Both east and west make up air handling systems are currently shut down due to low temperature freeze protection tripping them off. We have negative pressure in the atrium space increasing difficulty opening doors. We have trades responding to the issue. Until future notice all general research labs (listed below) will be closed with no fume hood or hazardous processes. 1031 1039 1043 1045 1069 1077 1081 1083 1089 1089A 1100A 1153 1157 1217 1227 1233 1235 1237 1239 1261 1261A 1263 1265 1267 1269 1273 2031 2037 2043 2069 2077 2081 2087 2087A 2087B I will send an update once we understand what happened. Mark Voorhis Building Manager Purdue University Birck Nanotechnology Center Office: (765) 494-3036