Coolant Reservoir Facility
This area consists of halls and rooms with metal walls, somewhat resembling a maintenance area. It is restricted to Gordon Freeman, and is inaccessible before the incident. It is connected to a canal through a large lift. The canal leads to an elevator that takes the player to the Administrator Center in Sector D.
 Area 2 Administration Offices
As seen in the Security Shift Schedule given to Barney Calhoun, Sector B features an Area 2 Administration Offices. Two security guards started their Yellow (from 09:00 to 22:00) and Green (from 21:00 to 10:00) Shifts there on May 15, 200-.
 Sector B Line
 List of appearances
|Half-Life story arc journey||Succeeded by|