Removed turbo control cable and foreline, minimized purge air flow out of pressure relief and turned off two clean rooms (North side of HAM5/HAM6. I also took an scan of the RGA while being pumped by its local 10 L/s ion pump for background subtraction purposes (2 x 10-9 Torr) but declined to expose the RGA to the relatively wet HAM6 volume.  HAM6 is still in the 10-6 Torr range.