===Alpha/Beta: Andreas Piepke and DongMing Mei === * identify current and new technologies a. Range of sensitivities i.10-16 g/g to 10-18 g/g for 40K, 232Th, 238U, and others. b. Number of detectors i.One 100 kg liquid detector c. Distribution by depth i.At 4850-ft level d. Identify new existing and new technology i.Liquid scintillator/others? ===Radon: Henning Back === * What is the right mix of * Ventilation * Large area low radon rooms * LN purge boxes * New technologies * Low radon areas for radiation biology *