NHSRC Video Please copy the Web address to your media player to view this video stream. Securing Buildings Workshop: Session 1 Introduction, Dispersion, and Transport of Chemical and Biological Agents. Session One of the Securing Buildings Against Chemical and Biological Agents Workshop. Securing Buildings Workshop: Session 2, Part 1 HVAC System Selection for High/Low Value Buildings. Session Two of the Securing Buildings Against Chemical and Biological Agents Workshop. Part 1 of 2. Securing Buildings Workshop: Session 2, Part 2 HVAC System Selection for High/Low Value Buildings. Session Two of the Securing Buildings Against Chemical and Biological Agents Workshop. Part 2 of 2. Securing Buildings Workshop: Session 3, Part 1 Ventilation, Filtration, and UVGI: Control Strategies for Reducing Contaminant Exposure in Indoor Air Applications Module. Session Three of the Securing Buildings Against Chemical and Biological Agents Workshop. Part 1 of 4. Securing Buildings Workshop: Session 3, Part 2 Ventilation, Filtration, and UVGI: Control Strategies for Reducing Contaminant Exposure in Indoor Air Applications Module. Session Three of the Securing Buildings Against Chemical and Biological Agents Workshop. Part 2 of 4. Securing Buildings Workshop: Session 3, Part 3 Ventilation, Filtration, and UVGI: Control Strategies for Reducing Contaminant Exposure in Indoor Air Applications Module. Session Three of the Securing Buildings Against Chemical and Biological Agents Workshop. Part 3 of 4. Securing Buildings Workshop: Session 3, Part 4 Ventilation, Filtration, and UVGI: Control Strategies for Reducing Contaminant Exposure in Indoor Air Applications Module. Session Three of the Securing Buildings Against Chemical and Biological Agents Workshop. Part 4 of 4. Securing Buildings Workshop: Session 4, Part 1 Construction Law. Session Four of the Securing Buildings Against Chemical and Biological Agents Workshop. Part 1 of 2. Securing Buildings Workshop: Session 4, Part 2 Construction Law. Session Four of the Securing Buildings Against Chemical and Biological Agents Workshop. Part 2 of 2. Securing Buildings Workshop: Session 5, Part 1 The Threat of BioTerrorism - Know Your Building. Session Five of the Securing Buildings Against Chemical and Biological Agents Workshop. Part 1 of 2. Securing Buildings Workshop: Session 5, Part 2 The Threat of BioTerrorism - Know Your Building. Session Five of the Securing Buildings Against Chemical and Biological Agents Workshop. Part 2 of 2. Securing Buildings Workshop: Session 6 Risk Management - A Guide to Mitigate Potential CBA Terrorist Attacks Against Buildings. Session Six of the Securing Buildings Against Chemical and Biological Agents Workshop. Securing Buildings Workshop: Session 7 Panel Discussion: Session Seven of the Securing Buildings Against Chemical and Biological Agents Workshop. Message Mapping Message mapping is a science-based risk communication tool that enables members of the responder and environmental protection communities to quickly and concisely deliver the most pertinent information about an emergency.