LocationIowa Ordnance Plant

17571 DMC Highway 79

Middletown, IA 52638

Alternative Names

  • Burlington Ordnance Plant
  • Silas Mason Company
  • Mason & Hanger
  • Iowa Army Ammunition Plant

Type of Facility

  • Department of Energy

Covered by EEOICPA

  • Part B and Part E

EEOICPA Covered Years

  • 1947-1974

Contractors

  • Mason & Hanger-Silas Mason Company (1947-1974)

Army Corps of Engineers

DOE

DOL

NIOSH

  • Tracking your NIOSH Case Status
  • Advisory Board on Radiation and Worker Health
  • NIOSH Case Statistics
  • Special Exposure Cohort Status Table
    • Petitions 006, 007, 014, 015: "Employees of the Department of Energy (DOE) or DOE contractors or subcontractors employed by the Iowa Army Ammunition Plant, Line 1, during the period from March 1949 through 1974 and who were employed for a number of work days aggregating at least 250 work days either solely under this employment or in combination with work days within the parameters (excluding aggregate work day requirements) established for other classes of employees included in the SEC."
    • Petitions 006, 007, 014, 015: "
      Department of Energy (DOE) employees or DOE contractor or subcontractor employees who worked as radiographers from May 1948 to March 1949 in support of Line 1 operations at the Iowa Army Ammunition Plant and who were employed for a number of work days aggregating at least 250 work days either solely under this employment or in combination with work days within the parameters (excluding aggregate work day requirements) established for other classes of employees included in the SEC."
  • Work Site Information

Other Resources

Photo Credit: National Archives and Records Administration