Work permit (2011-4-11-3) was requested to vent SEBT1 upstream of TUDA chamber
and HERACLES to permit line-of-sight for alignment of TUDA chamber. Note that
Facility Coordinators are Lothar Buchmann/Pat Walden/Sky Sjue and Gordon Ball/Randy
for TUDA and HERACLES respectively. 

Wipe test was performed by Tom Davinson (PPE: respirator and gloves).
Samples checked by Fiona Holness RPG - check OK.