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[a] [1] [2] The system describes the classification of explosives, divisions within that class that describe the type of hazard they present and compatibility groups that identify the specific type of explosive substance, and what articles are compatible for transport and storage.
The U.S. government now uses the United Nations explosives shipping classification system, which is based on hazard in shipping only, while the old US system also covered use hazards. The BATFE and most states performed a direct substitution of Shipping Class 1.3 for Class B , and Shipping Class 1.4 for Class C .
Explosive Dangerous Goods have compatibility group letters assigned to facilitate segregation during transport. The letters used range from A to S excluding the letters I, M, O, P, Q and R. The example above shows an explosive with a compatibility group "A" (shown as 1.1A).
X: Indicates that explosives of different compatibility groups may not be carried on the same transport vehicle. 1: An explosive from compatibility group L shall only be carried on the same transport vehicle with an identical explosive. 2: Any combination of explosives from compatibility groups C, D, or E is assigned to compatibility group E.
Division 4.1: Flammable Solid . Flammable solids are any of the following four types of materials: Desensitized Explosives: explosives that, when dry, are Explosives of Class 1 other than those of compatibility group A, which are wetted with sufficient water, alcohol, or plasticizer to suppress explosive properties; and are specifically authorized by name either in the 49CFR 172.101 Table or ...
The federal government has jurisdiction over air, most marine, and most rail transport. The federal government acting centrally created the federal Transportation of Dangerous Goods Act and regulations, which provinces adopted in whole or in part via provincial transportation of dangerous goods legislation. The result is that all provinces use ...
ATF also enforces provisions of the Safe Explosives Act, passed after 9/11 to restrict the use/possession of explosives without a federal license to use them. ATF is considered to be the leading federal agency in most bombings that occur within the U.S., with exception to bombings related to international terrorism (investigated by the FBI).
Tovex is a 50/50 aqueous solution of ammonium nitrate and methylammonium nitrate (sometimes also called monomethylamine nitrate, or PR-M), sensitized fuels, and other ingredients including sodium nitrate prills, finely divided (paint-grade) aluminum, finely divided coal, proprietary materials to make some grades cap sensitive, and thickening agents to enhance water resistance and to act as ...