Removal Action

 The cleanup or removal of released hazardous substances from the environment, such actions as may be necessarily taken in the event of the threat of a release..., such actions as may be necessary to monitor, assess, and evaluate the release or threat of release..., the disposal of removed material, or the taking of such other actions as may be necessary to prevent, minimize, or mitigate damage to the public health or welfare or to the environment, which may otherwise result from a release or threat of release.