Y-12 National Security Complex

Consolidated Nuclear Security confirmed Wednesday it is investigating “potential discrepancies” between the hours employees at the Pantex Plant in Amarillo, Texas, say they worked and the hours recorded by badge readers at the nation’s only nuclear-weapons assembly site. The local NBC affiliate, KAMR-TV, first reported the news. The Bechtel National-led Consolidated Nuclear Security (CNS) in […]

The Defense Nuclear Facilities Safety Board (DNFSB) hopes to receive a briefing in early October from the National Nuclear Security Administration (NNSA) regarding criticality safety at the Y-12 National Security Complex in Tennessee. Board member Joyce Connery, writing on behalf of DNFSB Chairman Bruce Hamilton, indicated in an Aug. 23 letter to NNSA Administrator Lisa […]

The U.S. Department of Energy now plans to issue its draft record of decision for a proposed 2.2-million-cubic yard landfill for the Oak Ridge Site in Tennessee on Sept. 30. Officials with DOE’s Office of Environmental Management, the U.S. Environmental Protection Agency, and the state of Tennessee agreed to delay publication of the ROD from […]

The Defense Nuclear Facilities Safety Board (DNFSB) hopes to receive a briefing in early October from the National Nuclear Security Administration (NNSA) regarding criticality safety at the Y-12 National Security Complex in Tennessee. Board member Joyce Connery, writing on behalf of DNFSB Chairman Bruce Hamilton, indicated in an Aug. 23 letter to NNSA Administrator Lisa […]

The Nevada Division of Environmental Protection (NDEP) expects by the end of this month to receive additional U.S. Energy Department information on numerous shipments of mislabeled radioactive waste to the Nevada National Security Site (NNSS). After reviewing the latest material from DOE, the state “will determine whether the material is stable in the current disposal […]

The prime contractor for the Y-12 National Security Complex is tightening its criticality safety program and increasing oversight and monitoring of that regime to prevent an accidental nuclear chain reaction, following a recent federal report that deemed the existing program at the main U.S. uranium processing site “inadequate.” The Oak Ridge, Tenn., site houses National […]

The prime contractor for the Y-12 National Security Complex is tightening its criticality safety program and increasing oversight and monitoring of that regime to prevent an accidental nuclear chain reaction, following a recent federal report that deemed the existing program at the main U.S. uranium processing site “inadequate.” After a month-long inspection last year of […]

City officials from Oak Ridge, Tenn., want to meet with Energy Department representatives before the federal agency issues a draft record of decision in August for a new 2.2-million-cubic yard landfill planned for the Oak Ridge Site. City Manager Mark Watson made the request in a July 12 letter to Jay Mullis, manager of DOE’s […]

The Department of Energy acknowledged Wednesday that for six years it sent nuclear weapons waste to the Nevada National Security Site in violation of its waste acceptance criteria. The agency confirmed the information the same day Nevada Gov. Steve Sisolak (D) made it public in a press release. Senior DOE officials including Lisa Gordon-Hagerty, head of the […]

The Department of Energy acknowledged Wednesday that for six years it sent nuclear weapons waste to the Nevada National Security Site in violation of its waste acceptance criteria. The agency confirmed the information the same day Nevada Gov. Steve Sisolak (D) made it public in a press release. Senior DOE officials including Lisa Gordon-Hagerty, head of […]

As expected, Northrop Grumman on Tuesday said that its board has elected Kathy Warden as its chairman effective Aug. 1, adding to her current duties of president and CEO of the $30 billion defense company. Warden succeeds Wes Bush, who has been the company’s chairman since July 2011. Bush will resign from the board effective July […]

The site operations contractor for the Y-12 National Security Complex is finishing decontamination in Building 9995 after a furnace there blew open and spewed uranium in late May. The muffle furnace in Y-12’s Analytical Chemistry Facility partially exploded after an unexpected reaction, contaminating nearby space and equipment, but neither injuring nor contaminating any personnel, a spokesperson […]

The door to a muffle furnace at the Y-12 National Security Complex’s Analytical Chemistry Facility “blew open” after a “violent reaction” in May, according to a Friday report from the Defense Nuclear Facilities Safety Board (DNFSB). A chemist working near the muffle furnace in Y-12’s Building 9995 was not harmed when the equipment ejected glass vials […]

The prime contractor for the National Nuclear Security Administration’s Y-12 National Security Complex continued to grapple with a fix for a hydrogen fluoride system until earlier this month — well after an April leak that prompted an evacuation of the agency’s main uranium processing building. The system in Building 9212 “returned to operation on Monday, […]

The National Nuclear Security Administration (NNSA) said Tuesday it intends to award BWX Technologies subsidiary Nuclear Fuel Services a sole-source contract to purify highly enriched uranium and convert it into metal for nuclear weapons programs. The NNSA will need Nuclear Fuel Services to step in around 2023, when the semiautononmous Department of Energy agency plans […]

The prime contractor for the National Nuclear Security Administration’s Y-12 National Security Complex continued to grapple with a fix for a hydrogen fluoride system until earlier this month — well after an April leak that prompted an evacuation of the agency’s main uranium processing building.  The system in Building 9212 “returned to operation on Monday, […]

LATA-Atkins Technical Services, a team including Atkins and Los Alamos Technical Associates, said this week it won a potentially 7.5-year waste-management subcontract from Y-12 National Security Complex operator Consolidated Nuclear Security (CNS). The team also includes a small business, Strata-G, which has previously worked on liquid- and solid-waste management at the nation’s primary uranium processing […]

The prime contractor for the National Nuclear Security Administration’s main uranium enrichment site intends to award a contract in 2020 for up to four furnaces that help reclaim excess uranium metal left over from defense missions, a company spokesperson said Monday. The award will be for at least one pair, and possibly two pairs, of […]

LATA-Atkins Technical Services, a team including Atkins and Los Alamos Technical Associates, said Tuesday it won a potentially 7.5-year waste-management subcontract from Y-12 National Security Complex operator Consolidated Nuclear Security (CNS). The team also includes a small business, Strata-G, which has previously worked on liquid- and solid-waste management at the nation’s primary uranium processing site. […]

The prime contractor for the National Nuclear Security Administration’s main uranium enrichment site intends to award a contract in 2020 for up to four furnaces that help reclaim excess uranium metal left over from defense missions, a company spokesperson said Monday. The award will be for at least one and possibly two pairs of direct […]

Consolidated Nuclear Security has received the go-ahead to install a piece of hardware at the Y-12 National Security Complex that will one day help the National Nuclear Security Administration end uranium processing in the World War II-era Building 9212 and transfer the work to the planned Uranium Processing Facility. In a report published Friday, the […]

The Y-12 National Security Complex in Oak Ridge, Tenn., has taken custody of some 700 kilograms of highly enriched uranium from the United Kingdom, the National Nuclear Security Administration (NNSA) said. The material, shipped to the U.S. from the U.K.’s Dounreay fast-reactor decommissioning site beginning in 2016, was at Oak Ridge awaiting downblending in “commercial […]

A hole in a calibration valve caused the hydrogen fluoride leak that prompted the operations contractor of the Y-12 National Security Complex to evacuate the main U.S. uranium processing building in early April, according to a recent report by the Defense Nuclear Facilities Safety Board (DNFSB). “Based on a visual inspection, a hole was identified […]

A hole in a calibration valve caused the hydrogen fluoride leak that prompted the operations contractor of the Y-12 National Security Complex to evacuate the main U.S. uranium processing building in early April, according to a recent report by the Defense Nuclear Facilities Safety Board (DNFSB). “Based on a visual inspection, a hole was identified […]

No one was injured and no special nuclear material was damaged after an apparent hydrogen fluoride leak Thursday morning in the 9212 uranium processing building at the Y-12 National Security Complex in Oak Ridge, Tenn., a spokesperson for the National Nuclear Security Administration said. An alarm first detected the gas release at 7:52 a.m. Eastern […]

Leidos on Tuesday posted higher sales and earnings due to top line growth across its business segments and higher operating income in its Health and Civil segments. Net income increased 65 percent to $188 million, $1.25 earnings per share (EPS), from $114 million (74 cents EPS) a year ago. The strong earnings were driven by […]

Environmental groups that sued to stop construction of the Department of Energy’s new uranium hub in Tennessee want a federal judge to cut to the chase and rule in their favor, court papers filed Monday show. The anti-nuke coalition this week asked for a summary judgment in the nearly 3-year-old lawsuit in the U.S. District […]

The prime contractor for the National Nuclear Security Administration’s (NNSA) Y-12 and Pantex sites spent about $30 million from 2016 to 2018 to create consolidated business information systems it says will save the government nearly $3 billion over the life of a 10-year site management contract, accpording to the Government Accountability Office. That is less than […]

The National Nuclear Security Administration said Jan. 18 it finished building the secondary stage for the first war-ready B61-12 nuclear gravity bomb on Dec. 6. The canned subassembly is the uranium-fueled stage of the future gravity bomb, which as part of a 20-year life-extension program will homogenize four previous versions of the venerable weapon. The […]

The National Nuclear Security Administration said Friday it finished building the secondary stage for the first war-ready B61-12 nuclear gravity bomb on Dec. 6. The canned subassembly is the uranium-fueled stage of the future gravity bomb, which as part of a 20-year life-extension program will homogenize four previous versions of the venerable weapon. The subassembly […]