Closure - Program Executive Office Assembled Chemical Weapons Alternatives

Waste management workers move carbon filters into containers in the Agent Filtration Area of the Pueblo Chemical Agent-Destruction Pilot Plant without masks, which previously were required due to the potential for agent exposure. While certain tasks may still require a mask, masking zone designations have been eliminated for buildings at the site due to extensive decontamination and cleaning.

Masking Zones Eliminated at Pueblo Plant

Masking zone requirements at the Pueblo plant were reduced over time and ultimately eliminated in June.

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A Pueblo Chemical Agent-Destruction Pilot Plant worker attaches a hose to Agent Processing Building (APB) and Enhanced Reconfiguration Building ventilation ducts during the successful APB Unventilated Monitoring Testing to collect data on contamination levels. The data will be included in the Demolition Readiness Report required by state regulators before the building can be demolished.

Regulators Approve Pueblo Demolition Plan, Support Facility Disassembly

The Colorado Department of Public Health and Environment recently approved two documents integral to the continued closure of the Pueblo plant.

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The largest items being shrink-wrapped are the three Detonation Chamber skids, which weigh approximately 64,000 pounds each, one of which sits at right.

Pueblo Team Wraps Up Reusable Equipment During Closure

Pueblo plant workers are wrapping nearly 50 large Static Detonation Chamber components in material specifically designed to protect equipment in extreme conditions as part of disassembly and transport of the units to other Department of Defense organizations for reuse.

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Workers remove containerized air filters and carbon beds in preparation for upcoming decontamination and unventilated monitoring testing in the Agent Filtration Area at the Pueblo Chemical Agent-Destruction Pilot Plant April 15.

Pueblo Plant Team Begins Removal of Air-Filtration Media

Workers started removing portions of the air-filtration system in April that captured chemical-agent and other organic vapors from air circulating within the munitions processing buildings at the Pueblo plant.

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Workers remove the outer covering of the Static Detonation Chamber (SDC) Unit 1 structure at the Pueblo Chemical Agent-Destruction Pilot Plant May 7. Approval of the SDC Unit 1 Reuse Readiness Report by the Colorado Department of Public Health and Environment May 9 began the process for the plant to fully disassemble and transport the three units to other Department of Defense organizations for reuse.

Regulators Affirm First Reuse Readiness Report at Pueblo Plant

State regulators approved a report May 9 that sets the course for transfer of the devices that augmented the Pueblo plant’s destruction of the chemical weapons stockpile in Colorado.

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Two students and the lab science director at Pueblo Community College share gratitude for the recent freezer donated by PCAPP to the biological and physical sciences department. The dispositioning of items is one of five major activities in the closure phase that also include decontamination, decommissioning, demolition and administrative closeout.

Pueblo Plant Donates Laboratory Equipment to Educational Institutions

Laboratory freezers purchased by the Pueblo plant during the COVID-19 pandemic to store employee vaccinations have found new homes in the science departments of local higher education institutions.

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Pueblo Plant Begins Reduction of Agent Monitoring System

The March 5 approval of a permit modification by Colorado regulators enables Pueblo plant workers to start ending the plant’s chemical-agent monitoring process, which began nearly a decade ago.

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Pueblo Plant Workforce Reduction Reaches Key Point

For the first time since 2014, the Pueblo plant workforce has fallen below 1,000 members, as demolition approaches during the closure phase and employees start their next professional and personal chapters.

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District representatives, left, and the Pueblo Chemical Agent-Destruction Pilot Plant site project manager stand with pallets of computer monitors that await delivery to schools in Pueblo County’s District 70 following donation of the equipment as part of plant closure activities.

Pueblo Plant Donates Computer Equipment to School District

More than 100 computer monitors will be distributed to Pueblo area schools following a recent donation by plant personnel.

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Elevated-Work Safety Procedures Crucial to Closure at Pueblo Plant

With preparation to disassemble and remove a 475-foot piece of piping atop the Agent Processing Building currently underway, Pueblo plant workers continue their essential focus on safety while working at heights.

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PROGRAM EXECUTIVE OFFICE
ASSEMBLED CHEMICAL WEAPONS ALTERNATIVES