This regulation establishes tolerances for residues of pyridaben [2-tert-butyl-5-(4-tert-butylbenzylthio)-4-choropyridazin- 3(2H)-one] in or on citrus; citrus pulp, dried; citrus oil; apple; apple pomace, wet; pear; tree nuts; almond hulls; pistachio; peach (and nectarine); plum; prune; grape; and cranberry. Time-limited tolerances are established for residues of pyridaben on apricot and cherry (sweet and tart) which will expire and are revoked on June 30, 2004. This regulation also establishes tolerances for residues of pyridaben and its metabolites PB-7 and PB-9 in or on the following ruminant commodities: milk, and milk-by-product, fat, and meat of cattle, goat, hog, and sheep. BASF Corporation and the Interregional Research Project Number 4 (IR-4) requested these tolerances under the Federal Food, Drug, and Cosmetic Act, as amended by the Food Quality Protection Act (FQPA) of 1996.