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- The area disposes of and processes Black Mesa's waste (both organic and hazardous materials) through large tanks and an endless conveyor belt network. The area is mostly populated with Headcrabs, Barnacles, and a few Bullsquids. It is connected to the Advanced Biological Research Lab's ground floor and is apparently located not far from Sector E Materials Transport.
- It is first mentioned by the Black Mesa Announcement System in Sector D in a message asking for an "emergency clean-up team." This probably refers to a chemical or toxic spill, though the plant seems to be in proper working order when visited in-game.
- Upon reaching the area during the Half-Life chapter Residue Processing, Gordon Freeman escapes certain death from a garbage compactor located near the processing plant, and reaches it from the outside. He then must work his way through a network of waste processing machines in order to progress further towards the Lambda Complex.
Behind the scenes
The name of that area is given in one of the numerous Black Mesa Announcement System announcements not heard in-game, and found in the file "sentences.txt" located in the Half-Life sound folder. There, the name is found near the map name prefix "C2A4," which concerns its maps and that of the Advanced Biological Research Lab, whose name is also given there.
List of appearances
- Half-Life (First appearance)
Sector E Materials Transport
|Half-Life story arc journey||Succeeded by|
Advanced Biological Research Lab