Start from the "Active Threshold" control point in Research and descend towards "The Pit", then kill the Mold Hosts and back out to the main menu and continue to make them respawn.
I don't really expect people to spend time in the post game of Control, farming for mods, but here's one way to do it.
I'm still obsessed with this game three days after beating it, so I thought I might as well make this video.
