The Manhattan Project Resources

U.S. Department of Energy

HSS Office of Classification

Office of History and Heritage Resources

Plutonium: The First 50 Years, Table 4

Table 4. Plutonium From Government Nonproduction Reactors (kg Pu)

Fiscal Year Annual Total Cumulative Total Fiscal Year Annual Total Cumulative Total
1955 1 1 1975 - 451
1956 6 7 1976 2 453
1957 8 15 1977 3 456
1958 23 38 1978 2 458
1959 22 60 1979 3 461
1960 53 113 1980 6 467
1961 26 139 1981 2 469
1962 29 168 1982 3 472
1963 8 176 1983 1 473
1964 27 203 1984 6 479
1965 21 224 1985 22 501
1966 47 271 1986 2 503
1967 35 306 1987 2 505
1968 17 323 1988 - 505
1969 16 339 1989 6 511
1970 23 362 1990 9 520
1971 28 390 1991 14 534
1972 38 428 1992 4 538
1973 16 444 1993 4 542
1974 7 451 1994 9 551