HazMat HazMat Placarding and Labeling 2

Question 1

What is the minimum size for a HazMat placard?

Accepted Answer

250 mm (approximately 9.84 inches) on each side

Answer

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

Question 2

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

Accepted Answer

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

Answer

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.

Question 3

What color is the background of a FLAMMABLE placard?

Accepted Answer

Red

Answer

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

Question 4

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

Accepted Answer

Proper shipping name and UN number markings on packages

Answer

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

Question 5

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

Accepted Answer

The UN/NA identification number for the specific material

Answer

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

HazMat - Hazardous Materials Endorsement Practice Test