May 27, 2011

Consent Order, Washington River Protection Solutions, LLC - NCO-2011-01

Issued to Washington River Protection Solutions, LLC related to deficiencies in the corrective action management program, radiation control program, and sealed radioactive source accountability and control program

September 22, 2010

Consent Order, Bechtel National Inc. - NCO-2010-03

Issued to Bechtel National, Inc. for Deficiencies in Vendor Commercial Grade Dedication Processes at the Hanford Waste Treatment and Immobilization Plant Project

August 19, 2010

Preliminary Notice of Violation, Washington Closure Hanford, LLC - WEA-2010-02

Issued to Washington Closure Hanford, LLC related an Employee Fall at the High Bay Testing Facility (336 Building) at the Hanford Site

December 3, 2008

Preliminary Notice of Violation, Bechtel National, Inc. - NEA-2008-04

Issued to Bechtel National, Inc., related to Deficiencies at the Waste Treatment and Immobilization Plant at the Hanford Site

September 15, 2008

Preliminary Notice of Violation, Bechtel National, Inc. - NEA-2008-03

Issued to Bechtel National, Inc., related to 10. C.F.R. Part 708 at the Hanford Site

June 5, 2008

Preliminary Notice of Violation, CH2M HILL Hanford Group, Inc. - NEA-2008-02

Issued to CH2M Hill Hanford Group, Inc., related to a Radioactive Waste Spill at the Hanford Site Tank Farms

October 4, 2007

Preliminary Notice of Violation, Bechtel National, Inc. - EA-2007-05

Issued to Bechtel National, Inc., related to Design and Procurement Deficiencies at the Waste Treatment and Immobilization Plant at the Hanford Site

September 6, 2007

Enforcement Letter, CH2M Hill Hanford Group Inc, - September 6, 2007

Issued to CH2M Hill Hanford Group, Inc., related to Quality Improvement Deficiencies at the Hanford Tank Farms

November 16, 2006

Preliminary Notice of Violation, CH2M Hill Hanford Group, Inc. - EA-2006-06

Issued to CH2M Hill Hanford Group, Inc., related to Radiological Contamination Events at the Hanford Site Tank Farms

March 16, 2006

Preliminary Notice of Violation, Bechtel National Inc. - EA-2006-03

Issued to Bechtel National Inc., related to Multiple Deficiencies at the Waste Treatment and Immobilization Plant at the Hanford Site