II 116th CONGRESS 2d Session S. 3306 IN THE SENATE OF THE UNITED STATES February 13, 2020 Mr. Merkley (for himself, Mr. Graham , Ms. Collins , Mr. Sullivan , Mr. Coons , and Ms. Duckworth ) introduced the following bill; which was read twice and referred to the Committee on Environment and Public Works A BILL To establish a microplastics pilot program, and for other purposes.