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Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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GAO: Grouting Hanford tank waste could cost more than $1.1B
Workers move a container of treated tank waste as part of Hanford’s Test Bed Initiative to grout around 2,000 gallons of LAW for off-site disposal. (Photo: DOE)
Grouting Hanford’s low-level radioactive liquid tank waste could cost between $480 million and $1.1 billion, according to a report by the Government Accountability Office, which has repeatedly found that grouting (immobilizing waste in a concrete-like mixture) can accelerate cleanup at the Hanford Site and save billions of dollars when compared to mixing the waste with molten glass through the vitrification process.
Technical Session|Panel|Sponsored by DESD|Cosponsored by OPD
Monday, June 14, 2021|1:00–2:45PM EDT
Session Chairs:
John Kelly
Erhard W. Koehler (US Maritime Administration)
Session Organizer:
Staff Producer:
Daryl Rizzo (ANS)
Built in 1959, NS Savannah (NSS) was the world's first nuclear-powered merchant ship and served as a signature element of President Eisenhower's Atoms for Peace program. While in service, NSS demonstrated the peaceful use of atomic power as well as the feasibility of nuclear-powered merchant vessels. The vessel was retired from active service in 1970 and registered as a National Historic Landmark in 1991. NSS is currently part of MARAD's National Defense Reserve Fleet (NDRF) in retention status. This session will examine the history of the NS Savannah.
Erhard Koehler
MARAD
Derek Sutton
US Navy
Francis Owens
NS Savannah Assoc.
Steve Mirsky
NuScale Power
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Presentation Video (Visible to Attendees) — Bucky Owens
Presentation Video (Visible to Attendees) — Erhard Koehler
Presentation Video (Visible to Attendees) — Caleb Soeun
