Plan: Chemist's Backpack Mod

Plan: Chemist's backpack mod is a plan in the Fallout 76 Wastelanders update.

Locations
It can be bought from Mortimer for 350 gold bullion when the Friendly reputation is reached with the Raiders.

Unlocks
This plan unlocks crafting of the chemist's backpack mod that, once attached, can reduce the weight of all chems by 90%.