Updated 1,4-dioxane risk evaluation reviews new exposure pathways

The Environmental Protection Agency has published a draft supplement to the risk evaluation for 1,4-dioxane. The new supplement reviews risks from 1,4-dioxane exposure as a byproduct of different manufacturing processes, as well as risks to the general populations from exposure in drinking water or air.

Regulatory background

Under the Toxic Substances Control Act (TSCA), the Environmental Protection Agency (EPA) is required to evaluate the risks posed by existing and new chemicals.

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