45% of U.S. chemical, nerve weapons stockpile destroyed

• Deseret Chemical Depot, near Stockton, 8,480 tons of GB and VX nerve agent and mustard blister agent, from one-ton storage containers, land mines, M55 rockets, projectiles, spray tanks and mortars.

• Johnston Atoll, a pilot plant in the Pacific Ocean about 800 miles west of Hawaii, 705 tons of GB and VX nerve agent and mustard agent, from projectiles, land mines, mortars and ton containers. All of the toxic material there was destroyed and the plant is closed.

• The Army's Non-stockpile Chemical Materials Program, which destroys discovered material like recovered chemical warfare weapons regardless of where they turn up, 563 tons of nerve agent in "projectiles, vials, bottles, ampoules, ton containers, DOT bottles."

• Newport Chemical Depot, Ind., 308 tons of VX nerve agent, stored in ton containers.

• Pine Bluffs Arsenal, Ark., 484 tons of GB serve agent from rockets and ton containers.

• Pueblo Chemical Depot, Colo., none yet destroyed. "Destruction pilot plant under construction," notes the agency.

• Umatilla Chemical Depot, Ore., 994 of tons nerve agent in M55 rockets, bombs and projectiles.

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