☣️ UN 0124 • CLASS 1
UN 0124 — Jet perforating guns, charged, oil well, without detonator
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 0124 Quick Details
UN 0124
Product name: Jet perforating guns, charged, oil well, without detonator
DOT Class: 1
Placard type: Explosive 1.1D
ERG Guide: 112 (check current ERG)
Initial isolation: ERG 112: Isolate 500m (1600 ft) all directions; evacuate 800m (0.5 mile) if fire; treat as mass explosion hazard
Common Hazards of UN 0124
- Shaped charge hazard
- Blast and fragmentation potential
- Requires specialized handling
Chemical Identity & Physical Properties
| Also known as | Shaped charge perforating gunsOil well perforatorsWireline perforating chargesWell completion explosivesDownhole shaped charges |
| Appearance | Metal cylindrical assemblies containing multiple shaped explosive charges arranged in a tubular carrier. Typically steel construction with explosive-filled conical liners designed to penetrate well casing and formation rock. |
| Flash Point | Not applicable (explosive device) |
| Boiling Point | Not applicable (explosive device) |
| Vapor Density | Not applicable (solid explosive device) |
| Water Reactivity | No significant reaction with water, but moisture may degrade explosive performance over time |
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Fireground Response Guidance — UN 0124
Extinguishing Media
Do not apply foam or water directly; use distance and protective barriers; explosives 1.1D require no fire suppression in immediate area
PPE Requirements
⚠️ Level B minimum with fragment-resistant protection; SCBA required; maintain maximum distance; specialized EOD personnel for emergency response
Isolation & Evacuation
ERG 112: Isolate 500m (1600 ft) all directions; evacuate 800m (0.5 mile) if fire; treat as mass explosion hazard
Always confirm protective actions with the current edition of the Emergency Response Guidebook (ERG Guide 112).
First Actions for a UN 0124 Incident
- CALL 911. Then call emergency response number on shipping paper.
- Isolate; stage upwind
- Request Hazmat + law enforcement immediately
- Do not approach or disturb
- Consult current ERG Guide 112 and SOP/SOG
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UN 0124 — Jet perforating guns, charged, oil well,HAZMAT RADIO NOTE — UN 0124
Product: Jet perforating guns, charged, oil well, without detonator
Class 1 / Explosive 1.1D / ERG 112
PPE: Level B minimum with fragment-resistant protection; SCBA required; maintain maximum distance; specialized EOD personnel for emergency response
ISOLATION: ERG 112: Isolate 500m (1600 ft) all directions; evacuate 800m (0.5 mile) if fire; treat as mass explosion hazard
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 0124 — Jet perforating guns, charged, oil well, without detonator
Class: 1 | Placard: Explosive 1.1D | ERG Guide: 112
Appearance: Metal cylindrical assemblies containing multiple shaped explosive charges arranged in a tubular carrier. Typically steel construction with explosive-filled conical liners designed to penetrate well casing and formation rock.
Water Reactivity: No significant reaction with water, but moisture may degrade explosive performance over time
Extinguishing: Do not apply foam or water directly; use distance and protective barriers; explosives 1.1D require no fire suppression in immediate area
PPE: Level B minimum with fragment-resistant protection; SCBA required; maintain maximum distance; specialized EOD personnel for emergency response
Isolation: ERG 112: Isolate 500m (1600 ft) all directions; evacuate 800m (0.5 mile) if fire; treat as mass explosion hazard
— Key Hazards —
• Shaped charge hazard
• Blast and fragmentation potential
• Requires specialized handling
— First Actions —
• CALL 911. Then call emergency response number on shipping paper.
• Isolate; stage upwind
• Request Hazmat + law enforcement immediately
• Do not approach or disturb
SOURCE: allfirefighter.com/hazmat/un/0124 | Always use current ERG + SOP/SOGIC BRIEFING
Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.
UN0124 Jet perforating guns, charged, oil well, without detonator Cls1 ERG112 | allfirefighter.com/hazmat/un/0124SMS / 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/0124
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 0124
Shaped charge hazard Blast and fragmentation potential Requires specialized handling
CALL 911. Then call emergency response number on shipping paper. Isolate; stage upwind Request Hazmat + law enforcement immediately
Level B minimum with fragment-resistant protection; SCBA required; maintain maximum distance; specialized EOD personnel for emergency response
Water reactivity: No significant reaction with water, but moisture may degrade explosive performance over time. Recommended extinguishing: Do not apply foam or water directly; use distance and protective barriers; explosives 1.1D require no fire suppression in immediate area.
ERG Guide 112 recommendation: ERG 112: Isolate 500m (1600 ft) all directions; evacuate 800m (0.5 mile) if fire; treat as mass explosion hazard
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.