Which of the following is NOT a dispersion pattern created by the release of a hazardous material?

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Multiple Choice

Which of the following is NOT a dispersion pattern created by the release of a hazardous material?

Explanation:
Dispersion patterns describe how a released hazardous material moves through air or over the environment after release. A puddle is simply liquid that pools on the ground; it isn’t an airborne spread pattern. The patterns that do describe movement through air are a vapor cloud (evaporated vapor mixing with air), a gas plume (gas traveling downwind under wind and terrain influence), and a dust cloud (solid particles suspended in air). So, the puddle is not a dispersion pattern because it represents surface pooling rather than movement of material through air.

Dispersion patterns describe how a released hazardous material moves through air or over the environment after release. A puddle is simply liquid that pools on the ground; it isn’t an airborne spread pattern. The patterns that do describe movement through air are a vapor cloud (evaporated vapor mixing with air), a gas plume (gas traveling downwind under wind and terrain influence), and a dust cloud (solid particles suspended in air). So, the puddle is not a dispersion pattern because it represents surface pooling rather than movement of material through air.

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