Which of the following is a primary pathway through which TCE can enter the environment?

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Multiple Choice

Which of the following is a primary pathway through which TCE can enter the environment?

Volatility drives how TCE enters the environment: it readily evaporates from liquids and contaminated surfaces, so air emissions from industrial sources become the main pathway by which it enters the environment. When factories handle or dispose of TCE, much of it escapes as vapor to the atmosphere, where it can disperse and be inhaled or transported long distances. While TCE can reach water or soil through spills or leaks, those routes are typically secondary to direct volatilization into air for a volatile solvent. The statement that TCE cannot enter the environment is false, and claims that soil would degrade TCE quickly don’t reflect its persistence and mobility. Natural immunity isn’t a mechanism for environmental transport of chemicals. Therefore, air emissions from factories best explain the principal entry route.

Volatility drives how TCE enters the environment: it readily evaporates from liquids and contaminated surfaces, so air emissions from industrial sources become the main pathway by which it enters the environment. When factories handle or dispose of TCE, much of it escapes as vapor to the atmosphere, where it can disperse and be inhaled or transported long distances. While TCE can reach water or soil through spills or leaks, those routes are typically secondary to direct volatilization into air for a volatile solvent. The statement that TCE cannot enter the environment is false, and claims that soil would degrade TCE quickly don’t reflect its persistence and mobility. Natural immunity isn’t a mechanism for environmental transport of chemicals. Therefore, air emissions from factories best explain the principal entry route.

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