A chapter in Utah’s history as a dumping ground for nasty chemical weapons came to a close early Saturday morning.
At 4:29 a.m., workers at Deseret Chemical Depot finished incinerating the last of the 13,600 tons of chemical agent that had been stored in munitions for decades, Ted Ryba, the U.S. Army’s site manager said in an email.
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The last chemical agent destroyed was 5,000 pounds of lewisite, a blister agent. It went into a liquid incinerator on Tuesday and took several days to destroy. On Wednesday, the Tooele Chemical Agent Disposal Facility at the depot finished burning the last of the 155 millimeter projectiles that once held mustard agent.
The munitions had been stored above ground and in igloos at what previously was Tooele Army Depot South since World War II.
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