Army Has Destroyed Half Of Mustard Agent Stored In Colorado

PUEBLO, Colo. (AP) — The Army has destroyed about half of the 2,600 tons of mustard agent contained in decades-old shells stored at a southern Colorado chemical depot. Walton Levi, the site project manager of the Pueblo Chemical Depot, made the announcement Wednesday, calling the milestone a "tremendous achievement and one that I am very proud to announce and one we all can celebrate."

(credit: Bechtel.com)

The plant started operating in September 2016 and has eliminated more than 220,000 munitions.

The depot is eradicating 780,000 shells filled with thick liquid mustard agent — many of them dating to the Cold War — under an international treaty banning chemical weapons.

(credit: Pueblo Chemical Depot / Facebook)

Mustard agent, which was first used in World War I, can maim or kill, blistering skin, scarring eyes and inflaming airways.

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