☣️ UN 0048 • CLASS 1
UN 0048 — Charges, demolition
Placard: Explosive 1.1D. 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 0048 Quick Details
UN 0048
Product name: Charges, demolition
DOT Class: 1
Placard type: Explosive 1.1D
ERG Guide: 112 (check current ERG)
Initial isolation: ERG 112: Isolate minimum 500m (1600 ft) in all directions. Evacuate 1600m (1 mile) radius if fire or imminent detonation
Common Hazards of UN 0048
- Mass explosion hazard — entire load may detonate simultaneously.
- Severe blast overpressure and fragmentation.
- Sensitive to heat, shock, and friction.
- Secondary fire and debris hazard.
Chemical Identity & Physical Properties
| Also known as | Demolition chargesExplosive demolition devicesShaped chargesBreaching charges |
| Appearance | Solid explosive devices typically consisting of high explosives molded or packed in metal, plastic, or fiber casings. Appearance varies by design—may be cylindrical, rectangular, or custom-shaped blocks. |
| Flash Point | Not applicable (explosive solid) |
| Boiling Point | Not applicable (decomposes/detonates) |
| Vapor Density | Not applicable (solid) |
| Water Reactivity | No significant reaction with water; however, water does not prevent detonation |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 0048
Extinguishing Media
Do not fight fire; evacuate area immediately. If fire must be fought from safe distance, water spray may be used to keep containers cool
PPE Requirements
⚠️ Level A required for approach; full blast-resistant suit with SCBA. Evacuation strongly preferred over any suppression attempt
Isolation & Evacuation
ERG 112: Isolate minimum 500m (1600 ft) in all directions. Evacuate 1600m (1 mile) radius if fire or imminent detonation
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 112).
First Actions for a UN 0048 Incident
- 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.
- Do not fight fire — evacuate and isolate; let burn if no life safety risk.
- Protect exposures only if safe and directed by command.
- Consult current ERG Guide 112 and follow SOP/SOG.
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📋 Copy & Share Field Card
UN 0048 — Charges, demolitionHAZMAT RADIO NOTE — UN 0048
Product: Charges, demolition
Class 1 / Explosive 1.1D / ERG 112
PPE: Level A required for approach; full blast-resistant suit with SCBA. Evacuation strongly preferred over any suppression attempt
ISOLATION: ERG 112: Isolate minimum 500m (1600 ft) in all directions. Evacuate 1600m (1 mile) radius if fire or imminent detonation
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 0048 — Charges, demolition
Class: 1 | Placard: Explosive 1.1D | ERG Guide: 112
Appearance: Solid explosive devices typically consisting of high explosives molded or packed in metal, plastic, or fiber casings. Appearance varies by design—may be cylindrical, rectangular, or custom-shaped blocks.
Water Reactivity: No significant reaction with water; however, water does not prevent detonation
Extinguishing: Do not fight fire; evacuate area immediately. If fire must be fought from safe distance, water spray may be used to keep containers cool
PPE: Level A required for approach; full blast-resistant suit with SCBA. Evacuation strongly preferred over any suppression attempt
Isolation: ERG 112: Isolate minimum 500m (1600 ft) in all directions. Evacuate 1600m (1 mile) radius if fire or imminent detonation
— 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/0048 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN0048 Charges, demolition Cls1 ERG112 | ERG 112: Isolate minimum 500m (1600 ft) in all directions. Evacuate 1600m (1 mil | allfirefighter.com/hazmat/un/0048SMS / 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/0048
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 0048
Mass explosion hazard — entire load may detonate simultaneously. Severe blast overpressure and fragmentation. Sensitive to heat, shock, and friction. Secondary fire and debris hazard.
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.
Level A required for approach; full blast-resistant suit with SCBA. Evacuation strongly preferred over any suppression attempt
Water reactivity: No significant reaction with water; however, water does not prevent detonation. Recommended extinguishing: Do not fight fire; evacuate area immediately. If fire must be fought from safe distance, water spray may be used to keep containers cool.
ERG Guide 112 recommendation: ERG 112: Isolate minimum 500m (1600 ft) in all directions. Evacuate 1600m (1 mile) radius if fire or imminent detonation
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.