Integrated Waste Treatment Unit
Integrated Waste Treatment Unit at Idaho National Laboratory
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The 890 square-mile Idaho National Laboratory Site (INL), located in southeastern Idaho, was first established in 1952 as the National Reactor Testing Station. The original mission of the INL site was to develop and test civilian and defense nuclear reactor technologies and manage spent nuclear fuel. Fifty-two reactors — most of them first of a kind — were built at the site, including the Navy’s first prototype nuclear propulsion plant. Of the 52 reactors, four remain in operation.
Field Manager
Connie Flohr, Manager
Budget
| FY22 Enacted (In the millions) |
FY23 Request (In the millions) |
FY23 Enacted (In the millions) |
FY24 Request (in the millions) |
| $454 | $391 | $472 | $459 |
Crews at the Idaho National Laboratory Site prepare to load certified transuranic waste into a TRUPACT-II container for shipping to the Waste Isolation Pilot Plant.
Idaho News
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The Integrated Waste Treatment Unit has progressed to treating sodium-bearing waste entirely, the next step in efficiently removing remaining liquid radioactive waste from nearby Cold War-era underground tanks and closing them to protect the environment.
May 22, 2023
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Since the launch of operations just over a month ago, the Integrated Waste Treatment Unit (IWTU) has increased sodium-bearing waste treatment fivefold, a crucial step in removing remaining liquid waste from nearby underground tanks.
May 16, 2023
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Sixteen years after EM broke ground for the Integrated Waste Treatment Unit (IWTU), the first-of-a-kind facility began treating radioactive liquid waste from underground tanks at the Idaho National Laboratory (INL) Site on the afternoon of Tuesday, April
April 25, 2023
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EM contractor Idaho Environmental Coalition (IEC) hosted a delegation from Canada’s cleanup program recently to share its environmental remediation and waste management successes and challenges at the Idaho National Laboratory (INL) Site.
April 25, 2023
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Just in time for Earth Day, DOE named EM’s Portsmouth Site and Idaho Cleanup Project (ICP) as Green Fleet Award recipients last week for their exceptional efforts in ordering the most light-duty zero-emissions vehicles (ZEV) in fiscal 2023.
April 25, 2023
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The Integrated Waste Treatment Unit (IWTU) at the U.S. Department of Energy Office of Environmental Management (EM) Idaho National Laboratory (INL) Site initiated operations Tuesday to convert radioactive sodium-bearing liquid waste from nearby tanks.
April 11, 2023
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U.S. Department of Energy (DOE) leaders on Tuesday joined tribal, state and local officials, contractors and a dedicated workforce here to mark a recent milestone with the state of Idaho nearly 25 years in the making.
March 29, 2023
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Checking off an EM 2023 priority, crews retrieved the last spent nuclear fuel from a water-filled basin and safely transferred possession of the fuel elements to a complex at the Idaho National Laboratory (INL) Site.
March 21, 2023
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EM is moving forward with plans to demolish two defueled naval reactor prototypes and associated buildings at the Idaho National Laboratory (INL) Site.
March 14, 2023
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Federal and contractor leadership highlighted progress in EM’s liquid waste treatment mission and lessons learned in their work during back-to-back panels at the 2023 Waste Management Symposia.
March 7, 2023
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