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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 Begins 105mm Projectile Destruction Campaign

Published: December 14, 2020 | Category: PCAPP News, Program Milestones
  • Pueblo Plant Begins 105mm Projectile Destruction Campaign

    Members of the Pueblo Chemical Agent-Destruction Pilot Plant workforce celebrate the start of the 105mm projectile destruction campaign, which began Dec. 11.

  • Pueblo Plant Begins 105mm Projectile Destruction Campaign

    Workers from the Pueblo Chemical Agent-Destruction Pilot Plant use a Munitions Handling Lift Assist to handle projectiles from a pallet of 105mm munitions as the plant’s 105mm munitions destruction campaign got underway Dec. 11.

  • Pueblo Plant Begins 105mm Projectile Destruction Campaign

    Workers from the Pueblo Chemical Agent-Destruction Pilot Plant use a Munitions Handling Lift Assist to handle projectiles from a pallet of 105mm munitions as the plant’s second munitions destruction campaign got underway Dec. 11.

The Pueblo Chemical Agent-Destruction Pilot Plant began its second campaign Dec. 11 with the destruction of the first 105mm projectiles of mustard agent stored at the U.S. Army Pueblo Chemical Depot.

“The start of the 105mm projectile destruction campaign is a tribute to the hard work and dedication of the men and women at PCAPP and PCD,” said Walton Levi, site project manager, PCAPP. “This workforce is committed to safely destroying the remaining U.S. chemical weapons stockpile in Colorado.”

The first destruction campaign undertaken at PCAPP – the eradication of nearly 300,000 155mm projectiles of mustard agent – concluded Sept. 5. According to Kim Jackson, plant manager, PCAPP, technicians began retrofitting automated processing equipment to destroy the smaller 105mm munitions immediately after the 155mm campaign completed.

“We officially started changeover about three hours before the final 155mm round came out,” said Jackson. “We immediately stepped into changeover, and it went very well.”

As with the 155mm campaign, neutralization followed by biotreatment will be used to destroy the mustard agent in the 105mm projectiles. Mustard agent molecules are neutralized with hot water and a caustic solution, resulting in hydrolysate, a common industrial chemical that is readily biodegradable. Hydrolysate is then broken down into salts, water and organics using living microbes.

The U.S. is destroying its remaining chemical weapons stockpile – mustard agent in Colorado and mustard and nerve agent in Kentucky – under the Chemical Weapons Convention.

“The U.S. continues to honor our commitment to the Chemical Weapons Convention as we begin safely destroying the last 105mm projectiles in the remaining U.S. chemical weapons stockpile,” said Mr. Michael Abaie, program executive officer, Assembled Chemical Weapons Alternatives.

Related Posts

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