§ 19jj. Definitions
As used in this subchapter the term:
(c)
“Response costs” means the costs of actions taken by the Secretary of the Interior to prevent or minimize destruction or loss of or injury to park system resources; or to abate or minimize the imminent risk of such destruction, loss, or injury; or to monitor ongoing effects of incidents causing such destruction, loss, or injury.
(d)
“Park system resource” means any living or non-living resource that is located within the boundaries of a unit of the National Park System, except for resources owned by a non-Federal entity.
(g)
“Marine or aquatic park system resource” means any living or non-living part of a marine or aquatic regimen within or is a living part of a marine or aquatic regimen within the boundaries of a unit of the National Park System, except for resources owned by a non-Federal entity.