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The U.S. Nuclear Regulatory Commission is in the process of rescinding or revising guidance and policies posted on this webpage in accordance with Executive Order 14151 Ending Radical and Wasteful Government DEI Programs and Preferencing, and Executive Order 14168 Defending Women From Gender Ideology Extremism and Restoring Biological Truth to the Federal Government. In the interim, any previously issued diversity, equity, inclusion, or gender-related guidance on this webpage should be considered rescinded that is inconsistent with these Executive Orders.

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Non-Military Radium Site Owner Letters

This Web page lists letters sent to site owners associated with the NRC’s Non-Military Radium Program.

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Site State Docket Request(s) for Initial Site Visit
Or
Information on Gauges and Dials		 Results of Site Visit(s) Cleanup Plan Approval Closeout Letter
Aerodata Aircraft Instruments MI 030-39079 N/A N/A N/A 06/20/2018
Aerospace Innovations MI 030-38935 06/26/2017 10/24/2017 N/A N/A
AirZoo Aerospace and Science Museum MI 030-39139 N/A 07/05/2019 N/A 09/01/2021
Ansonia Electrical Company CT 030-38936 03/13/2017 06/28/2018 N/A N/A
Arrow Electric Company 1 CT 030-38937 10/06/2016
12/19/2016		 N/A N/A N/A
Arrow Electric Company 2 and 3 CT 030-38938
and
030-39019		 10/06/2016
12/19/2016
and
02/22/2017		 N/A
and
07/07/2017		 N/A N/A
Astro Instruments MI 030-39080 06/20/2018
02/15/2019
09/18/2019 		N/A N/A N/A
Battle Creek Sanitarium 1, 2, and 3 MI 030-38940, 030-38941,
and
030-38942		 10/06/2016 10/10/2017 N/A N/A
Benrus Clock Company CT 030-38943 10/06/2016 04/12/2017 09/25/2017 03/18/2019
Billings Army Navy 1 MT 030-38944 10/06/2016 N/A N/A N/A
Billings Army Navy 2 MT 030-38945 10/06/2016 N/A N/A N/A
Billings Army Navy 3 MT 030-38946 10/06/2016 N/A N/A N/A
Bryant Electric Company 1 and 3 CT 030-38947
and
030-38949		 10/06/2016 09/14/2017 N/A N/A
Bryant Electric Company 2 CT 030-38948 10/06/2016 09/18/2017 N/A N/A
Burton Aviation MI 030-38951 10/06/2016
02/02/2018 		N/A N/A N/A
Connecticut Dump Site CT 030-38952 10/06/2016 06/25/2019 N/A N/A
Detroit City Airport MI 030-39055 01/29/2018 11/01/2018 N/A N/A
Evansville Radium Institute IN 030-38954 10/06/2016 05/05/2017 N/A N/A
Hangermates LLC MI 030-38955 10/06/2016 07/07/2017 N/A N/A
Hart and Hegeman Manufacturing Company 1 CT 030-38956 10/06/2016
12/23/2016 		N/A N/A N/A
Hart and Hegeman Manufacturing Company 2 CT 030-39017 01/10/2017 09/18/2017 N/A N/A
Harvey-Hubbell CT 030-38957 10/06/2016 02/02/2018 N/A N/A
Indiana Radium Institute 1 IN 030-38958 10/06/2016 05/05/2017 N/A N/A
Indiana Radium Institute 2 IN 030-38959 10/06/2016 05/05/2017 N/A N/A
Indiana Radium Institute 3 IN 030-38983 10/06/2016 05/05/2017 N/A N/A
Indiana Radium Institute 4 IN 030-38950 10/06/2016 05/05/2017 N/A N/A
Indiana Radium Institute 5 IN 030-38967 10/06/2016 05/05/2017 N/A N/A
Indiana Radium Institute 6 IN 030-39054 N/A 12/19/2017 N/A N/A
Ingraham Clock Company 1 CT 030-38977 10/06/2016 09/11/2017
11/09/2018 		N/A N/A
Ingraham Clock Company 2 CT 030-38978 10/06/2016 03/13/2017 N/A N/A
Ingraham Clock Company 3 CT 030-38979 10/06/2016 03/13/2017 N/A N/A
Ingraham Clock Company 4 CT 030-38980 10/06/2016 03/13/2017 N/A N/A
Ingraham Clock Company 5 CT 030-38981 10/06/2016
12/20/2018 		N/A N/A N/A
Ingraham Clock Company 6 CT 030-39038 N/A 06/21/2017 N/A N/A
Lux Clock Company CT 030-38982 10/06/2016 04/04/2018 N/A N/A
Metro Aircraft Instruments 1 MI 030-38984 10/06/2016
01/23/2017 		N/A N/A N/A
Metro Aircraft Instruments 2 MI 030-38985 10/06/2016 06/07/2018 N/A N/A
Metro Aircraft Instruments 3 MI 030-38986 10/06/2016
01/23/2017 		N/A N/A N/A
Metro Aircraft Instruments 4 MI 030-38987 10/06/2016
01/23/2017 		N/A N/A N/A
Military Truck Salvage Yard AK 030-38976 10/06/2016 05/31/2018 N/A N/A
NC Servo Technology MI 030-39081 06/20/2018 03/06/2019 N/A N/A
New Haven Clock Company CT 030-38975 10/06/2016 04/25/2017 06/03/2019 TBD
Novelty Manufacturing Company MI 030-38974 10/06/2016 06/25/2018 N/A N/A
Precision Dial Company MI 030-38973 10/06/2016 07/07/2017 N/A N/A
Radium Dye Company MO 030-38972 10/06/2016 05/19/2017 N/A N/A
Sessions Clock Company 1 CT 030-38971 10/06/2016 08/16/2017 N/A N/A
Sessions Clock Company 2 CT 030-39005 12/19/2016 02/02/2018 N/A 11/19/2019
Seth Thomas Clock Company 1 CT 030-38970 10/06/2016 10/03/2017 TBD TBD
Seth Thomas Clock Company 2 CT 030-39094 07/02/2018
04/04/2019		 N/A N/A N/A
Seth Thomas Clock Company 3 CT 030-39095 07/02/2018 12/20/2018 N/A N/A
South Bend Watch Company IN 030-38969 10/06/2016 07/07/2017 N/A N/A
Sundog Electronics MI 030-39082 N/A N/A N/A 06/20/2018
Superior Instruments MI 030-39083 06/08/2018 N/A N/A 08/31/2018
USS Silversides MI 030-39143 N/A 04/05/2019 N/A N/A
War Dog Militaria MT 030-38968 10/06/2016 N/A N/A N/A
Waterbury Clock Company 2 CT 030-38965 10/06/2016 11/28/2017 N/A N/A
Waterbury Clock Company 1, 3, 4, 6, and 7 CT 030-38966,
030-38965,
030-38963,
030-38961,
and
030-38960		 10/06/2016 05/11/2017 08/03/2017
(1,3,4, and 6)
04/19/2019
(7)		 TBD
Waterbury Clock Company 5 CT 030-38962 10/06/2016 06/19/2017 N/A N/A
William L. Gilbert Clock Company CT 030-38939 10/06/2016 08/13/2018 N/A N/A
Yankee Aircraft Museum MI 030-39084 06/19/2018 N/A N/A 02/06/2019

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Page Last Reviewed/Updated Tuesday, March 04, 2025