EPA is revoking certain tolerances for the herbicides propanil, triallate, and MCPA. EPA is modifying certain tolerances for the herbicides propanil, phenmedipham, triallate, and MCPA. In addition, EPA is establishing tolerances for the herbicides propanil, phenmedipham, triallate, and MCPA. The regulatory actions in this document are part of the Agency's reregistration program under the Federal Food, Drug, and Cosmetic Act (FFDCA) section 408(q), as amended by the Food Quality Protection Act (FQPA) of 1996.