Editing Seversk (section)

==Tomsk-7 explosion==
There was a [[nuclear and radiation accidents|nuclear accident]] at the [[Tomsk-7 Reprocessing Complex]] on April&nbsp;6, 1993, when a tank exploded due to formation of [[red oil]], while [[nitric acid]] was being added to a [[PUREX|plutonium-uranium mixture]]. The explosion had a force of approximately 100 [[TNT equivalent|kg of TNT]] and blew out a large section of the exterior wall of the high level radioactive processing room,<ref>{{Cite web|url=https://xcdsystem.com/wmsym/archives//1997/sess36/36-09.htm|title = 36-09}}</ref> releasing a cloud of radioactive gas. The cloud was dispersed northwards by the wind, with some of the radioactive material settling over the neighboring village of [[Georgiyevka, Tomsk Oblast|Georgiyevka]].

[[Time (magazine)|''TIME'' magazine]] has identified the Tomsk-7 explosion as one of the world's 10 [[List of nuclear and radiation fatalities by country|"worst nuclear disasters"]].<ref>{{cite magazine |url=https://content.time.com/time/photogallery/0,29307,1887705,00.html|title=The Worst Nuclear Disasters |magazine=[[Time (magazine)|TIME]]|access-date=August 26, 2009|date=March 25, 2009}}</ref> The [[International Atomic Energy Agency]] considers the event a [[International Nuclear Event Scale|Level 3 "serious incident"]].<ref>THE RADIOLOGICAL ACCIDENT IN THE REPROCESSING PLANT AT TOMSK, [[International Atomic Energy Agency]], https://www-pub.iaea.org/mtcd/publications/pdf/p060_scr.pdf</ref>