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What's Happening Now

In the D&D space, crews are deactivating a number of reactors, including the Experimental Gas-Cooled Reactor, Low Intensity Test Reactor, Oak Ridge Research Reactor, and the Bulk Shielding Reactor. Workers are also deactivating the complex of facilities known as Isotope Row. After recently removing the west cell bank at the former Radioisotope Development Lab, crews are characterizing the east cell bank for demolition next year, which will be the last of the final two “hot cells.”

At LGWO, workers continue to upgrade the infrastructure. Recently, a new zeolite treatment system was completed consolidating radiological and non-radiological wastewater treatment capability into one facility, reducing operational costs. The upgrade makes it possible to decommission other outdated facilities.

Our S&M work includes maintaining the Molten Salt Reactor Experiment facility, providing upgrades for the 3001 Graphite Reactor, and other system and facility upgrades as needed.

OVERVIEW

UCOR is deactivating and demolishing (D&D) excess facilities, which includes remediating contaminated soil, water, and infrastructure, and treating, removing, and disposing of waste. We ensure 24/7 operations of the Liquid & Gaseous Waste Operations (LGWO), which includes making critical upgrades to extend the life of aging facilities. Additionally, we operate, surveil, and maintain (S&M) structures and facilities that are waiting for disposition.

Number of excess facilities:

125+

Number that are high risk:

30+

Milestone Dates

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Removed Tank W-1A, ORNL’s largest source of groundwater contamination

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Cleared, capped, and drained the reactor pool at the Oak Ridge Research Reactor

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Began upgrading the Liquid and Gaseous Waste Operations system

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Moved Molten Salt Reactor Experiment to lay up status

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Removed next to last hot cell at 3026 Radioisotope Lab

The Past

ORNL was originally known as Clinton Laboratories. The site was established in 1943 with the code name X-10. The original mission for ORNL in the Manhattan Project was to pilot production and separation of plutonium. The earliest facility on the site was the historic Graphite Reactor, which was followed by 12 other reactors as well as a variety of facilities for isotope research and production. Today, ORNL is a world-leader in supercomputing and scientific research.

The Future

On the ORNL site, there are over 125 excess facilities to be removed. More than 30 of those are considered high risk. There are legacy materials and waste to be treated, removed, and disposed of, and contaminated soil, water, and infrastructure to be remediated.

We will also continue to provide critical upgrades to keep existing facilities and infrastructure like LWGO in operational condition.

OUR COMMITMENT TO
SAFETY
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