Survey revisions for federal wage grade employees : hearing before the Subcommittee on Employee Political Rights and Intergovernmental Programs of the Committee on Post Office and Civil Service, House of Representatives, Ninety-fourth Congress, second session on H.R. 12540, a bill to amend Title 5, United States Code, to make certain revisions with respect to the surveys used to establish pay for prevailing rate employees in federal agencies and nonappropriated fund instrumentalities, and for other purposes, hearing held in New York, N.Y., July 19, 1976.