Which item refers to suspicious orders for chemicals used in explosives or biological materials?

• A. Important Dates for Terrorists
• B. Devices for Dispersing Agents
• C. Chemical Precursors
• D. Federal Response Plan (FRP)

Answer: (C)

Suspicious orders for chemicals used in explosives or biological materials are described by the term chemical precursors. These are the chemicals that can serve as building blocks to create weapons, so controls focus on identifying and reporting unusual or suspicious requests for these substances to prevent their diversion into illicit uses. The other options don’t fit because they don’t refer to the supply-chain controls around chemicals that could be weaponized: important dates for terrorists isn’t a recognized regulatory term, devices for dispersing agents refers to equipment rather than supply-order screening, and the Federal Response Plan covers how agencies respond to emergencies rather than how chemicals are regulated to prevent misuse.