
Dummy sample of vitrified nuclear waste
circa 1989
circa 1989
1985
1985-1989
1985-1989
1989
1987
1986
1985
1987
1989
1988
1985
1985
1985
1986
1987
1986
1985
1987
1986
1986
1987
1987
1987
1986
1986
1985
1986
1985
1987
1986
1986
1987
1986
1986
1987
1987
1987
1985
1988
1985
1985
1987
1986
1986
1986
1987
circa 1985
circa 1985
1985