Decommissioning Projects: ATSR

INFORMATION: For more information, contact C. Grandy or visit the D&D website
Note on Image Credits: Unless otherwise specified, image credits go to D&D - Nuclear Engineering Division of Argonne.

 

The Argonne Thermal Source Reactor (ATSR), a highly enriched, light-water moderated reactor operated from 1953 to 1988 and served a source of neutrons for ANL experimental research programs.  The decommissioning activities began July 1998 and were completed in October 1998.

The Argonne Thermal Source Reactor (ATSR), a highly enriched, light-water moderated reactor

Approximately 20,000 lbs. of activated and contaminated lead was stacked on pallets prior to packaging into B-12 metal bins.

Approximately 20,000 lbs. of activated and contaminated lead was stacked on pallets prior to

Decommissioning technicians package graphite from the original Chicago Pile-1 (CP-1) reactor that was being stored at ATSR.

Decommissioning technicians package graphite from the original Chicago Pile-1 (CP-1) reactor that

These photos show the ATSR prior to and during removal operations. Removal of the reactor and shield tank involved the disassembly, size reduction, and packaging as low-level radioactive waste, the reactor internals, core tank, and shield tank.

These photos show the ATSR prior to and during removal operations. Removal of the reactor and

This photo shows a Snell block table that was located in the ATSR facility. It was dismantled, size reduced, and packaged for disposal as low-level radioactive waste.

This photo shows a Snell block table that was located in the ATSR facility. It was dismantled, size

Twenty activated concrete shield blocks were removed and packaged as low-level radioactive waste requiring a lift plan and special rigging equipment.

Twenty activated concrete shield blocks were removed and packaged as low-level radioactive waste

The fuel storage pit contained a large quantity of miscellaneous equipment and material. The pit was emptied and the material packaged as low-level radioactive waste.

The fuel storage pit contained a large quantity of miscellaneous equipment and material. The pit

The condition of the ATSR facility control room after decommissioning activities were completed (September 1998).        

The condition of the ATSR facility control room after decommissioning activities were completed

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