The action of the department in refusing, modifying, or revoking the prequalification of any contractor under RCW 47.60.680 through 47.60.740 is conclusive unless an appeal is filed with the Thurston county superior court within ten days after receiving written notice of the refusal, modification, or revocation. The appeal shall be heard summarily within twenty days after the appeal is taken and on five days notice thereof to the department. The court shall hear any such appeal on the administrative record that was before the department. The court may affirm the decision of the department, or it may reverse the decision if it determines the action of the department was arbitrary or capricious.
RCW 47.60.750