Experiment logs J-32

 is a paper note that can be found and obtained within the Commonwealth, in Fallout 4.

Location

 * Experiment Log J-32, Day 1: on a wooden crate
 * Experiment Log J-32, Day 6: on a wooden crate
 * Experiment Log J-32, Day 14: on a different wooden crate
 * Experiment Log J-32, Day 21: on the floor next to the end-of-dungeon steamer trunk