Conduct a hazmat review before the DOT comes calling: make sure your supply chain is in compliance with the PHMSA's requirements.(Hazmat)(Department of Transportation)(Pipeline and Hazardous Materials Safety Administration)

Are the DOT's hazmat security plan requirements being enforced?
Ye regional inspectors of the U Department of Transportation's Pipeline & Hazardous Materials Safety Administration (PHMSA), during their routine inspections of hazmat shipper and carrier facilities handling placarded loads of hazardous materials, are investigating each site's compliance with applicable hazmat security plan exhibition implementation and training.
Each inspector has a checklist of items that should be included in a DOT hazmat security plan, taken directly from the phrasing of 49