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Radiological Risk Assessment for the Remote-Handled Transuranic Waste Storage Options at Argonne National Laboratory-East.

DE200241939

Publication Date	2002
Personal Author	Cheng, J. J.; Avci, H.; Hecker, D.; Bray, W.; Bray, T.
Page Count	14
Abstract	Interim storage of the remote-handled transuranic (RH/TRU) waste is needed at Argonne National Laboratory East (ANLE). Two on-site facilities, the northwest (NW) vaults in the 317 Area and the converted spent nuclear fuel pool in Building 331, were identified as potential storage locations through previous studies. To assist the decision making process of selecting a storage location, radiological risk assessments were conducted to analyze potential radiation exposures that would be associated with storage of the RH/TRU waste in these two facilities. Three drum storage scenarios (one for the 317 Area and two for Building 331) considering different drum handling procedures and stacking patterns were developed. Time-motion information on worker activities that would occur in the procedures was collected and recorded in spreadsheets. Using the time-motion information, potential external doses were estimated for the involved workers for each step in the procedures. The sum of the potential external doses over all the activity steps gave the total collective dose for each scenario. The results show that during the storage phase, storing waste drums in half-liners in Building 331 would result in the lowest collective radiation exposure; however, it would also require the most human resources. When retrieving waste drums for off-site shipment was considered, storing waste drums in the 317 Area would be the most favorable option because it would require the least amount of human resources and would also result in the lowest collective radiation exposure.
Keywords	Transuranic wastes Risk assessment Radioactive waste management Radioactive waste storage Remote handling Argonne National Laboratory
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Argonne National Lab., IL.; Department of Energy, Washington, DC.
Supplemental Notes	Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200221

Radiological Risk Assessment for the Remote-Handled Transuranic Waste Storage Options at Argonne National Laboratory-East.

Radiological Risk Assessment for the Remote-Handled Transuranic Waste Storage Options at Argonne National Laboratory-East.
DE200241939

Publication Date	2002
Personal Author	Cheng, J. J.; Avci, H.; Hecker, D.; Bray, W.; Bray, T.
Page Count	14
Abstract	Interim storage of the remote-handled transuranic (RH/TRU) waste is needed at Argonne National Laboratory East (ANLE). Two on-site facilities, the northwest (NW) vaults in the 317 Area and the converted spent nuclear fuel pool in Building 331, were identified as potential storage locations through previous studies. To assist the decision making process of selecting a storage location, radiological risk assessments were conducted to analyze potential radiation exposures that would be associated with storage of the RH/TRU waste in these two facilities. Three drum storage scenarios (one for the 317 Area and two for Building 331) considering different drum handling procedures and stacking patterns were developed. Time-motion information on worker activities that would occur in the procedures was collected and recorded in spreadsheets. Using the time-motion information, potential external doses were estimated for the involved workers for each step in the procedures. The sum of the potential external doses over all the activity steps gave the total collective dose for each scenario. The results show that during the storage phase, storing waste drums in half-liners in Building 331 would result in the lowest collective radiation exposure; however, it would also require the most human resources. When retrieving waste drums for off-site shipment was considered, storing waste drums in the 317 Area would be the most favorable option because it would require the least amount of human resources and would also result in the lowest collective radiation exposure.
Keywords	Transuranic wastes Risk assessment Radioactive waste management Radioactive waste storage Remote handling Argonne National Laboratory
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Argonne National Lab., IL.; Department of Energy, Washington, DC.
Supplemental Notes	Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200221