In mark of progress, SRS crews remove cesium columns from tank closure unit
https://www.postandcourier.com/aikenstandard/news/savannah-river-site/in-mark-of-progress-srs-crews-remove-cesium-columns-from-tank-closure-unit/article_2ff243e6-5ce2-11eb-bc85-73ce76ff5c0f.html