Dani, Filiberto, Grant, Keita, Patrick The particle counts in the LVEA were unusually high today, including at ISCT4, where they should be zero. We went out to investigate ISCT4 and found that the HEPA filters were not running due to an undetermined electrical fault at the outlet. The power strip has been connected to another socket for the time being, and the counts have returned to zero. The .5 micron counts in ISCT4 are recorded in channel H0:PEM-LVEA_DST1_5 on the attached plot.