Legacy Glove Box Disposal Process Reveals Levels of Contamination in Two Glove Boxes that Exceed HC-3 Limit
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Type:  Lessons Learned

Publisher:  Argonne National Laboratory (Lemont, IL), Z - Not Used (use Lemont, IL Instead - was Argonne, IL )

Published As:  Public

Date: 

Topics:  Nuclear/Nuclear Safety, Radiation Protection, Deactivation and Decommissioning

In January 2013, it was discovered that Building 205 had inappropriately operated as a radiological facility since 2008. The facility was de-inventoried to levels below Hazard Category 3 based on the known inventory. As part of continued efforts to decommission and remove excess materials, two glove-boxes were removed from Building 205 G Wing in September of 2012. In February and March of 2013, the Radiation Safety Officer reviewed data from the two glove-boxes and determined that the boxes contained combined radiological material quantities that were 1.5 times greater than Hazard Category 3 thresholds.

Lessons Learned: Hazard categorization of nuclear facilities must be based on the accurate total inventory of all radiological materials within the facility. Radioactive material totals must be calculated by adding the known radiological item totals to any residual radiological contamination within components, equipment and structures within the facility.

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