Hazardous Material

Hazardous Material is a miscellaneous quest in Fallout 4.

Quick walkthrough
Fred will ask the player character to retrieve a HalluciGen gas canister from HalluciGen, Inc.. The building is inhabited by Gunners and the gas cannister is to be found in the basement. The Sole Survivor can persuade Fred to give more than the original 200 caps for the work.