The hazard class of a two-liter bottle of material is Flammable Liquid. If the description also said Poison Inhalation Hazard you should:

Question

Accepted Answer

B: Placard the vehicle with both the POISON and hazard class placards.. Some hazard materials may require that multiple placards be displayed to identify all dangers. Any shipping label containing the warning, INHALATION HAZARD dictates that the POISON INHALATION HAZARD or POISON GAS placards be displayed along with any other identifiers for the classification of materials. The amount of material being transported does not affect the decision to display these placards.

The hazard class of a two-liter bottle of material is Flammable Liquid. If the description also said Poison Inhalation Hazard you should:

Arkansas CDL HAZMAT Test Info