Inactive CCR surface impoundment
Inactive CCR surface impoundment means a CCR surface impoundment located at an active facility that no longer receives CCR on or after October 19, 2015, and still contains both CCR and liquids on or after October 19, 2015.
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.