Washington Revised Code Title 15. Agriculture and Marketing § 15.49.330. Screenings--Removal required--Disposition

(1) All screenings, removed in the cleaning or conditioning of seeds, which contain prohibited or restricted noxious weed seeds shall be removed from the seed conditioning plant only under conditions that will prevent weed seeds from being dispersed into the environment.

(2) The director may by regulation adopt requirements for moving, conditioning, and/or disposing of screenings.