☣️ UN 0318 • CLASS 1
UN 0318 — Grenades, practice
Placard: Explosive 1.3G. ERG Guide 112. Training/quick-reference only — use current ERG + SOP/SOG for incident-specific actions.
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⚠️ 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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UN 0318 Quick Details
UN 0318
Product name: Grenades, practice
DOT Class: 1
Placard type: Explosive 1.3G
ERG Guide: 112 (check current ERG)
Initial isolation: ERG 112: isolate 500m in all directions; evacuate 1600m if fire; treat as potential explosive hazard despite practice designation
Common Hazards of UN 0318
- Fire and burning hazard — not mass explosion.
- Intense heat and possible fragment projection.
- May deflagrate and initiate other materials.
- Smoke and toxic combustion products.
Chemical Identity & Physical Properties
| 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 |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 0318
Extinguishing Media
Water spray, foam, dry chemical, CO2 acceptable for external fires
PPE Requirements
⚠️ Level C minimum; full protective clothing, helmet, face shield, and SCBA if fire involved; maintain safe distance from fragments
Isolation & Evacuation
ERG 112: isolate 500m in all directions; evacuate 1600m if fire; treat as potential explosive hazard despite practice designation
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 112).
First Actions for a UN 0318 Incident
- 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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📋 Copy & Share Field Card
UN 0318 — Grenades, practiceHAZMAT 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 in Class 1
Discovery block for training / quick reference. Always consult the current ERG + your SOP/SOG for operations.
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Frequently Asked Questions about UN 0318
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
Water reactivity: No significant reaction with water. Recommended extinguishing: Water spray, foam, dry chemical, CO2 acceptable for external fires.
ERG Guide 112 recommendation: ERG 112: isolate 500m in all directions; evacuate 1600m if fire; treat as potential explosive hazard despite practice designation
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.