Liquids

Liquids means any fluid (such as water) that has no independent shape but has a definite volume and does not expand indefinitely and that is only slightly compressible. This encompasses all of the various types of liquids that may be present in a CCR unit, including water that was sluiced into an impoundment along with CCR, precipitation, surface water, groundwater, and any other form of water that has migrated into the impoundment, which may be found as free water or standing water ponded above CCR or porewater intermingled with CCR.

Source

40 CFR § 257.53

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Scoping language

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

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