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LLNL Emergency Plan Rev-23 October 2017 74 6.2.2 Communications with Offsite Agencies The primary communications system for official initial offsite notification is the Emergency Programs Organization’s emergency information notification system (AtHoc). This is a web- based digital communications system. Once the EOC is operational, telefax is the primary means of offsite notification and the Emergency Programs Organization’s emergency information notification system becomes the back-up. The National Warning System (NAWAS) is the special purpose telephone system that provides the capability for selective dissemination of warnings and emergency information nationwide, within FEMA Regional areas, within National Weather Service regional forecast areas, and within state-wide areas. The primary National Warning Center is the FEMA Operations Center located at the Mt. Weather Emergency Assistance Center in Berryville, Virginia. 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, 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: Computers, Email, Emergency Programs Organization emergency information notification system (AtHoc), TxtWire, and WebEOC • 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.