In connection with the investigation and report provided for in this chapter, the director of ecology is authorized and directed to make written request upon any state officer, institution or department for information, opinion or advice relative to any features of such investigation pertinent to the work of such officer or department. Upon receipt of such written request from said director, such officer or department shall, without delay, make such investigation as may be necessary and shall then furnish the said director with a report in writing giving the information, opinion or advice required by said director.
RCW 87.25.020