Each facility that offers for transportation in commerce a threshold quantity of one or more of the hazardous materials delineated in the chart below must develop and adhere to a hazardous materials transportation security plan.
|Division 1.1, 1.2, and 1.3||Explosives||Any Quantity|
|Division 1.4, 1.5, and 1.6||Explosives||Any Quantity Requiring Placarding|
|Division 2.1||Flammable Gases||Large Bulk Quantity|
|Division 2.2||Nonflammable Gases||Large Bulk Quantity with Subsidiary Hazard of Division 5.1 Oxidizer|
|Division 2.3||Poisonous Inhalation Hazard (PIH)||Any Quantity|
|Class 3 and Division 4.1||Desensitized Explosives||454 kg (1,001 pounds) or Greater in a Single Transport Vehicle or Freight Container|
|Class 3||Flammable Liquids||Large Bulk Quantity in Packing Group I or II|
|Division 4.2||Spontaneously Combustible||Large Bulk Quantity in Packing Group I or II|
|Division 4.3||Dangerous When Wet||Any Quantity|
|Division 5.1||Oxidizers||Large Bulk Quantity in Packing Groups I and II|
|Division 5.2||Organic Peroxides||Any Quantity of Organic Peroxide, Type B, Liquid or Solid, Temperature Controlled|
|Division 6.1||Poisonous Materials Other than PIH||Large Bulk Quantity in Packing Groups I, II, and III|
|Class 8||Corrosive Materials||Large Bulk Quantity in Packing Group I|
|Class 9||Miscellaneous Hazardous Materials||Not Subject|
Note that a “large bulk quantity” is any quantity greater than 3,000 kg (6,614 pounds) for solids or 3,000 liters (792 gallons) for liquids and gases in a single packaging such as a cargo tank motor vehicle, portable tank, tank car, or other bulk container.