Attached are plots of dust counts > .5 microns in particles per cubic foot.

The dust monitor that was under the clean room over HAM 3 (LVEA location 15) has been moved outside of the clean room. I do not know when this happened.

The dust monitor in the clean room over HAM 4 (LVEA location 1) is near the edge of the clean room on the floor. I think it is probably reading counts from outside of the clean room.