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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
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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
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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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News

  • Michael Costas, general manager, Defense and Space, Bechtel National Inc., speaks during the End of the 105mm Projectile Destruction Campaign event, held in Pueblo, Colorado on July 27, 2022. Seated are Nick Gradisar, mayor of Pueblo; Craig Campbell, principal deputy, Office of the Deputy Assistant Secretary of Defense for Threat Reduction and Arms Control; Mallory Stewart, assistant secretary of state for the Bureau of Arms Control, Verification and Compliance; and Michael Abaie, program executive officer, Assembled Chemical Weapons Alternatives.
  • Mallory Stewart, Assistant Secretary of State for the Bureau of Arms Control, Verification and Compliance, speaks at the End of the 105mm Projectile Destruction Campaign event in Pueblo, Colorado on July 27, 2022.
  • Irene Kornelly, chair, Colorado Chemical Demilitarization Citizens' Advisory Commission, and John Norton, chair, Biotreatment Utilization Group, and CAC member, cut a cake commemorating the end of the 105mm projectile destruction campaign, which was observed during an event in Pueblo on July 27, 2022. Seated are Nick Gradisar, mayor of Pueblo; Craig Campbell, principal deputy, Office of the Deputy Assistant Secretary of Defense for Threat Reduction and Arms Control; Mallory Stewart, Mallory Stewart, Assistant Secretary of State for the Bureau of Arms Control, Verification and Compliance; Michael Abaie, program executive officer, Assembled Chemical Weapons Alternatives; and Michael Costas, general manager, Defense and Space, Bechtel National Inc.
  • The End of the 105mm Projectile Destruction Campaign event held in Pueblo, Colorado on July 27, 2022, was attended by nearly 200 community and workforce members. Pictured (L-R) are Sandy Romero, communications manager, Bechtel Pueblo Team; Nick Gradisar, mayor of Pueblo; Craig Campbell, principal deputy, Office of the Deputy Assistant Secretary of Defense for Threat Reduction and Arms Control; Mallory Stewart, Assistant Secretary of State for the Bureau of Arms Control, Verification and Compliance; Michael Abaie, program executive officer, Assembled Chemical Weapons Alternatives; and Michael Costas, general manager, Defense and Space, Bechtel National Inc.

Officials Recognize Chemical Weapons Destruction Milestone

By Jayson Peters | PCAPP News, Program Milestones, Public Involvement | Comments are Closed | 2 August, 2022 | 0

Community members joined government officials and project staff in Pueblo, Colorado July 27 to recognize completion of the 105mm projectile destruction campaign.

An event recognizing the 105mm projectile destruction campaign will be held on July 27 at the Sangre de Cristo Arts and Conference Center.

Public Invited to Event Recognizing End of Pueblo 105mm Projectile Destruction Campaign

By Jayson Peters | PCAPP News, Public Involvement | Comments are Closed | 26 July, 2022 | 0

The Program Executive Office, Assembled Chemical Weapons Alternatives (PEO ACWA) will hold a public event on Wednesday, July 27, at 9 a.m. MDT recognizing the end of the Pueblo plant’s 105mm projectile destruction campaign.

Members of the Pueblo Chemical Agent-Destruction Pilot Plant workforce recognize the end of the 105mm projectile destruction campaign on July 20, 2022.

Pueblo Plant Completes 105mm Projectile Destruction Campaign

By Jayson Peters | PCAPP News, Program Milestones | Comments are Closed | 22 July, 2022 | 0

The Pueblo Chemical Agent-Destruction Pilot Plant team completed the destruction of more than 383,000 mustard agent-filled 105mm projectiles on July 20.

  • U.S. Army Pueblo Chemical Depot toxic materials handlers recognize the delivery of final pallet of 105mm projectiles delivered to the Pueblo Chemical Agent-Destruction Pilot Plant July 5, 2022.
  • Pueblo Chemical Agent-Destruction Pilot Plant employees received the final pallet of 105mm projectiles July 5, 2022.
  • PCAPP munitions transporters Clint F. (on lift) and Felix G. stack the final 105mm projectile pallet in a Munitions Service Magazine where they awaited final destruction.

Pueblo Plant Receives Final 105mm Projectiles for Destruction

By Jayson Peters | PCAPP News, Program Milestones | Comments are Closed | 19 July, 2022 | 0

U.S. Army Pueblo Chemical Depot toxic materials handlers transported the final pallet of 105mm projectiles to the Pueblo Chemical Agent-Destruction Pilot Plant July 5.

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

By Jayson Peters | PCAPP News, Safety, Technology | Comments are Closed | 5 July, 2022 | 0

Program officials propose using upgraded equipment that could accelerate safe chemical weapons destruction at the Pueblo Chemical Agent-Destruction Pilot Plant.

  • Shawn S., Gas Chromatograph/Mass Spectrometer/Purge and Trap operator, Pueblo Chemical Agent-Destruction Pilot Plant, analyzes hydrolysate samples at the PCAPP laboratory.
  • A Cavity Access Machine awaits reconfiguration prior to the start of 105mm projectile destruction operations in 2020.
  • The Agent Processing Building at the Pueblo Chemical Agent-Destruction Pilot Plant.

In-Person Permit Modification Meetings Scheduled

By Jayson Peters | PCAPP News, Public Involvement | Comments are Closed | 26 May, 2022 | 0

Four upcoming Pueblo Chemical Agent-Destruction Pilot Plant public meetings will be held in person on June 1.

  • Todd Ailes, Bechtel Pueblo Team project manager, Walton Levi, site project manager, PCAPP, and Col. Jason A. Lacroix, commander, U.S. Army Pueblo Chemical Depot, deliver a chemical weapons destruction update to Pueblo City Council on May 9, 2022.
  • Pueblo City Council members listen to a chemical weapons destruction update from Col. Jason A. Lacroix, commander, U.S. Army Pueblo Chemical Depot, Walton Levi, site project manager, PCAPP, and Todd Ailes, Bechtel Pueblo Team project manager.
  • Pueblo City Council members listen to a chemical weapons destruction update on May 9, 2022.

Officials Update Council on Chemical Weapons Destruction

By Jayson Peters | PCAPP News, Public Involvement | Comments are Closed | 23 May, 2022 | 0

Pueblo Chemical Agent-Destruction Pilot Plant and U.S. Army Pueblo Chemical Depot officials delivered a chemical weapons destruction update to Pueblo City Council members in May.

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

By Jayson Peters | PCAPP News, Technology | Comments are Closed | 13 May, 2022 | 0

Static Detonation Chamber trial testing at the Pueblo Chemical Agent-Destruction Pilot Plant has ended, bringing the complex one step closer to full operations.

Colleen Brisnehan, the Colorado Department of Public Health and Environment hazardous waste program manager, is the newest appointed member of the Colorado Chemical Demilitarization Citizens' Advisory Commission.

Colorado Commission Welcomes New Member

By Jayson Peters | PCAPP News, People, Public Involvement | Comments are Closed | 4 May, 2022 | 0

Colorado Gov. Jared Polis has appointed a Colorado Department of Public Health and Environment regulator to the Colorado Chemical Demilitarization Citizens’ Advisory Commission, or CAC.

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

By Jayson Peters | PCAPP News, Safety, Technology | Comments are Closed | 28 March, 2022 | 0

Pueblo Chemical Agent-Destruction Pilot Plant chemical weapons destruction continued uninterrupted during a lengthy repair of the plant’s neutralization system components.

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