The U.S. Army Pueblo Chemical Depot originally stored more than 2,600 tons of the blister agent mustard in projectiles and mortar rounds.
Chemical Weapons Destruction Technologies
MAIN PLANT
START DATE: SEPT. 7, 2016
STATUS: OPERATIONAL

Neutralization Followed by Biotreatment
The Assembled Chemical Weapons Alternatives program, the U.S. Army Pueblo Chemical Depot and the community worked together to select neutralization followed by biotreatment to destroy the chemical weapons stored at the depot.
EXPLOSIVE DESTRUCTION TECHNOLOGY
START DATE: MARCH 18, 2015
END DATE: DEC. 5, 2018

Explosive Destruction System
The Explosive Destruction System, or EDS, augmented the pilot plant to destroy a number of problematic munitions that could not be easily destroyed by the main plant’s automated equipment. During two campaigns from March 2015 to December 2018, the EDS eliminated 951 items resulting in 3.82 tons of mustard agent destroyed.
STATIC DETONATION CHAMBER
START DATE: FEB. 19, 2022
STATUS: OPERATIONAL

Static Detonation Chamber
Static Detonation Chamber units are part of the chemical weapons destruction progress at the Pueblo Chemical Agent-Destruction Pilot Plant. Three SDC units are augmenting the main plant by eliminating 4.2-inch mortar rounds and overpacked problematic munitions.
Upcoming Meetings
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Permitting Working Group, Biotreatment Utilization Group and Colorado Citizens’ Advisory Commission Meetings will be held on June 28, 2023, at 3 p.m. MDT.
Computer: Zoom
Phone: 1 (669) 444 9171 Meeting ID: 844 3279 1550#For information, please contact the Pueblo Chemical Stockpile Outreach Office at (719) 546‑0400, or pueblooutreach@iem.com
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Permitting Working Group, Biotreatment Utilization Group and Colorado Citizens’ Advisory Commission Meetings will be held on July 26, 2023, at 3 p.m. MDT.
Computer: Zoom
Phone: 1 (669) 444 9171 Meeting ID: 844 3279 1550#For information, please contact the Pueblo Chemical Stockpile Outreach Office at (719) 546‑0400, or pueblooutreach@iem.com
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Permitting Working Group, Biotreatment Utilization Group and Colorado Citizens’ Advisory Commission Meetings will be held on Sept. 27, 2023, at 3 p.m. MDT.
Computer: Zoom
Phone: 1 (669) 444 9171 Meeting ID: 844 3279 1550#For information, please contact the Pueblo Chemical Stockpile Outreach Office at (719) 546‑0400, or pueblooutreach@iem.com