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Pueblo Chemical Agent-Destruction Pilot Plant

The Pueblo Chemical Agent-Destruction Pilot Plant (PCAPP) is a chemical weapons destruction facility that has been built to destroy the chemical weapons stockpile at the Pueblo Chemical Depot, in southeastern Colorado. The depot contains munitions that are part of the U.S. national chemical weapons stockpile. Before chemical weapons disposal began at PCAPP, these munitions contained 2,613 U.S. tons of mustard agent. The weapons have been stored at the 23,000-acre (93 km2) depot since the 1950s.


  • General 

  • Planning of activities 

  • History of chemical demilitarization in Colorado 

  • Technology