Wash. Rev. Code § 89.08.050
The commission may employ an administrative officer, and such technical experts and such other agents and employees, permanent and temporary as it may require, and shall determine their qualifications, duties, and compensation. The commission may call upon the attorney general for such legal services as it may require.
It shall have authority to delegate to its chair, to one or more of its members, to one or more agents or employees such duties and powers as it deems proper. As long as the commission and the office of financial management under the provisions of chapter 43.82 RCW deems it appropriate and financially justifiable to do so, the commission shall be supplied with suitable office accommodations at the central office of the department of ecology, and shall be furnished the necessary supplies and equipment.
The commission shall organize annually and select a chair from among its members, who shall serve for one year from the date of the chair's selection. A majority of the commission shall constitute a quorum and all actions of the commission shall be by a majority vote of the members present and voting at a meeting at which a quorum is present.
RCW 89.08.050