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Due to a lapse in appropriations, the NRC has ceased normal operations. However, excepted and exempted activities necessary to maintain critical health and safety functions—as well as essential progress on designated critical activities, including those specified in Executive Order 14300—will continue, consistent with the OMB-Approved NRC Lapse Plan.

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Connecticut: Agreement State Information

On September 30, 2025, Connecticut became an Agreement State (see the Connecticut Application Agreement Process).

The NRC's Regional Office in King of Prussia (Region I) is responsible for carrying out the Agency's duties in Connecticut.  No fuel cycle facilities are located in Connecticut.

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Regulatory Contacts for Connecticut

State Regulatory Contacts

Non-Agreement State Director

State Liaison Officer

Jeffrey Semancik, Director
Radiation Division
Connecticut Dept. of Energy and Environmental Protection
79 Elm Street
Hartford, CT 06106
PH (860)424-4190 FX (860)424-4065
jeffrey.semancik@ct.gov

Jeffrey Semancik, Director
Radiation Division
Connecticut Dept. of Energy and Environmental Protection
79 Elm Street
Hartford, CT 06106
PH (860)424-4190 FX (860)424-4065
jeffrey.semancik@ct.gov

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Radiographer Certification Contacts and Status for Connecticut

TBD

Connecticut Regulations

Status of State Regulations - SRS Data Sheet

 

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Individuals To Receive Advance Notification of Radioactive Material and Nuclear Material Shipments

Individuals To Receive Advance Notification of Radioactive Material and Nuclear Material Shipments

Material Category

Individual to be Notified

Part 37
Part 71
Part 73

Jeffrey Semancik, Director
Connecticut Department of Energy and Environmental Protection
Radiation Division
79 Elm Street
Hartford, CT 06106-5127
Phone: (860) 424-4190
Mobile: 860) 597-3628
Fax: (860) 706-5339
24-hour phone: (860) 424-3333
E-mail: Jeffrey.Semancik@ct.gov

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Regulatory Reviews of the Connecticut State Program

NRC Review Letters

Year

NRC Review Letters

2025

06/18/25

2024

12/23/24 09/10/24

2023

08/23/23 02/27/23 01/25/23

2022

09/14/22 

2021

3/17/21 1/22/21

Page Last Reviewed/Updated Monday, September 29, 2025

Related Information

Page Last Reviewed/Updated Monday, September 29, 2025