Cyrus working on paging system Filiberto extended the dust monitor power and RS485 lines near the new H2 PSL enclosure. Fire department well testing Electrical inspector on site Ski working on air handler system Activities listed on the white board: LVEA: PSL diode / chiller room SUS / SEI test squeezer / H1 restore triage clean storage welding setup ICC @ HAM 7,8 HEPI Welding HAM 9 EX: BSC 5 set, pier set MY: oplev test EY: ICC @ BSC 6 RGA @ BSC 10 Transmon assy HEPI Station Run Plots of > .5 micron dust counts attached. Note relatively high levels at location 7 (near previous location of H2 electronic racks). The dust monitor at location 1 in the LVEA (ISCT 4) has dropped out. There are also some drop outs in the data for the counts in the LVEA from when Filiberto was working on the system.