; and (2) regarding how the Secretary of Health and Human Services will designate employees, or classes of employees, described in paragraph (1) as members of the Toxic Special Exposure Cohort established under subsection (a)(1), which shall include a requirement that the Secretary shall make initial determinations regarding such designations. (c) Report to Congress (1) In general Not later than 180 days after the date of enactment of the Toxic Exposure Safety Act of 2020 , the Secretary of Health and Human Services shall submit to the relevant committees of Congress a report that identifies each of the following: (A) A list of cancers and other illnesses associated with toxic substances that pose, or posed, a hazard in the work environment at any Department of Energy facility. (B) The minimum duration of work required to qualify for the Toxic Special Exposure Cohort established under subsection (a)(1). (C) The class of employees that are designated as members in the Toxic Special Exposure Cohort. (2) Relevant committees of Congress defined In this subsection, the term relevant committees of Congress means— (A) the Committee on Armed Services, Committee on Appropriations, Committee on Energy and Natural Resources, and the Committee on Health, Education, Labor, and Pensions of the Senate; and (B) the Committee on Armed Services, Committee on Appropriations, Committee on Energy and Commerce, and the Committee on Education and Labor of the House of Representatives. . (c) Allowing subtitle B claims for eligible employees who are members of the Toxic Special Exposure Cohort Section 3621(1) of the Energy Employees Occupational Illness Compensation Program Act of 2000 ( 42 U.S.C. 7384l(1) ) is amended by adding at the end the following: (D) A Department of Energy employee or atomic weapons employee who— (i) has contracted a covered illness (as defined in section 3671)