high-level waste

British  

noun

1. radioactive waste material, such as spent nuclear fuel initially having a high activity and thus needing constant cooling for several decades by its producers before it can be reprocessed or treated Compare intermediate-level waste low-level waste

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Example Sentences

An analysis released in early 2023 on options for preparing high-level waste for treatment rated an option the highest that would not use the massive, partially built Pretreatment Facility if smaller facilities were built.

From Seattle Times • Apr. 30, 2024

The Energy Department was shipping high-level waste to Idaho until a series of lawsuits between the state and the federal government in the 1990s led to a settlement agreement.

From Washington Times • Dec. 29, 2021

A recent Royal Commission report argues that South Australia could profit by storing high-level waste from nuclear reactors overseas, buried deep underground at a location still to be chosen. 

From Reuters • Aug. 17, 2016

New Mexico, in agreeing to WIPP, required that Congress enshrine in law a promise that the feds would not send high-level waste into the state.

From Forbes • Jan. 25, 2012

“Apparently, the N.R.C.’s senior leadership is ineffective in upholding the integrity of this agency,” said Aby Mohseni, acting director of the commission’s division for high-level waste repository safety.

From New York Times • Jun. 24, 2011