The Laboratory Response Network for Chemical Threats (LRN-C) is a national network of local and state public health laboratories that respond to chemical terrorism and other public health emergencies in the United States. CDC partners with the LRN-C to maintain specialized capabilities for analyzing human exposures to chemical threat agents, e.g., toxic metals and industrial chemicals. Established in 1999, the LRN-C has been ensuring laboratory preparedness and response capability for 20 years. 1999 • 5 state public health labs • CDC testing sites for laboratory counterterrorism measures 2019 • 54 Labs in 50 states, 3 cities and 1 territory • Local testing capacity for a wide range of public health chemical emergencies lrnc_banner-medium.png

Stephen B. Thacker CDC Library collection