{"data":{"id":"us/40-cfr-180.500","jurisdiction":"us","citation":"40 CFR 180.500","heading":"Imazapyr; tolerances for residues.","body":"(a) General. Tolerances are established for residues of the herbicide, imazapyr, including its metabolites and degradates, in or on the commodities in the following table. Compliance with the tolerance levels specified in the following table is to be determined by measuring only the residues of imazapyr [2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-3-pyridinecarboxylic acid].\nTable 1 to Paragraph (a)\nCommodity Parts per million\nCattle, fat 0.05\nCattle, kidney 0.3\nCattle, meat 0.05\nCattle, meat byproducts, except kidney 0.05\nCorn, field, forage 0.05\nCorn, field, grain 0.05\nCorn, field, stover 0.05\nFish 1.0\nGoat, fat 0.05\nGoat, kidney 0.3\nGoat, meat 0.05\nGoats, meat byproducts, except kidney 0.05\nGrass, forage 100\nGrass, hay 30\nHorse, fat 0.05\nHorse, kidney 0.3\nHorse, meat 0.05\nHorse, meat byproducts, except kidney 0.05\nLentil 1 0.2\nMilk 0.01\nRapeseed subgroup 20A 1 0.05\nRice, bran 1 0.15\nRice, grain 1 0.06\nSheep, fat 0.05\nSheep, kidney 0.3\nSheep, meat 0.05\nSheep, meat byproducts, except kidney 0.05\nShellfish 0.10\nSoybean, meal 1 4.5\nSoybean, seed 1 4.0\nSunflower subgroup 20B 1 0.05\n1 There are no U.S. registrations as of August 24, 2023.\n(b) Section 18 emergency exemptions. [Reserved]\n(c) Tolerances with regional registrations. [Reserved]\n(d) Indirect or inadvertent residues. [Reserved]","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER E—PESTICIDE PROGRAMS","PART 180—TOLERANCES AND EXEMPTIONS FOR PESTICIDE CHEMICAL RESIDUES IN FOOD","Subpart C—Specific Tolerances"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"933a297b5e2767646869d4a94058e1ce5e173f2938259b5b76b83d578c2878ec","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-180.499","next":"us/40-cfr-180.501"},"notice":"GroundRules: Original legal text. Not legal advice."}