☣️ DOT HAZMAT CLASS 8

Corrosives

Chemical burns, toxic vapors, and container failure—avoid contact and control runoff.

🧯☣️
⚠️ Training/quick-reference only. For real incidents, follow your SOP/SOG and the current ERG.
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Common hazards (high level)
  • Severe skin/eye burns
  • Toxic/corrosive vapors in some cases
  • Runoff contamination and reactions
How to recognize
  • Placard 'Corrosive'
  • Damaged containers and etching/burning
  • Strong irritation and visible damage
First actions (before Hazmat team)
  • Isolate, stage upwind, deny entry
  • Request Hazmat; coordinate decon and EMS
  • Avoid contact and control runoff
  • Use PPE per SOP (splash/chemical protection as directed)
  • Consult ERG/product info for incompatibilities
What NOT to do
  • Do not mix acids and bases
  • Do not walk through spills
  • Do not use incompatible absorbents without guidance
Common examples
Hydrochloric acidSulfuric acidSodium hydroxide solutionBattery acid
Popular UN numbers in this class
More UN numbers are discoverable via the Hub lookup. Always consult current ERG + SOP/SOG.
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FAQ

Corrosives can spread contamination, damage infrastructure, and react with other chemicals.

Usually not for first-in crews; follow Hazmat direction and SOP/SOG.

Protect people and responders: isolate, avoid contact, request Hazmat, consult ERG.
Sources (high level): DOT/PHMSA class & marking concepts, NFPA 704 overview concepts, and ERG usage principles. This guide does not reproduce ERG guide text—always consult the current ERG for incident-specific protective actions.