Walla Walla Regional Airport Upgrades with Boon Edam Security Entrance Walla Walla Regional Airport, in Washington State, has installed a Boon Edam revolving door to upgrade security and ensure tighter T ransportation Safety Administration (TSA) compliance. The original airport building was constructed in 2000. As built, there were two sliding doors that passengers entered through between the main terminal and the tarmac. “The sliding door arr

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