Of the subject matter -- Testimony. Johnson, Hon. Carl T., administrator, Pipelines and Hazardous Materials Safety Administration, U.S. Department of Transportation, accompanied by Stacey L. Gerard, assistant administrator -- Sammon, John, assistant administrator for Transportation, Sector Network Management, Transportation Security Administration, U.S. Department of Homeland Security -- Scovel, III, Hon. Calvin L., Inspector General, U.S. Department of Transportation -- Prepared statements submitted by members of Congress. Brown, Hon. Corrine, of Florida -- Costello, Hon. Jerry F., of Illinois -- Cummings, Hon. Elijah E., of Maryland -- Larsen, Hon. Rick, of Washington -- Oberstar, Hon. James L., of Minnesota -- Prepared statements submitted by witnesses. Johnson, Carl T. -- Sammon, John -- Scovel, III, Hon. Calvin L.

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