Office Home Office Home Remarks and Releases HomeBureaus & Offices > Bureau of Arms Control, Deterrence, and Stability ...Office of Chemical and Biological Weapons Affairs hide Office of Chemical and Biological Weapons Affairs Our Mission The Office of Chemical and Biological Weapons Affairs (CBW) leads the Department's efforts to promote the global ban on chemical weapons as embodied in the Chemical Weapons Convention (CWC), develops policies to address emerging chemical weapons issues and challenges, assesses compliance with the CWC and the Biological Weapons Convention (BWC), and serves as the U.S. National Authority overseeing U.S. implementation of the CWC. Key Topics Chemical Forensics International Technical Working Group Chemical Forensics International Technical Working Group The Chemical Forensics International Technical Working Group (CFITWG) was established by the Department of State to address gaps in chemical forensic science and capabilities through an international partnership of experts from science, policy, academic, law enforcement, and export-control organizations. Read More >> Chemical Forensics International Technical Working Group