PDF Placarding Requirements - Pipeline and Hazardous Materials Safety ... 8701 South Gessner Road Suite 900 Houston, TX 77074 Phone: 832-370-9812 Michael.l.roberts@dot.gov Objectives DETERMINE proper PLACARDING requirements for non bulk and bulk shipments. IDENTIFY special PLACARDING provisions. IDENTIFY some critical PLACARDING exceptions. 3 Why Placard? Hazard Communication Response Mitigation