You must develop and implement a security plan if you offer for transportation or transport the following types and quantities of hazardous materials:

• A highway route-controlled quantity of a Class 7 (radioactive) material;
• More than 25 kg (55 pounds) of a Division 1.1, 1.2, or 1.3 (explosive) material in a motor vehicle, rail car or freight container;
• More than 1 L (1.06 quarts) per package of a material extremely toxic by inhalation ( i.e., “material poisonous by inhalation,” that meets the criteria for “hazard zone A,);
• A shipment of a quantity of hazardous materials in a bulk packaging having a capacity equal to or greater than 13,248 L (3,500 gallons) for liquids or gases or more than 13.24 cubic meters (468 cubic feet) for solids;
• A shipment in other than a bulk packaging of 2,268 kg (5,000 pounds) gross weight or more of one class of hazardous materials for which placarding of a vehicle, rail car, or freight container is required for that class, under the provisions of subpart F of part 172;
• A select agent or toxin regulated by the Centers for Disease Control and Prevention under 42 CFR Part 73; or
• A quantity of hazardous material that requires placarding under provisions of subpart F of part 172 of the HMR.

An exception for farmers, who generate less than $500,000 annually in gross receipts from the sale of agricultural commodities or products, is given in 172.800(c). Additional guidance on hazardous materials security, including a comprehensive list of FAQs on security plan requirements, is available at the following Web site:

http://hazmat.dot.gov/riskmgmt/hmt/hmt_security.htm