☣️ UN 1327 • CLASS 4.2

Bhusa, wet, damp or contaminated with oil

Placard: Spontaneously Combustible. 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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Quick details
UN 1327
Class: 4.2
Placard type: Spontaneously Combustible
ERG: Guide 133 (check current ERG)
Material prone to spontaneous ignition due to self-heating of oily vegetable matter. Handle in well-ventilated areas and avoid accumulation of damp waste. Use ERG Guide 133 for emergency response.
Common hazards (high level)
  • May self-heat and spontaneously ignite when damp, oily, or confined.
  • Combustion may be vigorous and difficult to extinguish once started.
  • Decomposition may produce toxic fumes of carbon monoxide and dioxide.
  • Runoff from fire control may cause contamination of surface waters.
First actions (field-minded)
  • Isolate and restrict access to the area.
  • Avoid water on burning material unless for exposure cooling.
  • Do not attempt to smother burning piles; allow controlled burn if safe.
  • Use dry chemical, CO₂, or sand for small fires.
  • Wear protective clothing and positive-pressure SCBA.
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MAYDAY / HAZMAT QUICK NOTE
UN 1327 — Bhusa, wet, damp or contaminated with oil
Class: 4.2 | Placard: Spontaneously Combustible
ERG: Guide 133 (check current ERG)
FIRST ACTIONS: use SOP/SOG + ERG; stage upwind; isolate; deny entry; request Hazmat.
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FAQ

A UN/NA number is a four-digit identifier used in transport markings and placards to help identify hazardous materials for emergency response.

No. This page is a training/quick-reference aid. Always consult the current ERG and follow your SOP/SOG for incident-specific protective actions.

Common locations include placards, orange panels, shipping papers, SDS documents, container markings, rail car/vehicle IDs, and facility signage.
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.