More than 2,000 tons of mustard agent has been destroyed at the Pueblo Chemical Agent-Destruction Pilot Plant as of Aug. 13.

“It’s hard to believe that we only have about 600 tons of agent left to destroy,” said Ken Harrawood, project manager, Bechtel Pueblo Team. “We were able to accomplish this milestone due to the ingenuity and resourcefulness of the workforce.”

The original U.S. chemical weapons stockpile stored in Colorado comprised of more than 2,600 tons of mustard agent contained inside approximately 780,000 munitions. The majority of agent was contained in more than 300,000 155mm projectiles, accounting for roughly 1,800 total tons of agent. The 155mm destruction campaign concluded in September 2020.

The 105mm projectile campaign is currently underway at PCAPP. As of July 31, approximately 40% of the 105mm projectiles have been destroyed.

“Our workforce continues to process munitions safely and efficiently. Every single worker at PCAPP has played a pivotal role in reaching this milestone, but there’s plenty of work still left to do,” Harrawood said.