Shelter in Place 1 : An instruction from emergency personnel to remain wherever you are currently located, generally used when there is air contamination
City of Chicago, Emergency Management & Communications (Alert Chicago - Emergency Preparedness), Glossary of Emergency Preparedness Terms, City Hall Chicago, Illinois, USA 2015. http://www.cityofchicago.org/city/en/depts/oem/sup p_info/alertrespond/glossary.html, (Emr Prep - Amer) {870}