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U.S. Chemical Weapons

Stockpile Destruction Progress

Agent Tonnage Destroyed

As of July 7, 2023

PUEBLO CHEMICAL AGENT-DESTRUCTION PILOT PLANT (PCAPP)

0.0%
2,613.2 U.S. tons destroyed from 2,613.2 U.S. tons of agent

BLUE GRASS CHEMICAL AGENT-DESTRUCTION PILOT PLANT (BGCAPP)

0.0%
523.4 U.S. tons destroyed from 523.4 U.S. tons of agent

Agent Tonnage Destroyed

As of Feb. 24, 2022

PUEBLO CHEMICAL AGENT-DESTRUCTION PILOT PLANT (PCAPP)

0.97%
2,455.7 U.S. tons destroyed from 2,613.2 U.S. tons of agent

BLUE GRASS CHEMICAL AGENT-DESTRUCTION PILOT PLANT (PCAPP)

0.24%
393.8 U.S. tons destroyed from 523.4 U.S. tons of agent

Agent Tonnage Destroyed

As of May 7, 2022

PUEBLO CHEMICAL AGENT-DESTRUCTION PILOT PLANT (PCAPP)

0.62%
2,263.5 U.S. tons destroyed from 2,613.2 U.S. tons of agent

BLUE GRASS CHEMICAL AGENT-DESTRUCTION PILOT PLANT (PCAPP)

0.15%
246.7 U.S. tons destroyed from 523.4 U.S. tons of agent
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U.S. Chemical Weapons

Destruction Progress:

Agent Tonnage Destroyed

As of July 7, 2023

PUEBLO CHEMICAL AGENT-DESTRUCTION PILOT PLANT (PCAPP)

0.0%
2,613.2 U.S. tons destroyed from 2,613.2 U.S. tons of agent

BLUE GRASS CHEMICAL AGENT-DESTRUCTION PILOT PLANT (BGCAPP)

0.0%
523.4 U.S. tons destroyed from 523.4 U.S. tons of agent
PCAPP logo

Munitions Destroyed at the Pueblo Chemical Agent-Destruction Pilot Plant in Colorado

As of June 22, 2023

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MUSTARD 155MM PROJECTILES DESTROYED

100%
CAMPAIGN COMPLETE
155mm projectile
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MUSTARD 105MM PROJECTILES DESTROYED

100%
CAMPAIGN COMPLETE
105mm projectile
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MUSTARD 4.2-INCH MORTAR ROUNDS DESTROYED

100%
UNDERWAY
0
CAMPAIGN COMPLETE
4.2-inch mortar round
BGCAPP logo

Munitions Destroyed at the Blue Grass Chemical Agent-Destruction Pilot Plant in Kentucky

As of July 7, 2023

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MUSTARD 155MM PROJECTILES DESTROYED

100%
CAMPAIGN COMPLETE
155mm projectile
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GB NERVE AGENT 8-INCH PROJECTILES DESTROYED

100%
CAMPAIGN COMPLETE
8-inch projectile
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VX NERVE AGENT 155MM PROJECTILES DESTROYED

100%
CAMPAIGN COMPLETE
155mm projectile
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VX NERVE AGENT M55 ROCKETS DESTROYED

100%
CAMPAIGN COMPLETE
M55 rocket
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GB NERVE AGENT M55 ROCKETS DESTROYED

100%
Campaign Complete
M55 rocket
U.S. ACWA map chemical weapons destruction pilot plants

In Colorado, the Pueblo Chemical Agent-Destruction Pilot Plant, or PCAPP, destroyed the stockpile using neutralization followed by biotreatment. In Kentucky, the Blue Grass Chemical Agent-Destruction Pilot Plant, or BGCAPP, destroyed the stockpile using neutralization. Both pilot plants were augmented by Static Detonation Chamber units to eliminate difficult-to-process rounds.

The U.S. is fully committed to achieving 100% destruction of its chemical weapons stockpile as soon as practicable, while protecting the workforce, public and environment.

The mission of the Program Executive Office, Assembled Chemical Weapons Alternatives, or PEO ACWA, is the safe destruction of the U.S. chemical weapons stockpile at the U.S. Army Pueblo Chemical Depot in Colorado and the Blue Grass Army Depot in Kentucky. The last munition in the Colorado stockpile was destroyed June 2023; meanwhile, the last munition in the Kentucky stockpile was destroyed July 7, 2023.

In 2012, the U.S. Army Chemical Materials Agency, now known as the U.S. Army Chemical Materials Activity, completed destruction of nearly 90% of the original U.S. chemical weapons stockpile. PEO ACWA was responsible for the destruction of the remaining 10% of the stockpile, in accordance with the Chemical Weapons Convention.

PEO ACWA U.S. chemical weapons stockpile
Slide 1

“This is such an interesting job. There is something different every day.”

ROBERTA G.
BGCAPP residue operator
Slide 2

“I am motivated to make sure that the people are taken care of.”

SHERRI C.
BGCAPP human resources generalist
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