D,  Emissions

De Minimis Levels

Trivial levels of emissions that do not pose a threat to human health or the environment. De minimis levels vary according to the pollutant, locale, and whether the permit is for an existing site or expansion. In creating the de minimis emission levels, the Environmental Protection Agency sought to limit the need to conduct conformity determinations for actions with minimal emission increases. When the total direct and indirect emissions from the project/actions are below the de minimis levels, the project/action would not be subject to a conformity determination.

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