On Wednesday, May 17-18 8 pm – 12 am Facilities Technicians will be performing preventive maintenance on the air handling and exhaust systems for the 4th and 5th floor. During this time occupants may experience a slight rise in temperatures in the common space areas. To ensure safety all BSL3 labs on the 4th floor will be out of service and NO BSL3 work shall occur during the outage.