CREATORNational Nuclear Security Administration (NNSA)
TITLEThe United States Plutonium Balance, 1944-2009
DATE ACCESSED9 October 2017

This website contains links to documents relating to the U.S. plutonium inventory from 1944 to 2009. The most recent document provides data on significant changes since 1994 including: the clean-up activities at the Rocky Flats plant in Colorado in 2005; material consolidation and disposition actions; 2007 declaration of additional surplus weapons-grade plutonium; and the opening of the Waste Isolation Pilot Plant in New Mexico. It is an update of the 1996 report, Plutonium: The First Fifty Years, which is also available on the site, as are reference documents supporting the two reports.

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