Sites with Special Exposure Cohort (SEC) Status:
- De Soto Avenue Facility, 1959-1964 (Los Angeles County, California)
- Dow Chemical Company, 1957-1960 (Madison, Illinois) (a/k/a Consolidated Aluminum; Madison Site (Spectrulite); Spectrulite Consortium, Inc.)
- Downey Facility, 1948-1955 (Los Angeles County, California)
- Electro Metallurgical, 1942-1947 (Niagara Falls, New York) (a/k/a ElectroMet Corp.; Umetco Minerals Corp.; Union Carbide Corp.; Electro-Metallurgical Corp.)
- Feed Materials Production Center (FMPC), 1968-1978 (Fernald, Ohio) (a/k/a Fernald; Fernald Environmental Management Project (FEMP); FERMCO)
- General Atomics, 1960-1969 (La Jolla, California) (a/k/a Division of General Dynamics; GA; John Jay Hopkins Laboratory for Pure and Applied Science)
- General Electric Co., 1961-1970 (Evendale, Ohio)
- Grand Junction Operations Office, 1943-1975 (Grand Junction, Colorado)
- Hanford, 1943-1972 (Richland, Washington) (a/k/a Hanford Engineer Works (HEW))
- Harshaw Chemical Company, 1942-1949 (Cleveland, Ohio) (a/k/a Harshaw Filtrol Partners; Uranium Refinery)
- Hood Building, 1946-1963 (Cambridge, Massachusetts)
- Horizons, Inc., 1952-1956 (Cleveland, Ohio) (a/k/a Celcon Metals Co.; Lamotite, Inc.)
EEOICPA: SEC Sites