Subsidiary hazards for hazardous materials are found in column 6 (Label codes) of the 172.101 hazmat table. You can read more about subsidiary placards as well as other placarding requirements in our general placarding requirments article.

The Corrosive placard is NOT for ALL Corrosives, it is commodity specific to Uranium Hexafluoride only.

You do not have to placard for all subsidiary hazards except for the placards shown below. Placarding for other than the placards shown below is considered permissive.