☣️ UN 1857 • CLASS 4

Textile waste, wet

Placard: Spontaneously Combustible. 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 1857
Class: 4
Placard type: Spontaneously Combustible
ERG: Guide 133 (check current ERG)
Isolation: ERG 133: isolate spill/leak area immediately for at least 25m in all directions; if fire or large spill, consider initial evacuation 800m downwind
Chemical & Response Details
Also known aswet textile wastetextile scraps (wet)wet fabric wastemoistened textile material
AppearanceWet or dampened fabric scraps, cloth remnants, or textile fibers in various colors. May have slight chemical or musty odor depending on treatment or age.
Flash PointNot applicable (wetted solid material)
Boiling PointNot applicable (solid material)
Vapor DensityNot applicable (solid material)
Water ReactivityNo significant reaction; material is already wet to reduce fire hazard
ExtinguishingWater fog, foam, dry chemical, CO2 suitable for surrounding combustibles
PPE⚠️ Level D minimum for handling; upgrade to Level C or B if fire involves toxic fumes from synthetic fibers or chemical treatments; SCBA recommended for fire conditions
IsolationERG 133: isolate spill/leak area immediately for at least 25m in all directions; if fire or large spill, consider initial evacuation 800m downwind
Chemical details are general reference only. Always verify with current SDS, ERG, and SOP/SOG.
Common hazards (high level)
  • Flammable/combustible material.
  • May be ignited by friction, heat, sparks or flames.
  • Some may burn rapidly with flare-burning effect.
  • Powders, dusts, shavings, borings, turnings or cuttings may explode or burn with explosive violence.
  • Substance may be transported in a molten form at a temperature that may be above its flash point.
  • May re-ignite after fire is extinguished.
  • Fire may produce irritating and/or toxic gases.
  • Contact may cause burns to skin and eyes.
First actions (field-minded)
  • CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper
  • Keep unauthorized personnel away.
  • Stay upwind, uphill and/or upstream.
  • Isolate spill or leak area for at least 25 meters (75 feet) in all directions.
  • Consider initial downwind evacuation for at least 100 meters (330 feet).
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UN 1857 — Textile waste, wet
HAZMAT RADIO NOTE — UN 1857 Product: Textile waste, wet Class 4 / Spontaneously Combustible / ERG 133 PPE: Level D minimum for handling; upgrade to Level C or B if fire involves toxic fumes from synthetic fibers or chemical treatments; SCBA recommended for fire conditions ISOLATION: ERG 133: isolate spill/leak area immediately for at least 25m in all directions; if fire or large spill, consider initial evacuation 800m downwind ACTION: Stage upwind · Isolate · Deny entry · Request HazmatRADIO

Use for: Quick radio or face-to-face size-up. Short, structured, field-ready.

SMS WhatsApp
=== IC HAZMAT BRIEFING === UN 1857 — Textile waste, wet Class: 4 | Placard: Spontaneously Combustible | ERG Guide: 133 Appearance: Wet or dampened fabric scraps, cloth remnants, or textile fibers in various colors. May have slight chemical or musty odor depending on treatment or age. Water Reactivity: No significant reaction; material is already wet to reduce fire hazard Extinguishing: Water fog, foam, dry chemical, CO2 suitable for surrounding combustibles PPE: Level D minimum for handling; upgrade to Level C or B if fire involves toxic fumes from synthetic fibers or chemical treatments; SCBA recommended for fire conditions Isolation: ERG 133: isolate spill/leak area immediately for at least 25m in all directions; if fire or large spill, consider initial evacuation 800m downwind — Key Hazards — • Flammable/combustible material. • May be ignited by friction, heat, sparks or flames. • Some may burn rapidly with flare-burning effect. — First Actions — • CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper • Keep unauthorized personnel away. • Stay upwind, uphill and/or upstream. • Isolate spill or leak area for at least 25 meters (75 feet) in all directions. SOURCE: allfirefighter.com/hazmat/un/1857 | Always use current ERG + SOP/SOGIC BRIEFING

Use for: Incident command briefing, staging area whiteboard, or pre-entry team brief. Full chemical + response details.

SMS (short)
UN1857 Textile waste, wet Cls4 ERG133 | ERG 133: isolate spill/leak area immediately for at least 25m in all directions; | allfirefighter.com/hazmat/un/1857SMS / 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/1857
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

Flammable/combustible material. May be ignited by friction, heat, sparks or flames. Some may burn rapidly with flare-burning effect. Powders, dusts, shavings, borings, turnings or cuttings may explode or burn with explosive violence. Substance may be transported in a molten form at a temperature that may be above its flash point. May re-ignite after fire is extinguished. Fire may produce irritating and/or toxic gases. Contact may cause burns to skin and eyes.

CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper Keep unauthorized personnel away. Stay upwind, uphill and/or upstream.

Level D minimum for handling; upgrade to Level C or B if fire involves toxic fumes from synthetic fibers or chemical treatments; SCBA recommended for fire conditions

No. This is a training/quick-reference aid only. Always consult the current ERG Guide 133 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.