The Preventive Maintenance shutdown for the LABORATORIES of BNC is complete and the building systems are operational. Normal laboratory operation may now resume, effective 3:55 PM on Thursday, October 09, 2008. The cleanroom preventive maintenance shutdown continues. It is hoped that the cleanroom will reopen mid-morning tomorrow. Thank you for your understanding and patience during this important preventive maintenance procedure. John John R. Weaver Facility Manager Birck Nanotechnology Center Purdue University (765) 494-5494 jrweaver@purdue.edu