Operators Exposed to Halon in Reactor Control Room
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Type:  Lessons Learned

Publisher:  Idaho National Laboratory, Idaho Falls, ID

Published As:  Public

Date: 

Topics:  Occupational Safety and Health, Operations

The Advanced Test Reactor was manually shut down due to a fire in a relay cabinet. Reactor control room staff unsuccessfully attempted to put out the fire by de-energizing the cabinet and using a dry chemical fire extinguisher. Control room staff then scrammed the reactor and manually activated the Halon fire suppression system. Reactor control room staff remained in the control room during and following actuation of the Halon fire suppression system to ensure the safe shutdown condition of the reactor.

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