HazMat Placarding and Labeling Flashcards

What is the minimum size for a HazMat placard?

Answer: 250 mm (approximately 9.84 inches) on each side

Federal regulations require HazMat placards to be at least 250 mm (9.84 inches) on each side.

Which class of HazMat requires a DANGEROUS placard instead of a specific class placard?

Answer: Two or more classes of Table 2 materials where no single class is 1,001 lbs or more

A DANGEROUS placard may be used when you have two or more categories of Table 2 hazardous materials and no single category reaches 1,001 lbs.

What color is the background of a FLAMMABLE placard?

Answer: Red

Flammable placards have a red background to indicate fire hazard, consistent with the international color-coding system.

When transporting a small amount of HazMat that does not require a placard, what must still be displayed?

Answer: Proper shipping name and UN number markings on packages

Even when placards are not required, packages must still have proper shipping name, hazard class, and UN/NA identification number markings.

What do the four-digit numbers on an orange panel or placard identify?

Answer: The UN/NA identification number for the specific material

The four-digit UN or NA identification number on an orange panel or placard identifies the specific hazardous material being transported.

A CORROSIVE placard has what distinctive feature?

Answer: Test tubes dripping onto a hand and metal on white/black background

Corrosive placards depict test tubes dropping liquid onto a hand and a metal surface to indicate the material destroys living tissue and metals.