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
END DATE: JUNE 16, 2023

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
END DATE: JUNE 22, 2023

Static Detonation Chamber
Static Detonation Chamber supported the chemical weapons destruction progress at the Pueblo Chemical Agent-Destruction Pilot Plant. Three SDC units augmented the main plant by eliminating some 4.2-inch mortar rounds and overpacked problematic munitions.
Upcoming Meetings
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The public is invited to a discussion regarding the Class 2 Permit Modification Request B073, Equipment Disassembly and Containerization, to the PCAPP Resource Conservation and Recovery Act Permit, No. CO-20-09-02-01, and a Temporary Authorization request for disassembly and waste containerization of other specific equipment on Wednesday, Jan. 10, 2024, at 2 p.m.
Computer: Zoom
Phone: 1 (719) 359-4580 Meeting ID: 837 6247 4206#For information, please contact Sandy Romero, Bechtel Communications Manager, (719) 549-5280 or by email at svromero@bechtel.com or the Pueblo Chemical Stockpile Outreach Office staff at (719) 549‑4959 or pueblooutreach@iem.com
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Permitting Working Group, Biotreatment Utilization Group and Colorado Chemical Demilitarization Citizens’ Advisory Commission Meetings will be held on Jan. 31, 2024, at 3 p.m. MT.
Computer: Zoom
Phone: 1 (669) 444 9171 Meeting ID: 844 3279 1550#For information, please contact the Pueblo Chemical Stockpile Outreach Office at (719) 549‑4959, or pueblooutreach@iem.com