Hazmat Awareness · Chapter 3 · Quick-fire
Recognizing and Identifying Hazards
Question 1 / 10Press 1–4 · H for hint
Which statement best matches the objective: Read placard hazard class?
- 1Identify material by UN/NA, name, or placard; open orange guide; apply isolation and protective action tables.
- 2Determine primary class and subsidiary risks using DOT Chart 17 symbology.
- 3Downwind or vulnerable-area distance for shelter-in-place or evacuation decisions.
- 4Establish first-cut perimeter from ERG table before specialist modeling.