prov:value
| - (1) Any substance or mixture of substances (including solvents and impurities) intended to prevent, destroy, or repel, or mitigate any insect, rodent, nematode, fungus, weed, or other form of plant or animal life or virus, and (2) any substance or mixture of substances (including solvents and impurities) intended for use as a plant regulator, defoliant, or desiccant, as defined in the Federal Inse
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