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Event Notification Report for February 28, 2018

U.S. Nuclear Regulatory Commission Operations Center Event Reports For 02/27/2018 - 02/28/2018 ** EVENT NUMBERS ** 53230 Power Reactor Event Number: 53230 Facility: COOK Region: 3 State: MI Unit: [1] [ ] [ ] RX Type: [1] W-4-LP,[2] W-4-LP NRC Notified By: PERRY GRAHAM HQ OPS Officer: DAN LIVERMORE Notification Date: 02/27/2018 Notification Time: 01:15 [ET] Event Date: 02/26/2018 Event Time: 22:47 [EST] Last Update Date: 02/27/2018 Emergency Class: NON EMERGENCY 10 CFR Section: 50.72(b)(3)(xii) - OFFSITE MEDICAL Person (Organization): MICHAEL KUNOWSKI (R3DO) Unit SCRAM Code RX CRIT Initial PWR Initial RX Mode Current PWR Current RX Mode 1 N Y 100 Power Operation 100 Power Operation Event Text POTENTIALLY CONTAMINATED WORKER TRANSPORTED TO OFFSITE MEDICAL FACILITY "At 2247 Eastern [Standard] Time the Unit 1 Control Room was notified of a personnel injury in the Unit 1 lower containment. Unit 1 is currently in Mode 1 at 100 [percent] [Reactor] Power and the individual was working in lower containment. The individual's injury appears to be Heat Exhaustion. Site emergency medical technicians responded to the scene and the individual was transported to a local medical facility via ambulance. At the time of transport, the individual was considered to be potentially contaminated because complete surveys could not be performed while the individual was immobilized for transfer. The individual and clothing were surveyed at the hospital by a resident Radiation Protection Technician and no contamination was found. "This report is being made pursuant to 10 CFR 50.72(b)(3)(xii), 'Any event requiring the transport of a radioactively contaminated person to an offsite medical facility for treatment.' "The NRC Resident Inspector has been notified."

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