Hi SHMS Dipole cool down was started about 1230 today. It took an hour to get the supply cold. As of now 2:17 PM Dipole temp had dropped ~ 2 K from 85 K Contamination was 6 PPM rose briefly to 12 PPM and has dropped back to about 6 PPM Too early to get an hourly cooling rate. Dipole Shield is cooling Dipole Vacuum is improving Cheers Paul