For which hazardous materials must placards be displayed regardless of quantity?
a.Class 3 flammable liquids
b.Class 9 miscellaneous
c.Table 1 materials including Division 1.1 explosives, poison gas, and Danger Inhalation Hazard materials
d.Class 5 oxidizers
Explanation
Table 1 materials require placarding in any quantity. These include Division 1.1, 1.2, and 1.3 explosives, Division 2.3 poison gas, Division 6.1 (PG I, Inhalation Hazard only), and Class 7 radioactive Yellow III labels. The danger is too great to exempt any amount.