WHAM6 ISI has been floated and is Balanced; but, the ISI is currently locked on lockers.  The counterweight payload has been as-built.  ISI Transfer Functions have NOT been run.  We were getting ready to run TFs but ground loops have been found and those are currently being dealt with.  SEI will unlock the ISI and check TFs when the ground loop checks/corrections have completed.  I wiped down the State0 surfaces.

A 1" witness optic has been installed on the +X+Y upright of the OMC--see photo.  The First Contact on the exposed surface will need to be removed.

A 4" wafer witness should be placed in a good/safe place--maybe see Sheila for an ideal location.  These Contamination Control tasks should be done at the latest moment possible before the doors are installed.