Legacy CCR surface impoundment

Legacy CCR surface impoundment means a CCR surface impoundment that no longer receives CCR but contained both CCR and liquids on or after October 19, 2015, and that is located at an inactive electric utility or independent power producer.

Source

40 CFR § 257.53

Scoping language

The following definitions apply to this subpart. Terms not defined in this section have the meaning given by RCRA.