• 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?

• What is the right mix of
  • Ventilation
  • Large area low radon rooms
  • LN purge boxes
• New technologies
• Low radon areas for radiation biology