Nuclear Weapons & Stockpile

Hole in Valve Linked to April Hydrogen Fluoride Leak at Y-12

By Photo of Exchange Monitor

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…

In This Issue

Balky Capacitors Could Delay Two NNSA Nuke Refurb Programs

A stainless steel glovebox used to handle sensitive materials in a controlled, inert-atmosphere laboratory.

DOE, NNSA Chiefs Set for Face Time With Cortez Masto, Rosen in Nevada

A stainless steel glovebox used to handle sensitive materials in a controlled, inert-atmosphere laboratory.

NNSA Won’t Start Savannah River Plutonium Disposal Until 2028

A stainless steel glovebox used to handle sensitive materials in a controlled, inert-atmosphere laboratory.

MOX Services Sues for $53M in Unpaid Work at Savannah River Plutonium Disposal Plant

A person at a desk reviewing a treaty agreement displayed on a computer screen, with a handshake and checkmark icon.

As White House Waffles on New START, Lawmakers File Bills Backing Treaty’s Nuke Limits

The U.S. Capitol dome framed by trees with an overlay of paper currency, symbolizing federal budget appropriations.

House Appropriators Envision More Energy and Water Funding for 2020

Rows of server racks and supercomputing equipment used for large-scale scientific simulation.

Gang of Lawmakers Seeks Answers on JASON Transfer to NNSA

A person at a desk reviewing a treaty agreement displayed on a computer screen, with a handshake and checkmark icon.

Thirteen People, Seven Floors Contaminated After Accident During Cesium Irradiator Swap

A ballistic missile warhead stored upright inside an underground launch silo, viewed from above.

NNSA Subcritical Plutonium Test Data and Schedule Unaffected by Rad Leak

Rows of vertical cylindrical stainless steel centrifuge units arranged in an industrial cascade.

Centrus Expects Contract for HALEU Cascade in ‘Near Term,’ CEO Says

A stainless steel glovebox used to handle sensitive materials in a controlled, inert-atmosphere laboratory.

Safety Protocol Lapses Result in SRNL Work Suspension

Two professionals reviewing and signing a contract document together in an office setting.

SRNS Ramps Up Hiring to Address Attrition, New Missions

A naval ballistic missile submarine partially surfaced and underway in open ocean.

Columbia Program Manager Vows First New Nuke Sub Will Deploy On Time

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