EPA is revoking certain tolerances for the insecticide endosulfan; the fungicides fenarimol, imazalil, and ziram; and the herbicide trifluralin. Also, EPA is modifying certain tolerances for the insecticide endosulfan, the fungicides fenarimol and imazalil, and the herbicides sodium acifluorfen and trifluralin. EPA is not modifying tolerances for ziram. In addition, EPA is establishing new tolerances for the insecticide endosulfan, the fungicides fenarimol and imazalil, and the herbicides oryzalin and trifluralin. The regulatory actions in this document are part of the Agency's reregistration program under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA).