{"data":{"id":"us/40-cfr-180.473","jurisdiction":"us","citation":"40 CFR 180.473","heading":"Glufosinate; tolerances for residues.","body":"(a) General. (1) Tolerances are established for residues of glufosinate, including its metabolites and degradates, in or on the commodities in table 1 to paragraph (a)(1). Compliance with the tolerance levels specified in table 1 to paragraph (a)(1) is to be determined by measuring the sum of glufosinate (2-amino-4-(hydroxymethylphosphinyl)butanoic acid) and its metabolites, 2-(acetylamino)-4-(hydroxymethyl phosphinyl) butanoic acid, and 3-(hydroxymethylphosphinyl) propanoic acid, expressed as 2-amino-4-(hydroxymethylphosphinyl)butanoic acid equivalents.\nTable 1 to Paragraph (a)(1)\nCommodity Parts per million\nAlmond, hulls 0.50\nBeet, sugar, molasses 5.0\nBeet, sugar, roots 0.9\nBeet, sugar, tops (leaves) 1.5\nBushberry subgroup 13-07B 0.15\nCanola, meal 1.1\nCattle, fat 0.40\nCattle, meat 0.15\nCattle, meat byproducts 6.0\nCorn, field forage 4.0\nCorn, field, grain 0.20\nCorn, field, stover 6.0\nCorn, sweet, forage 1.5\nCorn, sweet, kernels plus cob with husks removed 0.30\nCorn, sweet, stover 6.0\nCotton, gin byproducts 30\nCottonseed subgroup 20C 15\nEgg 0.15\nFig, dried 0.15\nFruit, citrus, group 10-10 0.15\nFruit, pome, group 11-10 0.25\nFruit, small, vine climbing, except fuzzy kiwifruit, subgroup 13-07F 0.05\nFruit, stone, group 12-12 0.30\nGoat, fat 0.40\nGoat, meat 0.15\nGoat, meat byproducts 6.0\nGrain aspirated fractions 25\nHog, fat 0.40\nHog, meat 0.15\nHog, meat byproducts 6.0\nHop, dried cones 0.9\nHorse, fat 0.40\nHorse, meat 0.15\nHorse, meat byproducts 6.0\nMelon subgroup 9A 0.08\nMilk 0.15\nNut, tree, group 14-12 0.50\nPepper/eggplant subgroup 8-10B 0.15\nPotato, chips 1.6\nPotato granules/flakes 2.0\nPoultry, fat 0.15\nPoultry, meat 0.15\nPoultry, meat byproducts 0.60\nRapeseed subgroup 20A 0.4\nRice, grain 1 0.9\nRice, grain 2 1.0\nRice, hull 2 2.0\nSheep, fat 0.40\nSheep, meat 0.15\nSheep, meat byproducts 6.0\nSoybean 2.0\nSoybean, hulls 10\nSquash/cucumber subgroup 9B 0.15\nTea, dried 1 0.5\nTea, instant 1 0.09\nTea, plucked leaves 1 0.05\nTomato, paste 0.15\nTomato subgroup 8-10A 0.1\nTropical and subtropical, medium to large fruit, edible peel, subgroup 23B 0.1\nTropical and subtropical, medium to large fruit, smooth, inedible peel, subgroup 24B 0.2\nTropical and subtropical, small fruit, edible peel, subgroup 23A 0.5\nTropical and subtropical, small fruit, inedible peel, subgroup 24A 0.1\nVegetable, tuberous and corm, subgroup 1C 0.8\n1 There are no U.S. registrations as of November 20, 2025.\n2 This tolerance expires on May 20, 2026.\n(2) Tolerances are established for residues of glufosinate-P, including its metabolites and degradates, in or on the commodities in table 2 to paragraph (a)(2), as a result of applications of glufosinate-P or glufosinate-P-ammonium to those commodities. Compliance with the tolerance levels specified in table 2 to paragraph (a)(2) is to be determined by measuring the sum of glufosinate (2-amino-4-(hydroxymethylphosphinyl) butanoic acid) and its metabolites, 2-(acetylamino)-4-(hydroxymethyl phosphinyl) butanoic acid, and 3-(hydroxymethylphosphinyl) propanoic acid, expressed as 2-amino-4-(hydroxymethylphosphinyl)butanoic acid equivalents.\nTable 2 to Paragraph (a)(2)\nCommodity Parts per million\nCanola, meal 1.1\nCattle, fat 0.4\nCattle, meat 0.15\nCattle, meat byproducts 6\nCorn, field, forage 4\nCorn, field, grain 0.2\nCorn, field, stover 6\nCorn, sweet, forage 1.5\nCorn, sweet, kernels plus cob with husks removed 0.3\nCorn, sweet, stover 6\nCotton, gin byproducts 30\nCottonseed, subgroup 20C 15\nEgg 0.15\nGoat, fat 0.4\nGoat, meat 0.15\nGoat, meat byproducts 6\nGrain, aspirated fractions 25\nHog, fat 0.4\nHog, meat 0.15\nHog, meat byproducts 6\nHorse, fat 0.4\nHorse, meat 0.15\nHorse, meat byproducts 6\nMilk 0.15\nPoultry, fat 0.15\nPoultry, meat 0.15\nPoultry, meat byproducts 0.6\nRapeseed, subgroup 20A 0.4\nSheep, fat 0.4\nSheep, meat 0.15\nSheep, meat byproducts 6\nSoybean 2\nSoybean, hulls 10\n(b) [Reserved]\n(c) Tolerances with regional registrations. Tolerances with regional registrations are established for residues of glufosinate, including its metabolites and degradates, in or on the commodities in table 3 to paragraph (c). Compliance with the tolerance levels specified in table 3 to paragraph (c) is to be determined by measuring the sum of glufosinate, (2-amino-4-(hydroxymethylphosphinyl)butanoic acid) and its metabolites, 2-(acetylamino)-4-(hydroxymethyl phosphinyl) butanoic acid, and 3-(hydroxymethylphosphinyl) propanoic acid, expressed as 2-amino-4-(hydroxymethylphosphinyl)butanoic acid equivalents.\nTable 3 to Paragraph (c)\nCommodity Parts per million\nGrass, forage 0.15\nGrass, hay 0.2\n(d) Indirect or inadvertent residues. (1) Tolerances are established for indirect or inadvertent residues of glufosinate, including its metabolites and degradates, in or on the commodities in table 4 to paragraph (d)(1), as a result of the application of glufosinate to crops listed in paragraph (a) of this section. Compliance with the tolerance levels specified in table 4 to paragraph (d)(1) is to be determined by measuring the sum of glufosinate (2-amino-4-(hydroxymethylphosphinyl) butanoic acid) and its metabolite, 3-(hydroxymethylphosphinyl) propanoic acid, expressed as 2-amino-4-(hydroxymethylphosphinyl)butanoic acid equivalents.\nTable 4 to Paragraph (d)(1)\nCommodity Parts per million\nBarley, hay 0.40\nBarley, straw 0.40\nBuckwheat, fodder 0.40\nBuckwheat, forage 0.40\nOat, forage 0.40\nOat, hay 0.40\nOat, straw 0.40\nRye, forage 0.40\nRye, straw 0.40\nTeosinte 0.40\nTriticale 0.40\nWheat, forage 0.40\nWheat, hay 0.40\nWheat, straw 0.40\n(2) Tolerances are established for indirect or inadvertent residues of glufosinate-P, including its metabolites and degradates, in or on the commodities in table 5 to paragraph (d)(2), as a result of the application of glufosinate-P or glufosinate-P-ammonium to crops listed in paragraph (a)(2) of this section. Compliance with the tolerance levels specified in table 5 to paragraph (d)(2) is to be determined by measuring the sum of glufosinate (2-amino-4-(hydroxymethylphosphinyl) butanoic acid) and its metabolite, 3-(hydroxymethylphosphinyl) propanoic acid, expressed as 2-amino-4-(hydroxymethylphosphinyl)butanoic acid equivalents.”\nTable 5 to Paragraph (d)(2)\nCommodity Parts per million\nBarley, hay 0.4\nBarley, straw 0.4\nBuckwheat, fodder 0.4\nBuckwheat, forage 0.4\nOat, forage 0.4\nOat, hay 0.4\nOat, straw 0.4\nRye, forage 0.4\nRye, straw 0.4\nTeosinte 0.4\nTriticale 0.4\nWheat, forage 0.4\nWheat, hay 0.4\nWheat, straw 0.4","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":"c6ea661ebe5494e8ba2b9e05cc96be3e07bde3889099e96a85d3d3a334cd3511","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-180.472","next":"us/40-cfr-180.474"},"notice":"GroundRules: Original legal text. Not legal advice."}