Section 180.1342 - d-Limonene; exemption from the requirement of a tolerance(a) An exemption from the requirement of a tolerance is established for residues of d-limonene, (4R)-1-methyl-4-(1-methylethenyl)cyclohexene, in or on all food commodities when applied as an herbicide in accordance with good agricultural practices.(b) An exemption from the requirement of a tolerance is established for residues of d-limonene, (4R)-1-methyl-4-(1-methylethenyl)cyclohexene, in or on all food commodities when applied as an insecticide in kitchens and pantries. 88 FR 46086 , July 19, 2023