The Department of Transportation (DOT) mandates that Hazmat Placards be used when transporting hazardous materials and dangerous goods in the United States.
These DOT Placards and Hazardous Materials Placards have numbers on them noting specific chemicals or groups of chemicals being transported. Clearly marking trucks as carrying hazardous materials with hazmat placards ensures the proper and safe transportation of such cargo.
Synthetic materialmade from ethylene (found in crude oil) and chlorine (found in regular salt). When processed, both the substances are combined to form Polyvinyl Chloride (PVC) resin, or as is commonly referred to as vinyl