Yes , DANGER placard can be used for the loads. As per TDG Regulations (4.18)
when Class 2.1 or Class 2.2 load is on the Truck along with a Class 2.3 load
, the combined loads MAY be represented by a Class 2.3 placard .Thus, either
DANGER placard and Class 2.3 or Class 2.3 and Class 3 placard are allowed
to display on the Truck.
Name: Karl Boucher