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Biological Waste Processing Plant

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The Biological Waste Processing Plant is a Black Mesa Research Facility area covering the Half-Life chapter Residue Processing.


HL BMRF ResidueProcessing

Hazardous waste tanks inside the plant.

  • 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 scenesEdit

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 appearancesEdit


Preceded by
Sector E Materials Transport
Half-Life story arc journey Succeeded by
Advanced Biological Research Lab

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