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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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All Mustard Agent Projectiles Now Destroyed in Kentucky

Published: September 7, 2021 | Category: BGCAPP News, Program Milestones
All Mustard Agent Projectiles Now Destroyed in Kentucky

A munitions handler places a 155mm projectile containing mustard agent into a box to begin the destruction process in the Static Detonation Chamber at the Blue Grass Chemical Agent-Destruction Pilot Plant. The last mustard-agent projectile was processed Sept. 4 and the mustard destruction campaign is complete. (A portion of this photograph has been blurred in accordance with Department of Defense guidelines.)

The last 155mm projectiles containing mustard agent were destroyed in the Static Detonation Chamber at the Blue Grass Chemical Agent-Destruction Pilot Plant (BGCAPP) Sept. 4. This marks the third of five chemical weapons destruction campaigns completed at the Blue Grass Army Depot (BGAD).

“There is no doubt destroying the mustard projectiles in a Static Detonation Chamber was the right choice of technology to use,” said Dr. Candace Coyle, BGCAPP site project manager. “We knew the 1940s-era mustard agent would prove difficult to destroy due to its age and impurities.”

“The safety performance of our team was outstanding throughout the entire campaign,” said Ron Hink, Bechtel Parsons Blue Grass (BPBG) project manager. “Our team faced numerous challenges with the destruction of the mustard projectiles, but we were able to overcome those challenges and safely and successfully complete their destruction.”

A 2011 X-ray assessment of the chemical weapons stockpile in Kentucky confirmed the solidification of agent in a significant number of mustard projectiles, rendering them unsuitable for automated processing in the main plant, as originally planned. These problematic munitions required a different technological approach for their destruction. The BGCAPP team worked closely with oversight officials and community members to select the Static Detonation Chamber to destroy the mustard stockpile.

“This marks another milestone in the overall disposal effort, making three of the five campaigns successfully completed,” said Craig Williams, Chemical Destruction Community Advisory Board co-chair. “This achievement reflects what can be accomplished when the government, the contractors and the community work cooperatively towards a common objective. The workforce operating through the pandemic was a truly heroic effort.”

The destruction of 155mm projectiles containing mustard agent was the first campaign to begin in Kentucky on June 7, 2019. Since that time, workers safely processed more than 15,000 projectiles in the Static Detonation Chamber.

The chamber used a thermal destruction technology to destroy the weapons. Munitions were fed into the electrically heated chamber. The high heat (approximately 600 degrees Celsius or 1,100 degrees Fahrenheit) deflagrated or detonated the munitions, and the chemical agents and energetics were destroyed by thermal decomposition. Gases generated as a result of the deflagration were treated by an off-gas treatment system that included a thermal oxidizer, scrubbers and a carbon filter system. Scrap metal was decontaminated for recycling.

Throughout the campaign, the BGCAPP team worked closely with BGAD and Blue Grass Chemical Activity (BGCA) partners to destroy the chemical weapons.

“I greatly appreciate the professionalism and attention to detail consistently demonstrated by the BGCAPP and BGCA team,” said Col. Steve Dorris, BGAD commander. “Safe operations and remaining good stewards of the environment are paramount to successful mission accomplishment. The BGCAPP and BGCA team both value their depot and community partnerships in thought, word and deed.”

“The work being done by our partners at BGCAPP to destroy the nation’s remaining chemical weapons stockpile is exceptional,” said Lt. Col. Ed Williams, BGCA commander. “I am proud of the support that BGCA has provided to the mustard projectile campaign and the great work being accomplished. I extend my congratulations to the folks at BGCAPP for reaching another demilitarization milestone.”

The chemical weapons stockpile at the depot originally consisted of 523 tons of chemical agent configured in 155mm projectiles containing mustard and VX nerve agent, 8-inch projectiles containing GB nerve agent, and M55 rockets containing GB and VX nerve agent.

As of Aug. 27, more than 163 tons, or 31.2% of the original stockpile of chemical agent has been destroyed in Kentucky.

From January through May 2020, nearly 4,000 8-inch projectiles containing GB nerve agent were destroyed at BGCAPP. From January through May 2021, nearly 13,000 155mm projectiles containing VX nerve agent were destroyed at BGCAPP. The completion of the mustard campaign marks the destruction of all projectiles in Kentucky, leaving only rockets to destroy. Currently, M55 rockets containing VX nerve agent are being destroyed in the main plant. The main plant uses a neutralization technology to destroy the nerve agent portion of the stockpile.

The Program Executive Office, Assembled Chemical Weapons Alternatives is responsible for destruction of the remaining U.S. chemical weapons stockpile in Colorado and Kentucky. The organization oversees the contract for design, construction, systemization, operation and closure of BGCAPP with BPBG and subcontractors Amentum, Battelle Memorial Institute and GP Strategies.

The stockpile sites in Colorado and Kentucky account for the last 10% of what was originally a national stockpile of more than 30,000 tons of chemical weapons. The U.S. Army Chemical Materials Activity destroyed the initial 90%, which was stored at seven other sites across the U.S. and Johnston Atoll in the Pacific. Chemical weapons destruction in Colorado began in 2015. Both sites are on target to complete destruction of chemical weapons by 2023.

More BGCAPP News Articles

  • A skid of containerized, drained rocket warheads stands in the Static Detonation Chamber 2000 Enclosure Building to await destruction.

    Permit Modification Request to Increase Feed Rate Open to Public Comment

    Published: February 6, 2023
  • Operators move hoses to prepare for the transfer of hydrolysate into a truck tanker trailer at the Tanker Loading Station at the Blue Grass Chemical Agent-Destruction Pilot Plant.

    Blue Grass Plant Marks Secondary Waste Destruction Milestone

    Published: October 21, 2022
  • Blue Grass Chemical Agent-Destruction Pilot Plant crews inspect containerized drained rocket warheads before they are shipped to temporary storage.

    Public Comment Sought on Blue Grass Permit Modification

    Published: August 25, 2022
  • Workers install portions of the automated loading system for the Blue Grass Static Detonation Chamber (SDC) 2000 in the SDC 2000 Enclosure Building April 4. This equipment will take the place of human munitions handlers in loading containerized or overpacked munitions and components into the chamber for destruction.

    State Regulator Approves Two Blue Grass Permit Modifications

    Published: May 23, 2022
  • Workers remove used carbon filters from the Blue Grass Explosive Destruction Technology air filtration system for disposal as hazardous waste.

    Teamwork Key to Removing Used Carbon Filters

    Published: April 19, 2022
  • Workers pass a piece of plywood up the Static Detonation Chamber 1200 stairs in preparation for opening the roof to allow a new piece of equipment to be lowered into the building. The building passed decontamination verification testing in January, which means workers do not have to wear chemical protective gear as they prepare for the system’s next activity.

    Former Mustard Destruction Facility Passes Crucial Test

    Published: March 1, 2022
  • Workers drill holes for structural steel placement on the Static Detonation Chamber 1200 Off-gas Treatment System Building foundation at the Blue Grass Chemical Agent-Destruction Pilot Plant. A public comment period is open through March 16 for a permit modification request for this system.

    Comment Period Open for Public Input on Draft Environmental Permit

    Published: February 23, 2022
  • A worker guides a crane after its placement of the thermal oxidizer for the Static Detonation Chamber (SDC) 1200 unit at the Blue Grass Chemical Agent-Destruction Pilot Plant. The SDC 1200 requires a completely new off-gas treatment system in order to process drained, containerized VX nerve-agent warheads.

    New Pollution Abatement System Under Construction

    Published: August 30, 2021
  • A forklift operator is guided by spotters as he loads a crate of non-contaminated rocket motors onto a truck at the Blue Grass Chemical Agent-Destruction Pilot Plant July 20. The Kentucky Department for Environmental Protection has opened a public comment period for plant modification requests that include additional storage space for the motors.

    Public Comment Period Open for Hydrolysate Shipment, Rocket Motor Storage

    Published: July 29, 2021
  • A truck and tank trailer sit in the tanker loading station at the Blue Grass Chemical Agent-Destruction Pilot Plant.

    Project Managers to Discuss Hydrolysate Shipment at June 9 Public Meeting

    Published: June 3, 2021
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BGCAPP Environment

  • Permit Modification Request to Increase Feed Rate Open to Public Comment

    The public is invited to comment on a permit modification request to support the destruction of GB nerve agent rocket warheads at the Blue Grass Chemical Agent-Destruction Pilot Plant.

  • Blue Grass Plant Marks Secondary Waste Destruction Milestone

    The Blue Grass plant completed one year of hydrolysate shipments Oct. 7.

  • Public Comment Sought on Blue Grass Permit Modification

    The Kentucky Department for Environmental Protection, or KDEP, is reviewing a Class 2 permit modification request related to a GB nerve agent M55 rocket processing change at the Blue Grass plant.

  • State Regulator Approves Two Blue Grass Permit Modifications

    State officials approved two major hazardous waste permit modifications April 15 for the operation of the Blue Grass Static Detonation Chamber, or SDC, units.

  • Teamwork Key to Removing Used Carbon Filters

    A multi-disciplinary team safely removed used carbon filters from the air filtration system in the Blue Grass Explosive Destruction Technology facility.

  • Former Mustard Destruction Facility Passes Crucial Test

    The facility responsible for destroying all the mustard-agent projectiles at the Blue Grass plant passed a final air-monitoring test to allow workers to safely open the building to install equipment for the next activity.

  • Comment Period Open for Public Input on Draft Environmental Permit

    The Kentucky Department for Environmental Protection, or KDEP, has tentatively approved and released for public notice two modifications to the existing hazardous waste permit for the Blue Grass plant.

  • New Pollution Abatement System Under Construction

    Workers are assembling a new off-gas treatment system to allow the existing Explosive Destruction Technology to safely process drained and containerized VX nerve agent rocket warheads.

  • Public Comment Period Open for Hydrolysate Shipment, Rocket Motor Storage

    The Kentucky Department for Environmental Protection, or KDEP, has tentatively approved and released for public notice two permit modification requests related to hydrolysate disposal and rocket motor storage changes at the Blue Grass plant.

  • Project Managers to Discuss Hydrolysate Shipment at June 9 Public Meeting

    Blue Grass plant management will provide an update about hydrolysate shipment during an online public meeting June 9.

  • Blue Grass Partner Assists with Conservation Effort

    Environmental experts at the Blue Grass Army Depot are working with several conservation organizations to propagate the American chestnut tree.

  • Public Involvement Opportunities for Permit Modification Requests

    The Kentucky Department for Environmental Protection, or KDEP, has tentatively approved and released for public notice four major permit modification requests related to rocket processing changes at the Blue Grass plant.

  • Comment Period Open for Plant Permit Modification Requests

    Two permit modification requests submitted by the Blue Grass Army Depot in support of Blue Grass plant operations are open for public comment until Feb. 15.

  • First-Time Filter Change Activity

    Technicians changed the filters in the IONEX 16K charcoal filter unit for the Blue Grass Explosive Destruction Technology facility for the first time mid-December.

  • Comment Period Open for Plant Permit Modification

    The public comment period for a Blue Grass permit modification ends Nov. 10.

  • Workers Complete Filter Change

    Munitions handlers and a mechanic exchanged air filters for the building that temporarily stores the mustard munitions awaiting destruction in the Static Detonation Chamber Aug. 3.

  • Comment Period Open for Plant Permit Modifications

    Public comments on two Blue Grass permit modifications are due by Aug. 24.

  • Permit Conversion Public Comment Period Open Through Dec. 11

    Public comments on the conversion of the hazardous waste permit for the Blue Grass main plant are due by Dec. 11, 2019.

  • Minor Permit Modifications Routine Business for Plant

    Blue Grass plant staff distributed a list of minor permit modifications to project stakeholders July 31. The notices are distributed on a quarterly basis.

  • Signature Signals Path Forward for Additional Equipment

    The Blue Grass Army Depot commander signed an official document July 1 verifying no significant impact to the environment is anticipated from an action proposed to augment the Blue Grass plant’s processing capability.

  • Environmental Assessment Public Comment Period Open Through June 17

    Public comments on the environmental assessment for a proposed action to augment the Blue Grass plant’s processing of nerve agent munitions are due by June 17, 2019.

  • Organic Air Emissions Topic of Kentucky Public Meeting

    The Blue Grass plant submitted a permit modification request to the U.S. Environmental Protection Agency seeking a storage and treatment permit regarding organic air emissions for the facility.

  • Plant Enhancements Prompt Permitting Updates

    Testing of equipment and procedures at the Blue Grass plant has led to an array of enhancements and permitting updates discussed during a public meeting Sept. 13 in Richmond, Kentucky.

  • Blue Grass Plant Submits Request to Sample Munitions

    The Blue Grass plant submitted a permit modification request to the state environmental agency June 20 to sample 8-inch projectiles containing GB nerve agent.

  • Army Environmental Assessment Team Visits Blue Grass Plant

    Members of a U.S. Army assessment team visited Kentucky Jan. 25 to evaluate environmental compliance status at the Blue Grass Army Depot (BGAD).

  • Regulators Issue Draft Environmental Permits for Blue Grass Explosive Destruction Technology Facility

    The Kentucky Department for Environmental Protection and U.S. Environmental Protection Agency Region 4 issued three draft permits related to the Explosive Destruction Technology facility at the Blue Grass Chemical Agent-Destruction Pilot Plant Aug. 7.

  • Blue Grass Clean Air Act Permit Renewal Requested

    As part of standard procedure, the Blue Grass Chemical Agent-Destruction Pilot Plant requested a renewal of the plant’s Title V air permit from the Kentucky Division for Air Quality.

  • Blue Grass Plant Completes Baseline Groundwater Sampling

    Workers completed the last of four quarterly sampling activities in April to determine a baseline to protect the freshwater aquifer that flows underneath the Blue Grass Chemical Agent-Destruction Pilot Plant.

  • Perimeter Air Monitoring System Installed as Additional Safety Measure at Blue Grass Plant

    Workers completed installation of an air-monitoring system in March which places monitors between the Blue Grass Chemical Agent-Destruction Pilot Plant and the Blue Grass Army Depot installation boundary.

  • Kentucky Governor Signs Blue Grass Plant Waste Code Bill into Law

    Kentucky Gov. Matt Bevin signed into law a bill requesting a change to the way Blue Grass Chemical Agent-Destruction Pilot Plant (BGCAPP) process waste will be designated under the state’s waste codes April 6.

  • Biologist Maintains Native Grasslands Around Blue Grass Plant

    For more than 30 years, one Commonwealth of Kentucky employee has ensured prairie remnants – grasslands of native Kentucky species – flourish on the Blue Grass Army Depot.

  • Blue Grass Project Submits Permit Revision, Encourages Public Involvement

    The Blue Grass Chemical Agent-Destruction Pilot Plant submitted a request Nov. 12, 2015, to the Kentucky Department for Environmental Protection for a revision to the project’s Research, Development and Demonstration permit.

  • Blue Grass Team Requests Permit Changes for Treaty Sampling

    The Blue Grass Chemical Agent-Destruction Pilot Plant team requested a permit modification from Kentucky regulators Nov. 2 to sample and verify mustard agent as part of an international pledge to destroy chemical weapons.

  • Protecting Human Health and Environment is Top Priority

    Keeping Kentucky’s air, water and land clean is extremely important to Blue Grass plant personnel. To that end, the project partners with the Kentucky Department for Environmental Protection to ensure the project meets or exceeds all of the commonwealth’s environmental regulations.

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