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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 Resumes Chemical Weapons Destruction

Published: June 8, 2020 | Category: Environnment, PCAPP News, Technology
The Pueblo Chemical Agent-Destruction Pilot Plant has resumed destruction operations after pausing its elimination of mustard agent.

The Pueblo Chemical Agent-Destruction Pilot Plant has resumed destruction operations after pausing its elimination of mustard agent.

The Pueblo Chemical Agent-Destruction Pilot Plant resumed destruction operations June 4 after pausing its elimination of mustard agent.

“We had to halt processing after it was discovered the B05 system and some of the piping from the Spent Decontamination System tanks to the Agent Neutralization Reactors showed evidence of previous pinhole leaks,” said Kim Jackson, plant manager, PCAPP.

Due to the piping issue, operations in the plant’s Agent Processing Building paused April 27-May 8 then restarted May 8-12 before stopping again.

The Colorado Department of Public Health and Environment issued a temporary authorization for the use of chemical hoses to bypass the leaking pipes, in order to transfer solution from the Spent Decontamination System tanks to the Agent Neutralization Reactors for disposal. A third-party engineer reviewed the temporary configuration that was accepted by the state, allowing agent destruction in the Agent Processing Building to resume. A long-term, permanent piping repair/replacement strategy is being developed; that design will be sent to the state for approval and is anticipated to be implemented at the end of the 155mm projectile campaign this year.

Brian Ramdwar, deputy plant manager, PCAPP, said that in addition to the temporary chemical hose configuration installation bypassing the pinhole leak section of piping, a thorough inspection of the Spent Decontamination System piping upstream of the system’s tanks was conducted. That ensures the remainder of the piping delivering spent decon solution to the tanks was not showing any previous leaks.

“Although no leaks, or evidence of previous leaks, have been observed on this feed piping to the (Spent Decontamination System) tanks, out of an abundance of caution, we felt it was prudent as well as CDPHE requesting the inspection,” he said.

PCAPP Technology Articles

  • 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
  • Munitions transporters unload inert 4.2-inch mortar rounds from the back of a Modified Ammunition Vehicle during Integrated Operations Demonstrations. (Portions of this photograph have been blurred in accordance with Department of Defense guidelines)

    Pueblo Static Detonation Chamber Team Demonstrates Operations

    Published: February 2, 2022
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Recent PCAPP Articles

  • Colorado Commission Welcomes New Member

    Colorado Commission Welcomes New Member

    May 4, 2022
  • Backup Systems Allow for Safe Repairs

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    March 28, 2022
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    February 24, 2022
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    November 18, 2021
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    October 28, 2021
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    Mentorship Critical to Pueblo Plant Maintenance

    August 30, 2021

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