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Program Executive Office, Assembled Chemical Weapons Alternatives (PEO ACWA)Program Executive Office, Assembled Chemical Weapons Alternatives (PEO ACWA)Program Executive Office, Assembled Chemical Weapons Alternatives (PEO ACWA)Program Executive Office, Assembled Chemical Weapons Alternatives (PEO ACWA)
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      Program Executive Office, Assembled Chemical Weapons Alternatives (PEO ACWA)


      Mission: The safe elimination of chemical weapons at Pueblo and Blue Grass by Sept. 30, 2023

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      Blue Grass Chemical Agent-Destruction Pilot Plant (BGCAPP)

      BGCAPP is safely destroying the chemical weapons stockpile currently in storage at the Blue Grass Army Depot near Richmond, Kentucky.

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      Pueblo Chemical Agent-Destruction Pilot Plant (PCAPP)

      PCAPP is safely destroying the chemical weapons stockpile currently in storage at the U.S. Army Pueblo Chemical Depot in Colorado.

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Pueblo Plant Reducing Waste Levels With Shipments

Published: April 8, 2020 | Category: PCAPP News, Technology
Three 30-day hydrolysate storage tanks at the Pueblo Chemical Agent-Destruction Pilot Plant contain caustic wastewater that is the product of chemical neutralization of mustard agent. Hydrolysate will be shipped off site to meet Centers for Disease Control and Prevention recommendations during the COVID-19 pandemic.

Three 30-day hydrolysate storage tanks at the Pueblo Chemical Agent-Destruction Pilot Plant contain caustic wastewater that is the product of chemical neutralization of mustard agent. Hydrolysate will be shipped off site to meet Centers for Disease Control and Prevention recommendations during the COVID-19 pandemic.

The Pueblo Chemical Agent-Destruction Pilot Plant is reducing its storage levels in line with Centers for Disease Control and Prevention recommendations during the COVID-19 pandemic.

“Many of the wastes we are preparing for shipment are items that we normally ship to permitted, off-site disposal facilities, and some are non-routine, such as hydrolysate, the wastewater product from the neutralization process,” said Walton Levi, site project manager, PCAPP, in a message to stakeholders. “Reducing the level of liquid wastes currently in storage will help ensure environmental protection and aid in restarting the facility if a cessation occurs.”

In addition to reducing liquid waste levels in storage tanks, Levi said the plant is taking more CDC-recommended steps to further minimize risk to the workforce and local communities. These include securing munitions now being temporarily stored in the plant that are unsuitable for processing, reducing wastes, controlling the inventory of munitions and containing solid wastes, such as non-functional contaminated equipment, for long-term storage.

The CDC recommended that PCAPP continue eliminating mustard agent.

“Our plant is continuing to process munitions under the same rigorous safety protocols while we examine ways in which we might continue to operate in a safe manner in this constantly changing environment,” Levi said. “We have learned from historical experience that an operating plant with an engaged workforce performs at a significantly higher level than when the plant is idle and the workforce is in a static observation mode.”

PCAPP Technology Articles

  • The Improved Cavity Access Machine was proposed to safely destroy 4.2-inch mortar rounds in the Pueblo Chemical Agent-Destruction Pilot Plant automated process. Based on existing Cavity Access Machine technology, the ICAM uses a vacuum-powered probe to remove agent.

    Improved Equipment Could Accelerate Destruction at Pueblo Plant

    Published: July 5, 2022
  • Agent-filled 4.2-inch mortar rounds are monitored during Static Detonation Chamber agent trial testing operations at the Pueblo Chemical Agent-Destruction Pilot Plant.

    Static Detonation Chamber Trial Testing Concludes

    Published: May 13, 2022
  • After a chemical weapon is drained of agent and rinsed with high-pressure hot water, Agent Washwater Separator tanks collect fluid before sending it to Agent Neutralization Reactors to destroy the mustard agent. The Pueblo Chemical Agent-Destruction Pilot Plant has two tanks, providing the plant with redundancy when neutralizing agent.

    Backup Systems Allow for Safe Repairs

    Published: March 28, 2022
  • All chemical weapons from the Colorado stockpile are sorted into four color-coded lots to reduce delays in destruction due to problematic munitions.

    Color Coding Boosts Chemical Weapon Destruction

    Published: March 23, 2022
  • A Pueblo Chemical Agent-Destruction Pilot Plant ordnance technician holds the first 4.2-inch mortar round to be processed in the Static Detonation Chamber complex.

    First Agent Destroyed in Static Detonation Chamber

    Published: February 22, 2022
  • Static Detonation Chamber ordnance technicians Rachelle S. and Mike W. remove a 57mm conventional ammunition round from its fiber tube during SDC non-agent Trial Burn Testing.

    Conventional Explosives Demonstrate Static Detonation Chamber Capability

    Published: February 15, 2022
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Recent PCAPP Articles

  • Improved Equipment Could Accelerate Destruction at Pueblo Plant

    Improved Equipment Could Accelerate Destruction at Pueblo Plant

    July 5, 2022
  • Colorado Commission Welcomes New Member

    Colorado Commission Welcomes New Member

    May 4, 2022
  • Backup Systems Allow for Safe Repairs

    Backup Systems Allow for Safe Repairs

    March 28, 2022
  • Plant Closely Monitors Permit Requirements

    Plant Closely Monitors Permit Requirements

    February 24, 2022
  • New Bechtel Pueblo Team Manager Takes Helm

    New Bechtel Pueblo Team Manager Takes Helm

    November 18, 2021
  • Redevelopment CEO Appointed to Colorado Advisory Commission

    Redevelopment CEO Appointed to Colorado Advisory Commission

    October 28, 2021

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Program Executive Office, Assembled Chemical Weapons Alternatives (PEO ACWA)