Home / Hospital Disaster Preparedness Hospital Disaster Preparedness What are the six critical areas of emergency response according to The Joint Commission (TJC)? Communication (EM.02.02.01) Resources and assets (EM.02.02.03) Safety and security (EM.02.02.05) Staff responsibilities (EM.02.02.07) Utilities management (EM.02.02.09) Patient clinical and support activities (EM.02.02.11)