Note to moderator: read answerline carefully. In German politics, the salt mining town of Gorleben is a byword for this stuff. An innovative facility for this stuff in Onkalo, Finland will go online in 2024. (20[2])In 2009, (20[2])Steven Chu reiterated (20[1])that a site (20[1])for this stuff once dubbed “the most studied (0[1])real estate on the planet” (20[1])was not under consideration. (20[2]0[1])In 2013, Governor Jay Inslee announced (20[1])problems at the largest repository for this (20[1])stuff (0[1])in the US (0[1])in Hartford, (20[1])Washington (20[1])with (*) single-shell (0[1])containers. (10[1]0[1])As of 2017, TEPCO (“tep-coh”) was generating (0[1])400 tons of this stuff per day in its continuing response to a 2011 natural disaster. (10[1]0[2])In 2010, Harry Reid (10[2])helped cancel a (10[1])safety study for a facility for storing this stuff in Nevada named (10[1])Yucca (10[1]0[1])Mountain. For 10 points, name (10[1])this harmful byproduct (10[2])of weapons facilities (10[1])and fission power plants. (10[3])■END■ (10[8])