Low Condition - Green Low risk of terrorist attacks. The following Protective Measures may be applied: Refining and exercising preplanned Protective Measures Ensuring personnel receive training on HSAS, departmental, or agency-specific Protective Measures; and Regularly assessing facilities for vulnerabilities and taking measures to reduce them. Guarded Condition - Blue General risk of terrorist attack. In addition to the previously outlined Protective Measures, the following may be applied: Checking communications with designated emergency response or command locations; Reviewing and updating emergency response procedures; and Providing the public with necessary information. Elevated Condition - Yellow Significant risk of terrorist attacks. In addition to the previously outlined Protective Measures, the following may be applied: Increasing surveillance of critical locations; Coordinating emergency plans with nearby jurisdictions; Assessing further refinement of Protective Measures within the context of the current threat information; and Implementing, as appropriate, contingency and emergency response plans. High Condition - Orange Orange High risk of terrorist attacks. In addition to the previously outlined Protective Measures, the following may be applied: Coordinating necessary security efforts with armed forces or law enforcement agencies; Taking additional precaution at public events; Preparing to work at an alternate site or with a dispersed workforce; and Restricting access to essential personnel only. Severe Condition - Red Severe risk of terrorist attacks. In addition to the previously outlined Protective Measures, the following may be applied: Assigning emergency response personnel and pre-positioning specially trained teams; Monitoring, redirecting or constraining transportation systems; Closing public and government facilities; and Increasing or redirecting personnel to address critical emergency needs.