Homepage of the Pipeline and Hazardous Materials Safety Administration (PHMSA) Office of Hazardous Materials Safety (OHM) for the Department of Transportation (DOT). The OHM formulates, issues and revises Hazardous Materials Regulations (HMR) under the Federal Hazardous Materials Transportation Law. The HMR cover hazardous materials definitions and classifications, hazard communications, shipper and carrier operations, training and security requirements, and packaging and container specifications.
Homepage of the Pipeline and Hazardous Materials Safety Administration (PHMSA) Office of Hazardous Materials Special Permits and Approvals (OHMSPA) for the Department of Transportation (DOT). Primary responsibility for the issuance of DOT Special Permits (previously known as DOT Exemptions) and Approvals to the Hazardous Materials Regulations (HMR).
Do you need to contact the Office of Hazardous Materials Special Permits and Approvals (OHMSPA)? Find the address and phone numbers for contacting the divisions of Special Permits or Approvals.
Need a quick-reference chart that shows the organizational structure of the Office of Hazardous Materials Safety with contact information for key personnel? Download this PDF chart available through the Office of Hazardous Materials Safety (http://www.phmsa.dot.gov/hazmat/about/org).
Do you need to contact the Office of Hazardous Materials Special Permits and Approvals (OHMSPA)? Find the address and phone numbers for contacting the divisions of Special Permits or Approvals.
