Rocky Flats Special Exposure Cohort Act - Amends the Energy Employees Occupational Illness Compensation Program Act of 2000 to provide compensation (for beryllium- and radiation-related health conditions) for employees of the Department of Energy (DOE) or of a DOE contractor employed for an aggregate number of at least 250 work days before January 1, 2006, at the Rocky Flats (nuclear weapons production and testing) site in Colorado.