OSHA 10-Hour Construction ReviewHealth Hazards in ConstructionEasy

A construction worker is handling a product labeled with a GHS pictogram showing a flame over a circle. What type of hazard does this pictogram primarily indicate?

  1. ACorrosive to metals, skin, and eyes
  2. BFlammable gases, aerosols, liquids, or solids
  3. COxidizing material
  4. DToxic or fatal if swallowed, inhaled, or absorbed through skin
Show answer & explanation

Correct answer: C. Oxidizing material

The flame over a circle pictogram specifically denotes oxidizing materials, which can cause or contribute to the combustion of other materials.

Why the other options are wrong

  • A. This describes the 'corrosion' pictogram.
  • B. This describes the 'flame' pictogram, not 'flame over circle'.
  • D. This describes the 'skull and crossbones' pictogram.

GHS Oxidizer Pictogram

The GHS pictogram featuring a flame over a circle indicates that a substance is an oxidizer, meaning it can cause or intensify a fire by yielding oxygen.

  • Represents oxidizing hazards.
  • Can cause or intensify fire.
  • Distinct from the 'flame' pictogram which indicates flammability.

Memory trick: Oxidizers make fire 'O'ver the top!

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