The document provides context and an excerpt from the Standard Operating Procedures of the Umatilla Joint Information System and Joint Information Center (UJIS/UJIC), which coordinated emergency public information for jurisdictions near the Umatilla Chemical Depot in Oregon, where chemical weapons were stored; it includes a two-page procedure for monitoring social media and addressing issues, as the UJIS/UJIC was designed to rapidly provide information to the public in the event of a chemical incident at the Depot.