December 16, 2005

Preliminary Notice of Violation, Fluor Hanford Incorporated - EA-2005-07

Issued to Fluor Hanford, Incorporated, related to issues at the Plutonium Finishing Plant and K-Basins facilities at the Hanford Site

August 5, 2005

Consent Order, Bechtel Hanford, Inc - EA-2005-01

Issued to Bechtel Hanford, Inc. related to Radiological Uptakes at the 618-2 Burial Ground at the Hanford Site, (Consent Order 2005-1)

July 8, 2005

Enforcement Letter, CH2M Hill Hanford Group, Inc - July 8, 2005

Issued to CH2M Hill Hanford Group, Inc., related to Neutron Exposure at the Hanford Site

March 10, 2005

Preliminary Notice of Violation, CH2M Hill Hanford Group, Inc - EA-2005-01

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

July 15, 2004

Preliminary Notice of Violation, Fluor Hanford Inc. - EA-2004-06

Issued to Fluor Hanford, Incorporated, related to Deficiencies with the Design and Safety Basis of the Sludge and Water System (SWS) at the K Reactor, 100 Area, Hanford Site. Proposed Imposition of Civil Penalty $935,000.

March 25, 2004

Enforcement Letter, Bechtel National Inc - March 25, 2004

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

August 29, 2003

Preliminary Notice of Violation, CH2M Hill Hanford Group, Inc. - EA-2003-06

Issued to CH2M Hill Hanford Group, Inc., related to Quality Assurance Issues at the Hanford Site Tank Farms

August 14, 2002

Preliminary Notice of Violation, Fluor Hanford, Incorporated - EA-2002-03

Issued to Fluor Hanford, Incorporated, related to Quality Assurance issues at the Hanford Site.

August 13, 2002

Preliminary Notice of Violation, Bechtel Hanford, Inc., - EA-2002-04

Issued to Bechtel Hanford, Inc., related to Quality Assurance Deficiencies associated with the Nondestructive Assay Services at the Hanford Site

April 16, 2002

Enforcement Letter, Fluor Federal Services - April 16, 2002

Issued to Fluor Federal Services related to 10 CFR 820.11 at the Hanford Site