Toxin. The toxic material or product of plants, animals, microorganisms (including, but not limited to, bacteria, viruses, fungi, or protozoa), or infectious substances, or a recombinant or synthesized molecule, whatever their origin and method of production, and includes:
(1) Any poisonous substance or biological product that may be engineered as a result of biotechnology produced by a living organism; or
(2) Any poisonous isomer or biological product, homolog, or derivative of such a substance.


9 CFR § 121.1

Scoping language

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