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Marowski's Chem Lab is an location in the Commonwealth in Fallout 4 on the top of The Four Leaf Fishpacking Plant.


The main area of the chem lab contains three rooms; an entry room with a broken terminal, a main lab area directly ahead, and a small room to the left with beds. One enemy is posted behind the terminal, the other two are in the main lab area. All enemies are immediately hostile. The entry room and the main lab area both contain Chemistry stations. Various containers contain a handful of Chems.

The main lab room contains a maglocked door with a control Terminal which does not require a password. The terminal unlocks the door, leading to the Four Leaf Fishpacking Plant.

Notable loot

  • 4 hazmat suits can be taken from the chem lab workers when killed.


  • Despite being labelled a "Chem Lab" there are no chem crafting ingredients in the lab.
  • Perhaps as a consequence of leveled loot lists, the actual "loot" in the lab, other than the hazmat suits, is rather paltry.
  • Although Trish labels this place to have more loot than what she has in her shipments it appears to have significantly less.


Marowski's Chem Lab only appears in Fallout 4.

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