Which system is utilized to alert first responders to potential hazardous materials incidents?

Answer: B — Emergency Notification Systems

Emergency Notification Systems are designed to alert first responders to potential hazardous materials incidents by providing immediate notifications about dangers in their vicinity. These systems often leverage various communication methods, such as phone alerts, text messages, and sirens, to disseminate crucial information quickly. This enables first responders to prepare for and respond appropriately to hazardous situations. By integrating advanced technology and real-time data, Emergency Notification Systems ensure that first responders receive timely updates about the nature of the incident, including the type of hazardous materials involved and any necessary safety precautions. This level of preparedness is vital for effective and safe responses in emergency situations, particularly involving hazardous materials. Other options, while related to emergency communications, do not specifically address the focused function of alerting first responders about hazardous materials incidents. Public Warning Systems generally target the general public for widespread alerts, Hazard Alert Systems may refer to specific localized alerts but do not exclusively cater to first responders, and Responder Information Networks focus more on information sharing rather than immediate alerts.