NOTICE: CLEANROOM: The cleanroom will be shut down on Tuesday, January 7, 2014, from 7:00 am to 4:00 pm. No one is allowed in the cleanroom during this period. HAZARDOUS GASES: No hazardous gases will be available in the building during this period. BIOCLEANROOM: No exhaust will be available in the biocleanroom. Non-chemical activities may be carried out. GENERAL LABORATORIES: General laboratories will operate as normal, but no hazardous gases will be available. Please plan your activities accordingly. This shutdown is due to the tie-in of the acid and solvent exhaust systems for the new laboratories. Thank you for your cooperation and understanding during this necessary procedure. John Weaver John R. Weaver Facility Manager Birck Nanotechnology Center 1205 West State Street West Lafayette IN 47907 (765) 494-5494 jrweaver@purdue.edu<mailto:jrweaver@purdue.edu> nano.purdue.edu