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Toxin Due Diligence

Permissible Toxin Amounts

The following select agent toxins are exempt from federal registration and regulations if the amount under the control of a Principal Investigator (PI) does not exceed, at any time, the amounts indicated in the table below.

HHS Toxins [42 CFR Part73.3(d)(3)   Amount
 Abrin       1,000 mg
 Botulinum neurontoxins       1 mg
Short, paralytic alpha conotoxins       100 mg
Diacetoxyscirpenol (DAS)       10,000 mg
Ricin       1,000 mg
Saxiton       500 mg
Staphylococcal Enterotoxins (Subtypes A, B, C, D, and E)       100 mg
T-2 Toxin       10,000 mg
Tetrodotoxin       500 mg

Toxin Due Diligence Requirements

All OSU PIs in possession of the select agent toxins listed above must maintain a record of all transfers of these toxins outside of their laboratory (i.e., institution name, address, telephone number, and email address). This documentation must include the following:

Name and contact information of the recipient;

Toxin name and quantity transferred; and

Knowledge of recipient’s legitimate need (i.e., prophylactic, protective, bona fide research etc...) to handle or use the toxin.


Reporting Suspected Violations or Suspicious Activity

If an OSU PI detects a known or suspected violation of Federal law or becomes aware of suspicious activity related to a select agent toxin, he or she must immediately notify the OSU Responsible Official or an Alternate Responsible Official using the contact information below. These individuals will then contact the Federal Select Agent Program. 


Vice President for Research

Kenneth Sewell, Ph.D. Vice President for Research | Responsible Official203 Whitehurst HallOffice:
Biosafety Office

contact information...

Ashleigh Hall Assistant Biological Safety Officer | Alternate Responsible Official


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