This page of our Control guide contains a walkthrough for a side mission called What a Mess: Burn the Trash.
To begin the quest, pick it up from the board in Janitor's Office.
Walkthrough: Go to the Furnace Chamber room in Sector: Maintenance. There, you'll find a large furnace - your task is to locate the distinctive barrels with a green symbol. Grab them using telekinesis.
Go to the furnace and throw the barrels right into the fire. Repeat the trick a few times - the barrels are easily found.
As a reward, you will receive crafting materials, weapon modifications, and 2 skill points.