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U.S. Department of Energy
Office of Scientific and Technical Information

Tank 241-C-103 organic vapor and liquid characterization and supporting activities, Hanford Site, Richland, Washington. Environmental Assessment

Technical Report ·
DOI:https://doi.org/10.2172/10188448· OSTI ID:10188448
The action proposed is to sample the vapor space and liquid waste and perform other supporting activities in Tank 241-C-103 located in the 241-C Tank Farm on the Hanford Site. Operations at Tank 241-C-103 are curtailed because of an unreviewed safety question (USQ) concerning flammability issues of the organic waste in the tank. This USQ must be resolved before normal operation and surveillance of the tank can resume. In addition to the USQ, Tank 241-C-103 is thought to be involved in several cases of exposure of individuals to noxious vapors. This safety issue requires the use of supplied air for workers in the vicinity of the tank. Because of the USQ, the US Department of Energy proposes to characterize the waste in the vapor space and the organic and aqueous layers, to determine the volume of the organic layer. This action is needed to: (1) assess potential risks to workers, the public, and the environment from continued routine tank operations and (2) provide information on the waste material in the tank to facilitate a comprehensive safety analysis of this USQ. The information would be used to determine if a flammable condition within the tank is credible. This information would be used to prevent or mitigate an accident during continued waste storage and future waste characterization. Alternatives to the proposed activities have been considered in this analysis.
Research Organization:
USDOE, Washington, DC (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States)
OSTI ID:
10188448
Report Number(s):
DOE/EA--0881; ON: DE94001263; NC: NONE
Country of Publication:
United States
Language:
English