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Event Notification Report for March 01, 2017

U.S. Nuclear Regulatory Commission
Operations Center

EVENT REPORTS FOR
02/28/2017 - 03/01/2017

EVENT NUMBERS
52585

Power Reactor
Event Number: 52585
Facility: COOK
Region: 3     State: MI
Unit: [1] [] []
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: BRENT SNYDER
HQ OPS Officer: JEFF ROTTON
Notification Date: 03/01/2017
Notification Time: 15:18 [ET]
Event Date: 03/01/2017
Event Time: 13:03 [EST]
Last Update Date: 03/01/2017
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(xi) - OFFSITE NOTIFICATION
Person (Organization):
MARK JEFFERS (R3DO)
Power Reactor Unit Info
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
NOTIFICATION OF OFFSITE AGENCIES DUE TO SULFURIC ACID LEAK WITHIN THE D.C. COOK PROTECTED AREA

"At 1303 EDT on March 1, 2017, DC Cook notified the State of Michigan of a sulfuric acid tank leaking over 1,000 gallons of acid into the tank's berm. The leak was identified at approximately 1000 EDT coming from a drain line flange. The berm is designed to contain over 15,000 gallons which is sufficient to collect the known capacity of the tank. Cleanup of the sulfuric acid from the berm is ongoing, with no release to the environment or nearby drains."

"This notification is being made in accordance with 10 CFR 50.72(b)(2)(xi) due to notification of offsite agencies."

"The NRC Resident Inspector was notified."