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§ 180.1142 1,4-Dimethylnaphthalene; exemption from the requirement of a tolerance.
An exemption from the requirement of a tolerance is established for the residues of the plant growth regulator, 1,4-dimethylnaphthalene (1,4-DMN), when applied postharvest to all sprouting root, tuber, and bulb crops in accordance with good agricultural practices.