; and (B) does not satisfy the definition of lead-free established under section 1417 of the Safe Drinking Water Act ( 42 U.S.C. 300g–6 ). (4) Public housing The term public housing has the meaning given such term in section 3(b) of the United States Housing Act of 1937 ( 42 U.S.C. 1437a(b) ). (5) Secretary The term Secretary means the Secretary of Housing and Urban Development. (e) Regulations The Secretary, after consultation with the Administrator of the Environmental Protection Administration, may issue any regulations necessary to carry out this section. (f) Authorization of appropriations There is authorized to be appropriated for grants under subsection (b)— (1) $90,000,000 for fiscal year 2021; (2) $80,000,000 for fiscal year 2022; and (3) $80,000,000 for fiscal year 2023.