Patent ID: 8800243

Claim:
A method of modifying a modular work station comprising: removing at least one lower panel element from one of a plurality of modular wall sections; removing an air collection unit from one of a plurality of modular walls, each of said modular walls comprising a plurality of modular wall sections; installing said air collection unit where said at least one lower panel element was removed, said air collection unit configured to match the profile of said at least one lower panel element such that said air collection unit could be installed in any of said plurality of modular wall sections in place of said lower panel elements; and installing said lower panel elements where said air collection unit was removed, adjusting a modular wall section height of said plurality of modular wall section by way of adjustable height upper wall sections movable relative to said lower panel elements; installing a ceiling assembly by securing lateral support members in a support ledge formed within a unitary hood mounted to said adjustable height upper wall sections.