Several drain pipes in the ceiling above the NMR instruments will be replaced in Dec/Jan. The instruments AVIII 400 (NMR-Saffron) and AVIII 600 (NMRSage) will not be available during the work the week of Dec 28th. The data processing computer will also not be available. Please plan accordingly. There are several testicles in the facility during this repair, so please do not enter the facility during this time.