Recognizing and Evaluating Unexpected Conditions

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Type:  Lessons Learned

Publisher:  Washington Closure Hanford, Richland, WA

Published As:  Public


Topics:  Chemical Safety, Engineering, Work Management/Planning, Heavy Equipment, Deactivation and Decommissioning

Four days after a spray-on fixative (CC Fix LV) had been applied to a contaminated room, workers entered the room to remove plastic coverings and perform radiological surveys. After being in the room for about six minutes, the workers experienced headaches from the residual odor. The workers exited the room and were examined by medical staff. They were released without work restrictions.

Lessons Learned: When there are indications of the potential for an unexpected condition, perform a proper hazard evaluation prior to beginning the work activity. In addition, when indicators exist for exposure to unexpected condition, perform area exposure assessment in a timely manner as soon as possible following the potential exposure.

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