40 CFR §180.437

1. (a)General. Tolerances are established for residues of the herbicide imazamethabenz-methyl, including its metabolites and degradates, in or on the commodities in the table in this paragraph. Compliance with the tolerance levels specified in this paragraph is to be determined by measuring only imazamethabenz-methyl (methyl 2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-4-methylbenzoate) or (methyl 2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-5-methylbenzoate), as the sum of its para- and meta-isomers in or on the commodity.
2. (b)Section 18 emergency exemptions. [Reserved]
3. (c)Tolerances with regional registrations. [Reserved]
4. (d)Indirect or inadvertent residues. [Reserved]