Report Accidents & Hazardous Conditions 1-800-746-1553 West Region comprises of the districts listed below. Vacant Regional Administrator Email: Phone: 303-231-5815 Denver Lakewood Vacaville Map of Enforcement Regions and Offices Resources Guidance for Preparing Workplaces for Coronavirus Report an Accident or Hazardous Condition Safety and Health Alerts Fatality Report Mine Data Retrieval System