Food safety issues : hearings before the Subcommittee on Department Operations, Research, and Foreign Agriculture of the Committee on Agriculture, House of Representatives, One Hundred Second Congress, second session, February 19, 1992, minor-use pesticides, integrated pest management, and biological pesticides; February 26, 1992, risk assessment for establishing pesticide residue tolerance; March 4, 1992, preemption of local authority under the Federal Insecticide, Fungicide, and Rodenticide Act; March 11, 1992, USDA pesticide programs.