Permissible Toxin Amounts

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The following toxins are not regulated if the amount under the control of the principal investigator, treating physician or veterinarian, or commercial manufacturer or distributor does not exceed, at any time, the aggregate toxin limit specified in the HHS select agent and toxin regulations [42 CFR 73.3(d)(7), or the amounts indicated in the table below.

HHS Toxins [§73.3(d)(7)]

HHS Toxins [§73.3(d)(7)]

HHS Toxins [§73.3(d)(7)]

Amount

Amount

Amount

Abrin

HHS Toxins [§73.3(d)(7)]

Abrin

1000 mg

Amount

1000 mg

Botulinum neurotoxins

HHS Toxins [§73.3(d)(7)]

Botulinum neurotoxins

1 mg

Amount

1 mg

Short, paralytic alpha conotoxins

HHS Toxins [§73.3(d)(7)]

Short, paralytic alpha conotoxins

100 mg

Amount

100 mg

Diacetoxyscirpenol (DAS)

HHS Toxins [§73.3(d)(7)]

Diacetoxyscirpenol (DAS)

10,000 mg

Amount

10,000 mg

Ricin

HHS Toxins [§73.3(d)(7)]

Ricin

1000 mg

Amount

1000 mg

Saxitoxin

HHS Toxins [§73.3(d)(7)]

Saxitoxin

500 mg

Amount

500 mg

Staphylococcal Enterotoxins (Subtypes A, B, C, D, and E)

HHS Toxins [§73.3(d)(7)]

Staphylococcal Enterotoxins (Subtypes A, B, C, D, and E)

100 mg

Amount

100 mg

T-2 toxin

HHS Toxins [§73.3(d)(7)]

T-2 toxin

10,000 mg

Amount

10,000 mg

Tetrodotoxin

HHS Toxins [§73.3(d)(7)]

Tetrodotoxin

500 mg

Amount

500 mg