[1] The agreement regulates the conversion of non-essential plutonium into mixed oxide (MOX) fuel used to produce electricity.
[2] Both sides were required to render 34 tons of weapons grade plutonium, into reactor grade plutonium alongside reaching the spent fuel standard, that is mixed with the other more highly irradiating products within spent fuel.
In 2007, the US began constructing the Mixed Oxide Fuel Fabrication Facility (MFFF) on the Savannah River Site.
[3] For financial reasons, US president Barack Obama canceled construction of the MFFF in 2016 and proposed that the plutonium be diluted with non-radioactive material and disposed in the underground WIPP facility.
[4] On October 3, 2016, Russian president Vladimir Putin ordered the agreement to be suspended because the US did not meet their obligations.