From 5 pm on 9/15 to 12 am on 9/16, Air Handling Unit 2 will be shut down to support a contractor’s duct-cleaning work in the 469 suite. This shutdown will affect the North side of the 4th and 5th floors, including the BSL 3 Laboratory, room 562. During this time, the affected areas will have no airflow, heating, or cooling. Additionally, Negative pressure will be maintained in the BSL-3; however, no work shall be accomplished inside the BSL- 3.