmat + law enforcement.
Level C minimum; full protective clothing, helmet, face shield, and SCBA if fire involved; maintain safe distance from fragments
No. This is a training/quick-reference aid only. Always consult the current ERG Guide 112 and your department SOP/SOG for incident-specific protective actions.
Sources (high level): DOT/PHMSA marking & class concepts + ERG usage principles. This page does not reproduce ERG guide text—always consult the current ERG for incident-specific protective actions.