Unplugged an unused extension cord (maybe two).
Turned off a power strip that a computer was plugged into. The computer appeared off but I wanted to make sure.
The left door on the left table enclosure behind the black laser safe curtains near the H1 PSL is unlocked. I did not have a key with me to lock it.
Went through the PSL science mode check list hanging next to the air handling controls for the H1 PSL enclosure. Did nothing for the H2 PSL enclosure.
Was not certain of the procedure for checking ISC table fans. Did not hear humming.
The pump near BSC8 is still running. There is a tall ladder against BSC8.
Made sure both card readers were off.