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Self-Reactive Materials and Organic Peroxides FAQ

Q1. Where can I find information on applying for a Self-Reactive Materials and Organic Peroxides Approval?

A1. Information regarding a Self-Reactive Materials and Organic Peroxides Approval information can be found here.

Q2. Can I apply for an approval online?

A2. Yes, the applicant can apply via the PHMSA Portal.

Q3. How will I know if my application has been received?

A3. Once a completed application is submitted, the applicant will receive a ten (10) digit tracking number for the specific application.

Q4. How can I check the status of my application?

A4. Completed applications may be tracked using the provided tracking number within the Approvals Search Database.

Q5. How long does an EX Approval application typically take to process?

A5. Review of an application may take up to 120 days.

Q6. How will I know the decision of my application submission?

A6. After an evaluation of the application, based on compliance with the Hazardous Materials Regulations (HMR) the applicant will be notified by email of the decision rendered.

Q7. What if I have additional questions?

A7. Please see below for additional resources:

The Hazardous Materials Information Center:

PHMSA Energetic Materials Branch at

PHMSA Approvals Website

FAQ - Mergers Acquisitions and Legal Status Changes

Last updated: Monday, October 18, 2021