X-end air <-54C when measured with purge line decoupled and 1psig air blowing out from VE into the room, i.e. OK now -> began pumping X-end.

Pumped YBM+Y1 with YBM MTP for ~2 1/2 hours to partially remove ~3 weeks of accumulated H2 from CP3, Y1 and CP1 -> Vented YBM, removed all but (4) bolts from BSC8 south door.