Which statement about hazard placards is NOT true?

• A. They are typically affixed on Bulk Packages.
• B. They use the same designs as hazard labels and are 273 mm per side.
• C. They are always smaller than hazard labels.
• D. They display the Printing ID # on placards.

Answer: (C)

Hazard placards and hazard labels both identify dangerous goods, but they differ mainly in size and visibility. Placards are designed to be read from a distance, so they’re much larger than labels. In practice, placards are about 273 mm (roughly 10.75 inches) per side, while hazard labels are much smaller, typically around 100 mm (4 inches) square. The design is the same across both—the symbols, colors, and class indicators reuse the same concepts—but placards are simply scaled up for visibility on bulk packages and on transport vehicles.

Placards also carry the identifying information for the substance, such as the UN or ID number, which helps responders and handlers recognize exactly what substance is being shipped. So the idea that placards are always smaller than hazard labels isn’t correct; placards are generally larger to serve their purpose of quick, distant recognition. The other statements align with standard practice: they’re used on bulk packages, they share the same designs as labels (just bigger), and they display the UN/ID number.