Location:

1100 Jadwin Ave.
Suite 250
Richland, WA 99352

Historic B Reactor Risk Mitigation and Regulatory Documentation

Freestone provides documentation support for mitigation, removal action, and preservation of historical landmarks.

The B Reactor, located on the Department of Energy’s Hanford Site was the first large-scale nuclear reactor ever built. As part of the Manhattan Project during World War II, the reactor produced the plutonium used in the first detonation of a nuclear weapon, the Trinity Test, and then the bomb used on Nagasaki. The B Reactor was designated by the National Park Service as a National Historical Landmark and is included in the Manhattan Project National Historical Site at Hanford. Freestone prepared a draft Engineering Evaluation and Cost Analysis (EE/CA) for the modification and preservation of the historic B Reactor Facility, followed by a Removal Action Work Plan (RAWP) as part of the CERCLA regulatory documentation process. The EE/CA presents the evaluation results of five removal action alternatives to maintain continued public access to the 105-B Reactor Facility. This document describes the B Reactor Facility, its historical significance, and past CERCLA actions. The document also describes site conditions and the sources and extent of contamination to provide a framework for the discussion of removal action objectives and alternatives. Finally, each alternative is compared against the criteria of effectiveness, implement ability, and cost.

Freestone prepared a RAWP including actions to bring the reactor building into compliance with current safety codes for continued public access while minimizing any impacts to the historical or architectural integrity of the reactor facility. The hazardous materials mitigation was recommended to be performed in conjunction with the engineering upgrades which will result in additional public access areas. Other documents prepared with the RAWP included a Surveillance and Maintenance Plan, a Waste Management Plan (WMP) and Air Monitoring Plan (AMP).

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