This document revokes certain tolerances for residues found for methyl parathion and for ethyl parathion. The regulatory actions specified in this document are part of the Agency's reregistration program under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), and the tolerance reassessment requirements of the Federal Food, Drug, and Cosmetic Act (FFDCA). By law, EPA is required to reassess 66% of the tolerances in existence on August 2, 1996, by August 2002, or about 6,400 tolerances. These tolerances will be counted among reassessments made toward the August 2002 review deadline of FFDCA section 408(q), as amended by the Food Quality Protection Act (FQPA) of 1996. The regulatory actions in this document pertain to the revocation of 66 tolerances which are counted among tolerance/exemption reassessments made toward the August 2002 review deadline.