II 118th CONGRESS 1st Session S. 2728 IN THE SENATE OF THE UNITED STATES September 6, 2023 Mr. Merkley (for himself, Mr. Padilla , Ms. Duckworth , Mr. Whitehouse , Mr. Blumenthal , Mr. Van Hollen , Mr. Fetterman , Mr. Heinrich , Mrs. Feinstein , Mr. Sanders , Mr. Wyden , and Ms. Warren ) introduced the following bill; which was read twice and referred to the Committee on Energy and Natural Resources A BILL To encourage reduction of disposable plastic products in units of the National Park System, and for other purposes.