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LLNL Emergency Management Plan (EPlan) Rev 27 January 2022 78 Although NAWAS is a national system, the day-to-day operation is under the control of individual states. In California, it is known as the California Warning Alert System (CALWAS) and is operated by the California Governor’s Office of Emergency Services. LLNL is an official NAWAS/CALWAS station and the PFD’s CAS is the monitoring and communication point for NAWAS/CALWAS at LLNL. A national and state test is conducted daily on NAWAS/CALWAS and its operational status is checked and logged by the CAS. During an emergency warning alert, the California Governor’s Office of Emergency Services or the national center operator will announce which agencies, such as LLNL, are required to listen. The CAS operator then obtains the information directed at LLNL and notifies ACRECC. The CAS only notifies the California Governor’s Office of Emergency Services of LLNL emergency conditions via NAWAS/CALWAS if instructed by the IC, LEDO/ED, SDO, or PFD supervisor. 6.2.3 Other LLNL Communications Systems Communications requirements fall into three general categories: • Emergency instructions to onsite populations at LLNL • Initial notifications to members of the ERO • Operational communications between emergency response facilities (e.g., EOC, DOCs) and field response elements The following systems are utilized to satisfy these requirements: • Phone Systems: Telephones, Cell Phones, Satellite Phones, and Fax Machines • Electronic Systems: EVA, Computers, Email, AtHoc, and COPS • Radio Systems: 400 MHz trunk radio system, LLNL pager system, and Ham Radios (VERG) The dedicated EVA system is the primary tool used to notify Site 200 workers of expected protective actions and additional general information. Site 300 notifications are through the administrative building page system or via 400 MHz radio system. The LLNL trunk radio system through ACRECC provides for communication among emergency responders and from the incident scene to the IC and the Battalion Chief. The EOC has the capability of monitoring these radio communications. When the emergency response facilities are operational, communications between the EOC and the DOCs, including the JIC, will be made primarily via the COPS and Laboratory telephone system. VERG, portable cellular/satellite telephones, and handheld 400 MHz radios may be used as backup communications tools for inter-facility communications. Communications systems or networks are maintained in a state of readiness through scheduled operational tests. These tests and their periodicity, as well as communications issues identified during actual events, drills and exercise, are documented in After Action Review reports and tracked to resolution.