The Washington County Board of Supervisors will hold their regular meeting and discuss an urban renewal area, dust control, and a new ambulance service contract Tuesday. A proposed amendment to the Washington Downtown Urban Renewal Area in downtown Washington will be discussed. Discussion and potential ation on 2019 dust control in the county will be considered. Also, the board will discuss the use of ECICOG, or East Central Iowa Council of Governments, for assistance in preparing a request for proposal for a new ambulance service contract. The meeting begins at 9 a.m. Tuesday at the Washington County Courthouse.