Medina Modification Center Information

The Medina Modification Center was established in 1958 for component testing, modification, repairs, and refinements. It operated until the early spring of 1966, at which point its functions were transferred to Burlington and Pantex.

Throughout the course of its operations, the potential for beryllium exposure existed at this site.

Type of Facility

• Department of Energy

Covered by EEOICPA

• Part B and Part E

EEOICPA Covered Years

• 1958-1966

Contractors

• 1958-1966 Mason and Hanger-Silas Mason

Did work for:

• Burlington
• Pantex

DOE

• DOE Facility List by Name

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 12-18: Medina Modification Center Special Exposure Cohort Class (SEC) from January 1, 1958 through December 31, 1966

NIOSH

• FAQs About Your Case
• Advisory Board on Radiation and Worker Health
• NIOSH Case Statistics
• Special Exposure Cohort Status Table
  • Petition 203: “All employees of the Department of Energy, its predecessor agencies, and their contractors and subcontractors who worked at the Medina Modification Center in San Antonio, Texas, from January 1, 1958, through December 31, 1966, 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 in the Special Exposure Cohort.”
• Work Site Information