Umatilla Chemical Weapons Depot http://nwpr.org en Umatilla Chemical Depot Employees, Nearby Communities, Celebrate Its End http://nwpr.org/post/umatilla-chemical-depot-employees-nearby-communities-celebrate-its-end <p>RICHLAND, Wash. &ndash; There&rsquo;s one less chemical weapons cache in the world today. The U.S. Army has certified to the international panel in The Hague that the Umatilla Chemical Weapons Depot is free of all chemical agents in compliance with international treaties. An end-of-operations celebration is planned for March 15. Correspondent Anna King reports. Sat, 10 Mar 2012 00:25:53 +0000 Anna King 4613 at http://nwpr.org Umatilla Chemical Depot Employees, Nearby Communities, Celebrate Its End