On March 25th from 4 am to 2 pm there will be an exhaust outage for floors 2, 3, 5, and 9 of the McDonnell Medical sciences building. Along with this outage Air handler 10 will be off as well for upgrades, feeding the south side of the 7th floor. In this time frame there will be no exhaust flow to floors 2, 3, 5, and 9 fume hoods only and limited to no supply air to the south side of the 7th floor.