Imminent threat

Imminent Threat: A high probability that exposure is occurring.
Immiscibility: The inability of two or more substances or liquids to readily dissolve into one another, such as soil and water.

Imminent Threat
A threat posed by a site if human exposure in excess of applicable human health or environmental criteria is predictable prior to implementation of an effective remedial action or an operable unit thereof.
Immiscible ...

Emergency Removal Action: 1. Steps take to remove contaminated materials that pose imminent threats to local residents (e.g., removal of leaking drums or the excavation of explosive waste.) 2. The state record of such removals.

See also: Surface water, Contaminant, Hazard, Absorption, Concentration