Storage containers used for liquid bulk pesticide shall be equipped with a conservation vent which opens and closes within the designed pressure limits of the container.
Wash. Admin. Code § 16-229-160
Statutory Authority: RCW 15.54.800 and 15.58.040. 93-22-093 (Order 5018), § 16-229-160, filed 11/2/93, effective 3/1/94.