EHS operates an in-house emergency response service, which remediates incidents involving hazardous chemicals, biological agents and radioactive materials. EHS also operates in conjunction with UAPD in response to potential terrorist threats involving agents and hazardous materials. In the event of an emergency contact EHS at 348-5905. Our office hours are from 8:00 AM to 4:45 PM, after hours; contact UAPD at 348-5454. When contacting EHS or UAPD, provide information including location of the emergency and a brief description of the situation.