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Pending Hazardous Materials (Hazmat) Interpretations

Pending interpretation letters that are under review by the Office of Hazardous Materials Safety are shown in the table below. To view the interpretation request document, click "View" for the corresponding interpretation. To submit comments on an interpretation under review, click the "Submit Comment" link for the corresponding interpretation. Finally, comment submissions will be accepted for 30 days after the pending interpretation letter is posted.

 
Reference # Requestor Request
Letter		 Comment
Submission
Deadline		 Submit
Comments
25-0120 Southwest Airlines Co. View 10/8/25 Submit Comment
25-0121 ICP View 10/8/25 Submit Comment
25-0123 Southeast Consulting and Analysis View 10/15/25 Submit Comment
25-0124 The Whitaker Company View 10/22/25 Submit Comment
25-0125 Hartford Steam Boiler
Inspection and Insurance Company		 View 10/22/25 Submit Comment
25-0126 GSI Training Services, Inc. View 10/24/25 Submit Comment
Last updated: Tuesday, September 30, 2025