[slightly messy drawing of this (http://pics.livejournal.com/high_prosecutor/pic/00009a0d) map, with the chemical closet, storage facilities, pharmacy, medical library, and upper left laboratories labeled. Nothing else is labeled, though the wall lines are drawn.
Second floor. It's best not to travel alone, though. Some of those places can get nasty.
[usual anon]
Second floor. It's best not to travel alone, though. Some of those places can get nasty.