II 116th CONGRESS 1st Session S. 2469 IN THE SENATE OF THE UNITED STATES September 12, 2019 Mr. Udall (for himself, Mr. Carper , Mr. Booker , Mrs. Feinstein , Ms. Harris , Mr. Van Hollen , Mr. Markey , Mr. Whitehouse , Ms. Klobuchar , Mr. Merkley , Mr. Blumenthal , and Mrs. Gillibrand ) introduced the following bill; which was read twice and referred to the Committee on Commerce, Science, and Transportation A BILL To amend title 49, United States Code, to require the use of advanced leak detection technology for pipelines, and for other purposes.