i need to make a hazmat placard for a building of a plating shop can any one help?

Question

we do anodizing and nickel plating, thats about it. how do i figure out what the placard should say. I know that the placard should be diamond shaped with probably 4 little diamonds inside naming the dangers inside the building

Answer 1

Ask the fire department or DEHC
They would want to know thw types and amount of chemical you store.