** Work permits signed by ops today: 4157 (EY one-stop cables), 4158 (FW1 reconfigure SSD disks), 4159 (online detchar channel) ** LN2 delivery to CP3 (MY) ** Roofers moved a lot of material and equipment onto the Corner Station roof; also worked on the roof at MY ** Two DAQ re-starts, morning and afternoon ** A number of H1lsc CDS overflow alarms; I checked with Dave and disabled this alarm ** Lots of work at/near HAM1 today ** Usual Tuesday morning vendors on site ** EX spool clean room was cleaned this morning ** Cheryl worked in the EX TMS lab ** Dust monitor 9 continues to alarm in the white condition ** Lots of dust alarms at EX today as personnel were working in the VEA. 12-hour trend attached. ** LVEA has been in laser hazard all day and remains in laser hazard at 17:20 local.