CERCLA Definition of Release
What Constitutes a Release Under CERCLA? Section 101(22).
"[A]ny spilling, leaking, pumping, pouring, emitting, emptying, discharging, injecting, escaping, leaching, dumping, or disposing into the environment (including the abandonment or discarding of barrels, containers, and other closed receptacles containing any hazardous substance or pollutant or contaminant)... "
Remember: EPA can respond to, and list on the NPL, both actual and threatened releases.
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