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Nuclear Event – Offsite Notification (Tritium contamination): Duane Arnold Energy Center, Iowa


Duane Arnold Energy Center (nuclear), Palo, Iowa

Duane Arnold Energy Center, Palo, Iowa. Image: Corn Belt Power Cooperative

North America – USA | State of Iowa, Duane Arnold Energy Center [Unit 1]
Location: 42°06’02.0″N 91°46’38.0″W
Present Operational Age: ~42 years

Nuclear Event in USA on Tuesday, 12 April, 2016 at 12:35 [CDT].


“On April 12, at 1235 CDT, Duane Arnold Energy Center contacted officials with the State of Iowa (Bureau of Radiological Health and Department of Natural Resources) and Linn County Public Health Department in accordance with the nuclear industry voluntary reporting criteria contained in NEI 07-07 ‘Industry Ground Water Protection Initiative’. The site contacted the agencies as courtesy to notify them about the identification of low levels of tritium found within the site’s protected area from a potential new source. Samples were taken, and no regulatory limits were exceeded. The site team is working with industry experts on pinpointing the cause and installing an extraction well to remediate the situation.

“This report is being made in accordance with 10 CFR 50.72(b)(2)(xi), as a result of notification to offsite agencies.

“The Licensee has notified the NRC Resident Inspectors.

“There is no risk to plant employees, the public or drinking water.”

Source: NRC  Event Number: 51863

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