September 1, 2011
Preliminary Notice of Violation issued to Washington Group International, Inc. related to a Radiological Contamination Event during Building Demolition at the Separations Process Research Unit
This letter refers to the Office of Health, Safety and Security's Office of Enforcement and Oversight investigation into the facts and circumstances
associated with the September 29, 2010, radiological contamination during Separations Process Research Unit Building H2 demolition. This occurrence was reported in Noncompliance Tracking System (NTS) report NTS--SPRUURSWD-SPRU-2010-0001, Contamination During Demolition. The results of the investigation were provided to URS Global Management & Operations Services in an Investigation Report dated May 17, 2011. An enforcement conference was held on July 21, 2011, with you and members of your staff, to discuss the report's findings. A summary of the enforcement conference and list of attendees are enclosed.