Attached are plots of dust counts > .3 microns and > .5 microns in particles per cubic foot from approximately 6 PM Nov. 25 to 6 PM Nov. 26. Also attached are plots of the modes to show when they were running/acquiring data.

The sensor may be failing on the dust monitor at location 2 in end Y. The local status was recorded in alarm a number of times today. It is not currently alarmed.