Poison gas

Placard images are simplified study illustrations, NOT official placards. Always follow 49 CFR Part 172 and use approved placards.

Hazard

Gases that are toxic by inhalation.

Identification

White placard.

Driver study notes

Table 1 — placard for any quantity.

Exam relevance

Table 1 material. Never transported on a bus.

Regulation version

49 CFR Part 172 Subpart F (verify current eCFR)