California Government Code Section 3100-3109 states (in part) in protection of its citizens and resources, all public employees are hereby declared to be disaster service workers
After an emergency, you may be asked to continue your regular duties, report to an emergency operations center or support various response and recovery efforts. Some tasks may include supporting an emergency hotline, setting up or staffing a shelter or donation center, staffing barricades or administrative duties. If you cannot make it to your normal place of work, you may be asked to report to a local site as a disaster service worker.
As a disaster service worker, it is your responsibility to make sure you and your family are prepared for an emergency. Please assure you have a plan and supplies in place.
Emergency work may not be during your normal work hours or at your normal work location.