coal combustion residual surface impoundment

The term coal combustion residual surface impoundment means a natural topographic depression, man-made excavation, or diked area, which is designed to hold an accumulation of coal combustion residuals and liquids, and the unit treats, stores, or disposes of coal combustion residuals.

Source

40 CFR § 423.11

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Scoping language

In addition to the definitions set forth in 40 CFR part 401, the following definitions apply to this part:

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