Sprague came on site near noon to fog the X enclosure. Pablo worked in the H2 LVEA enclosure through ~2:00 PM. Corey and Justin worked on transmon at X end. Cyrus visited the outbuildings during the afternoon for CDS work. Dust alarms: ** The monitors in the OSB bake lab and vac prep area went off regularly with 0.3um values in the low hundreds ** The beer garden monitor went off several times in the late morning and early afternoon. Apollo and cleaning personnel were sometimes but not always visible in the vicinity. ** Near 2:00 PM the EY monitor alarmed with counts of ~60,000 (3um) and 9,000 (5um). ** The diode room alarmed three times in the early afternoon in the hundreds (3um). ** Monitor 16 near HAM6 went in and out of white all morning, alarming each time.