10/05/2026 | Press release | Archived content
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The Department of Homeland Security Science and Technology Directorate has released the Master Question List (MQL) for Novichoks, also known as Fourth Generation Agents. This MQL summarizes research and scientifically vetted information on the chemical and physical properties, routes of exposure, medical treatments, personal protective equipment, detection methods, decontamination, environmental degradation, and the hazards Novichoks pose in operational settings.