Incised CCR surface impoundment

Incised CCR surface impoundment means a CCR surface impoundment which is constructed by excavating entirely below the natural ground surface, holds an accumulation of CCR entirely below the adjacent natural ground surface, and does not consist of any constructed diked portion.

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.