With easier access to hq chems, more people would go to necropolis to actually craft drugs, which would make it far more dangerous to craft drugs, due to increased traffic.
But by placing the Refinery in another
PK camping spot empty city will make the players travel around the WM
and visit that deserted place where he can meet another
PK who kills him and take his stuff nice player to interact with.
How about The Stables? It's empty, it's canon and it's chemical related. Maybe the Myron can refine the chems for caps, like that ghoul in BH refines uranium ore.