Deep Well Injection of Liquid Radioactive Waste at Krasnoyarsk-26

Compton, K.L., Novikov, V., & Parker, F. (2000). Deep Well Injection of Liquid Radioactive Waste at Krasnoyarsk-26. IIASA Research Report. IIASA, Laxenburg, Austria: RR-00-001

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Abstract

Early methods of radioactive waste (RW) management in the former Soviet Union (FSU) were plagued with serious problems, which eventually prompted investigations into RW disposal methods that could provide a more reliable isolation of wastes from humans and the accessible environment. Deep well injection was chosen as a potential method of RW disposal, and, after extensive testing of the concept and numerous calculations of the likely consequences, discharges into deep geological formations at Krasnoyarsk-26 began between 1967 and 1969.

This study was initiated because there were no published, independent assessments of the deep well injection systems at Krasnoyarsk-26 that used site-specific geology and data. The International Institute for Applied Systems Analysis (IIASA), in cooperation with Russian experts, undertook independent analyses of waste migration at the site, using data gathered by official Russian organizations over a 40-year period of exploration and exploitation of the repositories.

The results of the modeling efforts carried out by IIASA and the Russian organizations -- VNIPIPT and IGEM -- indicate that the existing system of deep well injection at Krasnoyarsk is functioning as designed. Under the current best understanding of site conditions, there is very little likelihood that the injected wastes would reach the earth's surface prior to the time that the radioactive materials had been absorbed, decayed, or dispersed to concentrations far below standards set for drinking water.

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