Please remember that the labs will be closed tomorrow, 6 Sept. 07. Please remove all chemicals and materials from hoods, biosafety cabinets, and exhausted enclosures by 4:00 PM today (Wednesday, 5 Sept 07). Ultrapure water will also be unavailable all day on Thursday, 6 Sept. 07. Everything should reopen at 8:00 AM on Friday, 7 Sept. 07. Thank you for your patience. John John R. Weaver Facility Manager Birck Nanotechnology Center Purdue University (765) 494-5494 jrweaver@purdue.edu