NEPA - Environmental Assessments

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Environmental Assessment (EA) for Avista Utilities Rebuild of 12.6-miles of the Benton-Othello Switching Station 115 kV Electrical Transmission Line on the Hanford Site (DOE/EA-2038)

Final EA (PDF)
FONSI (PDF)

Public Comment Period - May 29 through June 11, 2019

Public Scoping Period - January 3 through January 16 2017

Public Scoping Fact Sheet (PDF)

Final Environmental Assessment for Rebuild of the North Loop 230-kV Electrical Transmission Line, Hanford Site, Washington (DOE/EA-2033)

Final Environmental Assessment (PDF)
FONSI (PDF)

Environmental Assessment (EA) for Energy Northwest WNP-1/4 Lease Renewal, Hanford Site, Washington

Final Environmental Assessment (PDF)
FONSI (PDF)

Environmental Assessment (EA) for Proposed Conveyance of Land at the Hanford Site (DOE/EA-1915)

Land Conveyance MAP Annual Report 2016 (PDF)
Final EA (PDF)
Finding of No Significant Impact (PDF)
Mitigation Action Plan (PDF)
Revised FONSI (PDF)

Public Comment Period - July 13 to August 12, 2015

Draft Land Conveyance EA (PDF)
Fact Sheet (PDF)
Presentation for public meeting, July 30, 2015 (PDF)

Public Scoping Period - September 19 to October 19, 2012

September 19, 2012 Federal Register Notice of Intent To Prepare an Environmental Assessment (EA) for the Proposed Conveyance (PDF)
TRIDEC proposal (PDF)
Draft Land Conveyance Environmental Assessment Analysis Area (PDF)
Land Conveyance Environmental Assessment Scoping Fact Sheet (PDF) -
October 10, 2012 Public Scoping Meeting (Richland, Washington)
Public Scoping Meeting Agenda (PDF)
Public Scoping Meeting Presentation (PDF)
Key Requirements Poster (PDF)
Formal Public Comments (PDF)
Scoping Input
Letters Received (PDF)

Environmental Assessment for Expansion of Borrow Areas on the Hanford Site (DOE/EA-1934)

Borrow Area MAP Annual Report 2016 (PDF)
Borrow Area MAP Annual Report 2015 (PDF)
Borrow Area MAP Annual Report 2014 (PDF)
FONSI (PDF)
Revised FONSI (PDF)
Mitigation Action Plan (PDF)
Final EA (PDF)
Draft Environmental Assessment (December, 2012) (PDF)
Draft Environmental Assessment Fact Sheet (PDF)

Environmental Assessment for the Deactivation of N-Reactor (DOE/EA-0984)

Environmental Assessment for the Deactivation of N-Reactor (DOE/EA-0984) May 1995 (PDF)

Disposal of Decommissioned, Defueled Naval Reactor Plants from USS Enterprise (cvn 65)

Draft Environmental Assessment (September 2011) PDF
FONSI (PDF)
Environmental Assessment - Final (PDF)

Closure of Nonradioactive Dangerous Waste Landfill and Solid Waste Landfill (DOE/EA-1707)

Draft Environmental Assessment (May 2010)
Fact Sheet (May 2010) PDF
Revised Draft Environmental Assessment (August 2011) PDF
Revised Fact Sheet (August 2011)
Appendix to Revised Draft Environmental Assessment (August 2011) PDF

Integrated Vegetation Management on the Hanford Site (DOE/EA-1728)
- Draft Environmental Assessment (June 2011)
- Final Vegetation Management Environmental Assessment and Finding of No Significant Impact (March 2012) (PDF)

Transfer of 1100 Area, Southern Rail Connection and Rolling Stock (DOE/EA-1260)
Environmental Assessment and Finding of No Significant Impact (August 1998) (PDF)

Upgrades and Life Extension of the 242-A Evaporator (DOE/EA-1682)
Environmental Assessment and Finding of No Significant Impact (February 2010) (PDF)

Combined Community Communications Facility and Infrastructure Cleanup on the Fitzner/Eberhardt Arid Lands Ecology Reserve (DOE/EA-1660F)
Environmental Assessment (PDF)
Finding of No Significant Impact (FONSI) (PDF)

Shutdown of the Fast Flux Test Facility (DOE/EA-0993)
Environmental Assessment (PDF)
Finding of No Significant Impact (FONSI) (PDF)

Offsite Thermal Treatment of Low-level Mixed Waste (DOE/EA-1135)
Environmental Assessment (PDF)
Finding of No Significant Impact (FONSI) (PDF)

Management of Hanford Site Non-Defense Production Reactor Spent Nuclear Fuel (DOE/EA-1185)
Environmental Assessment (PDF)
Finding of No Significant Impact (FONSI) (PDF)

Non-Thermal Treatment of Hanford Site Low-Level Mixed Waste (DOE/EA-1189)
Environmental Assessment (PDF)
Finding of No Significant Impact (FONSI) (PDF)

Disposition of Surplus Hanford Site Uranium, Hanford Site, Richland Washington (DOE/EA-1319)
Environmental Assessment (PDF)
Risk Assessment (PDF)
Finding of No Significant Impact (FONSI) (PDF)

K Basins Sludge Storage at 221-T Building, Hanford Site, Richland, Washington (DOE/EA-1369)
Environmental Assessment (PDF)
Finding of No Significant Impact (FONSI) (PDF)
Addendum 1 (PDF)

Use of Existing Borrow Areas, Hanford Site, Richland, Washington (DOE/EA-1403)
Environmental Assessment (PDF)
Finding of No Significant Impact (FONSI) (PDF)
DOE/EA-1403 Addendum – Pit 6 Expansion - 5-3-2012 (PDF)
DOE/EA-1403 Addendum - Pit 9 Expansion (PDF)

Transuranic Waste Retrieval from the 218-W-4B and 218-W-4C Low?Level Burial Grounds (DOE/EA-1405)
Environmental Assessment (PDF)
Finding of No Significant Impact (FONSI) (PDF)

Expansion of the Volpentest Hazardous Materials Management and Emergency Response Training and Education Center, Hanford Site, Richland, WA (DOE/EA-1412)
Environmental Assessment (PDF)

Activation and Use of Three Former Borrow Sites in the 100-F, 100-H, and 100-N Areas (DOE/EA-1454)
Environmental Assessment (PDF)
Finding of No Significant Impact (FONSI) (PDF)

Accelerated Tank Closure Demonstration Project (DOE/EA-1462)
Environmental Assessment (PDF)

Deactivation of the Plutonium Finishing Plant (DOE/EA-1469)
DRAFT Environmental Assessment (PDF)

Last Updated 12/11/2019 12:31 PM

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