CDL Hazardous Materials Endorsement (HME)Hazardous Materials RegulationsEasy
A driver notices a package labeled with a 'CORROSIVE' hazard label (Class 8). What primary hazard does this material pose?
- ADamage to living tissue and materials
- BRadioactive emission
- CExplosion risk
- DFlammability
Show answer & explanationAnswer & explanation
Correct answer: A. Damage to living tissue and materials
Class 8, Corrosive materials, are defined as substances that cause visible destruction or irreversible alterations in living tissue by chemical action at the site of contact, or are corrosive to steel or aluminum. The primary hazard is damage to living tissue and materials.
Why the other options are wrong
- B. Radioactive emission is the primary hazard of Class 7 (Radioactive Materials).
- C. Explosion risk is primarily associated with Class 1 (Explosives).
- D. Flammability is primarily associated with Class 3 (Flammable Liquids) and some other classes.
Class 8: Corrosive Materials
Corrosive materials (Class 8) are substances that, by chemical action, will cause severe damage when in contact with living tissue, or, in the case of leakage, will materially damage or destroy other freight or the means of transport.
- Causes visible destruction to living tissue.
- Corrosive to metals (steel, aluminum).
- Examples: strong acids, strong bases.
- Requires protective handling and segregation.
Memory trick: Corrosives corrode: they eat away at you and your stuff!