Bioenvironmental Engineering (BEE) Block 9 Practice Test

Emission is defined as which term?

The movement of contaminants through environmental media The release or discharge of material from a source The point of contact with contaminated medium The contact of contaminants with the skin

Correct Answer:

The release or discharge of material from a source

Explanation:

Emission means the release or discharge of material from a source into the environment. This focuses on the act of substances leaving their source, such as gases venting from a stack or a chemical spill entering air or water. It’s not about how contaminants move once released (that would be transport or dispersion), nor about the moment a contaminated medium is contacted or a person’s skin exposure. Emissions are the actual emission event, often described by mass per time (like kilograms per hour).

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