A Self- reactive material (Division 4.1) that is not identified by technical name in the Self Reactive Materials Table in § 173.224(b) of the Hazardous Materials Regulations (HMR) must be approved in writing by the Associate Administrator in accordance with the requirements of § 173.124(a) (2) (iii).

An Organic Peroxide material (Division 5.2) that is not identified by a technical name in any of the Organic Peroxide Tables found in § 173.225 of the HMR must be approved in writing by the Associate Administrator in accordance with the requirements of § 173.128(d).

An applicant for Self Reactive Materials or Organic Peroxide is subject to the provisions of 49CFR § 107.701 Subpart H-Approvals, Registrations and Submissions. The person must file the application by one of the methods listed below:

online approvals link

email: approvals@dot.gov.

fax: 202 366-3753

Associate Administrator
Hazardous Materials Safety Administration
PHMSA
U.S. DOT
1200 New Jersey Ave., SE
Washington, DC 20590