Hanford cleanup is one of the nation’s largest and most complex environmental challenges. The Tri-Party Agreement (TPA) agencies recognize that people nationwide are concerned and affected by the Hanford Site. Public input on cleanup activities plays a vital role in decision-making processes. Public involvement is important because it allows the agencies to consider public values, concerns, and ideas before making decisions. A well-informed public can help maintain support for Hanford cleanup. Below is a list of documents open for your review.