What is the required shape and orientation of a hazardous material placard?

Square-on-point, in a diamond shape. Section 9.3.3: Placards are at least 10 3/4 inches square, turned upright on a point, in a diamond

What is the required shape and orientation of a hazardous material placard?

ANSWER BREAKDOWN
  • A. Incorrect. "Rectangular, reading top to bottom" is not correct. Placards are at least 10 3/4 inches square, turned upright on a point, in a diamond shape.
  • B. Incorrect. "Circular" is not correct. Placards are at least 10 3/4 inches square, turned upright on a point, in a diamond shape.
  • C. Correct. Placards are at least 10 3/4 inches square, turned upright on a point, in a diamond shape.
  • D. Incorrect. "Triangular" is not correct. Placards are at least 10 3/4 inches square, turned upright on a point, in a diamond shape.