<HTML> <HEAD> <TITLE>BRK LAB UPDATE: West Lab Wing SHUT DOWN, per Mark Voorhis</TITLE> </HEAD> <BODY> Shut down of West Lab Wing for PM We are planning to complete a needed six-month preventative maintenance of the west lab wing chemical exhaust and air makeup systems for ~3.5 hours, if not issues arise.     The shut down of the west lab wing chemical exhaust and makeup air units are scheduled for June 12 starting at 5:30AM, to be completed by 9:00AM.  Shutting these systems down will increase the temperature in all the west labs.  Therefore, temperature sensitive equipment will need to be idled.     Since west lab wing chemical exhaust system will be down, all chemicals will need to be removed from the fume hoods by 4:00PM on June 11.  All process tools using chemical exhaust will be shut down during the PM time as well.   Please contact MARK VOORHIS should you have any questions or concerns (43036; mvoorhis@purdue.edu). </BODY> </HTML>