; (2) $350,000,000, to be available until September 30, 2023, shall be to carry out Brownfields projects authorized by section 104(k) of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980: Provided , That the Administrator may reserve up to 3.5 percent of the funds appropriated herein for administrative, management, and oversight purposes: Provided further , That none of the funds appropriated herein shall be subject to cost share requirements under section 104(k)(9)(B)(iii) of such Act: Provided further , That not less than 50 percent of funds appropriated herein shall be for projects located in Qualified Opportunity Zones; (3) $450,000,000, to be available until September 30, 2023, shall be for grants pursuant to title VII, subtitle G of the Energy Policy Act of 2005: Provided , That none of the funds appropriated for grants herein shall be subject to the State Grant and Loan Program Matching Incentive provisions of section 793(c)(3) of such Act: Provided further That the Administrator may reserve up to 3.5 percent of the funds appropriated herein for administrative, management, and oversight purposes; (4) $50,000,000, to be available until September 30, 2023, shall be for grants under section 1464(d) under the Safe Drinking Water Act ( 42 U.S.C. 300j–24(d) )