A legal document, approved by a judge, that formalizes an agreement reached between EPA and potentially responsible parties potentially responsible parties Potentially Responsible Parties (PRPs) are individuals, companies, or any other party that are potentially liable for payment of Superfund cleanup costs.(PRPs) through which PRPs will conduct all or part of a cleanup cleanup Actions taken to deal with a release or threat of release of a hazardous substance that could affect humans and/or the environment. The term "cleanup" is sometimes used interchangeably with the terms remedial action, removal action, response action, or corrective action. action at a Superfund site; cease or correct actions or processes that are polluting the environment; or otherwise comply with EPA initiated regulatory enforcement actions to resolve the contamination at the Superfund site involved. The consent decree describes the actions PRPs will take and may be subject to a public comment period