Categorical Exclusion Determinations: B6.1

Washington River Protection Solutions LLC - Cleanup Actions CX(s) Applied: B6.1 Date: 12/14/2012 Location(s): Washington Offices(s): River Protection-Richland Operations Office

CH2MHill Plateau Remediation Company - Cleanup Actions, December 2012 to December 2013 CX(s) Applied: B6.1 Date: 12/14/2012 Location(s): Washington Offices(s): River Protection-Richland Operations Office

Washington River Protection Solutions LLC - Small-Scale Mercury Spill Cleanup CX(s) Applied: B6.1 Date: 12/05/2012 Location(s): Washington Offices(s): River Protection-Richland Operations Office

Replacement, Removal, and Closure of Underground Storage Tanks CX(s) Applied: B2.5, B6.1 Date: 11/19/2012 Location(s): Tennessee, California, California, Virginia Offices(s): Oak Ridge Office

Storm Water Control Measures at Individual Permit Site, TA-72 CX(s) Applied: B1.33, B6.1 Date: 11/14/2012 Location(s): New Mexico Offices(s): Los Alamos Site Office

Storm Water Control Measures at Individual Permit Site, TA-72 CX(s) Applied: B1.33, B6.1 Date: 11/14/2012 Location(s): New Mexico Offices(s): Los Alamos Site Office

Closure of Above ground Hazardous Waste Storage Tank CX(s) Applied: B6.1 Date: 10/30/2012 Location(s): Missouri Offices(s): Kansas City Site Office

Routine and Non-Routine Activities at the Grand Junction, Colorado, Office Site CX(s) Applied: B1.3, B1.4, B1.7, B1.13, B1.15, B1.16, B1.23, B1.24, B1.28, B2.1, B2.2, B2.4, B2.5, B3.1, B5.16, B6.1 Date: 09/21/2012 Location(s): Grand Junction Offices(s...

Remove and Dispose of 107 A & B Tanks and Support Structure CX(s) Applied: B6.1 Date: 07/20/2012 Location(s): South Carolina Offices(s): Savannah River Operations Office

Materials and Fuel Complex – Sodium Processing Facility Tank System Resource Conservation and Recovery Act Closure CX(s) Applied: B6.1 Date: 06/27/2012 Location(s): Idaho Offices(s): Idaho Operations Office