Clarksville Modification Center
Location
Clarksville, Tennessee

The Clarksville Modification Center was established in 1958 for the purpose of testing and modifying the components of nuclear weapons. The Center was located near Clarksville, TN, on a corner of the Ft. Campbell, KY, military reservation. Prior to 1958 some buildings were used by the AEC for storage. The Clarksville Modification Center was closed in September 1965 and its functions were transferred to Pantex and Burlington. In 1967 the AEC surrendered control of the area back to the Army.
Throughout the course of its operations, the potential for beryllium exposure existed at this site.
Alternative Names
- Mason and Hanger
- Clarksville Base
- The Birdcage
- Clarksville Facility
Type of Facility
- Department of Energy
Covered by EEOICPA
- Part B and Part E
EEOICPA Covered Years
- 1949-1967
Contractors
- 1958-1965 Mason & Hanger-Silas Mason
- 1949-1967 Sandia Corporation (storage)
DOE
DOL
- Tracking your DOL Claim Status
- Advisory Board on Toxic Substances and Worker Health
- Ombudsman’s Office
- Resource Center
- DOL Case and Claim Statistics
- Site Exposure Matrix
- Approved Special Exposure Cohorts
- Circular 12-17: Clarksville Modification Center, Ft. Campbell Special Exposure Cohort Class (SEC) from August 1, 1949 through December 31, 1967
NIOSH
- Tracking your NIOSH Case Status
- Advisory Board on Radiation and Worker Health
- NIOSH Case Statistics
- Special Exposure Cohort Status Table
- Petition 202: “All employees of the Department of Energy, its predecessor agencies, and their contractors and subcontractors who worked at the Clarksville Modification Center, Ft. Campbell, in Clarksville, Tennessee, from August 1, 1949, through December 31, 1967, for a number of work days aggregating at least 250 work days, occurring either solely under this employment, or in combination with work days within the parameters established for one or more other classes of employees included in the Special Exposure Cohort.”
- Work Site Information
Other Resources
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