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 |
|---|---|---|---|---|
| 25-0048 | Administration Strategic Preparedness and Response (ASPR) | View | 6/6/2025 | Submit Comment |
| 25-0049 | Boost Oxygen , LLC | View | 6/6/2025 | Submit Comment |
| 25-0050 | Fleener Consulting LLC | View | 6/6/2025 | Submit Comment |
| 25--0051 | Iowa State Patrol | View | 6/6/2025 | Submit Comment |
| 25--0052 | DHL Global Forwarding | View | 6/6/2025 | Submit Comment |
| 25-0054 | BASF | View | 6/6/2025 | Submit Comment |
| 25-0055 | Commercial Vehicle Safety Alliance (CVSA) | View | 6/6/2025 | Submit Comment |
| 25-0056 | Commercial Vehicle Safety Alliance (CVSA) | View | 6/6/2025 | Submit Comment |
| 25-0057 | Commercial Vehicle Safety Alliance (CVSA) | View | 6/6/2025 | Submit Comment |
| 25-0058 | Invinity Energy Systems | View | 6/6/2025 | Submit Comment |
| 25-0059 | Currie Associates | View | 6/6/2025 | Submit Comment |
| 25-0060 | GREIF | View | 6/6/2025 | Submit Comment |
| 25-0061 | Ohio Public Utilities Commission | View | 6/6/2025 | Submit Comment |
| 25-0063 | Transportation Development Group, LLC | View | 6/6/2025 | Submit Comment |
| 25-0064 | University of Michigan | View | 6/15/25 | Submit Comment |
| 25-0065 | Karmanterra LLC | View | 6/15/25 | Submit Comment |
| 25-0066 | The Hartford Steam Boiler Inspection and Insurance Co. |
View | 6/15/25 | Submit Comment |
| 25-0067 | gChem | View | 6/15/25 | Submit Comment |
Last updated: Tuesday, May 20, 2025